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WO2014069971A1 - Appareil de renfort pour mur en maçonnerie à précontrainte par prétension utilisant des câbles en acier, et procédé de renfort pour mur en maçonnerie utilisant ledit appareil - Google Patents

Appareil de renfort pour mur en maçonnerie à précontrainte par prétension utilisant des câbles en acier, et procédé de renfort pour mur en maçonnerie utilisant ledit appareil Download PDF

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Publication number
WO2014069971A1
WO2014069971A1 PCT/KR2013/009966 KR2013009966W WO2014069971A1 WO 2014069971 A1 WO2014069971 A1 WO 2014069971A1 KR 2013009966 W KR2013009966 W KR 2013009966W WO 2014069971 A1 WO2014069971 A1 WO 2014069971A1
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WO
WIPO (PCT)
Prior art keywords
steel wire
reinforcing steel
coupling
masonry wall
masonry
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2013/009966
Other languages
English (en)
Korean (ko)
Inventor
최재혁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chosun University Industry Academic Cooperation Foundation
Original Assignee
Chosun University Industry Academic Cooperation Foundation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020120124440A external-priority patent/KR101383814B1/ko
Priority claimed from KR1020120124450A external-priority patent/KR101390990B1/ko
Application filed by Chosun University Industry Academic Cooperation Foundation filed Critical Chosun University Industry Academic Cooperation Foundation
Priority to CN201380066272.5A priority Critical patent/CN104884717B/zh
Publication of WO2014069971A1 publication Critical patent/WO2014069971A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/562—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with fillings between the load-bearing elongated members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
    • E04H9/0237—Structural braces with damping devices
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
    • E04B2001/3583—Extraordinary methods of construction, e.g. lift-slab, jack-block using permanent tensioning means, e.g. cables or rods, to assemble or rigidify structures (not pre- or poststressing concrete), e.g. by tying them around the structure

Definitions

  • the present invention relates to a pretensioned masonry wall reinforcement device using a steel wire and a masonry wall reinforcement method using the same, and more specifically, to reinforce the strength and ductility of a masonry wall using a pretension using steel wires fixed to beams and columns.
  • the present invention relates to a pretensioned masonry reinforcement device using a steel wire and a masonry reinforcement method using the same.
  • a method of constructing a wall by using a brick or a similar block which is not a reinforced concrete structure, forms a wall by vertically or horizontally stacking a plurality of bricks or blocks on a concrete floor surface or foundation that is basically constructed.
  • such a masonry wall can be easily cracked or severely collapsed when a horizontal vibration and a vertical vibration are applied to the wall by an earthquake, and a bending moment is applied, thereby causing a risk of human accident.
  • reinforcement blocks are used to reinforce the masonry walls against external forces such as earthquakes, but reinforcement blocks are technologies that can be applied only when constructing new buildings, and the construction is complicated and the air is slow. As it is impossible to reinforce, the resistance to lateral load such as earthquake is weak. In addition, reinforcement construction using rebar is almost impossible in the case of brick masonry.
  • Such reinforcement of the masonry wall improved the seismic performance of the masonry wall by dismantling the existing masonry wall and installing the steel bracing.
  • the construction period is long by various processes and it is uneconomical after installation. There was a problem of being non-eco-friendly.
  • the method of attaching steel plate, carbon fiber and FRP (fiber-reinforced polymer) to the masonry wall using epoxy resin which is one of the conventional reinforcement methods of the masonry wall, is a surface treatment process for the masonry wall to generate dust and dust. Because of this, there is a risk of environmental pollution. Moreover, the wall cannot be completely wrapped due to the obstruction of pillars and beams around the wall, so the reinforcing effect is very low. Especially, carbon fiber and FRP (fiber-reinforced polymer) are used for epoxy resin on the masonry wall. The attaching method incurs a lot of additional costs for maintenance such as peeling of carbon fiber and FRP after construction.
  • the present invention has been made to solve the above problems, and provides a pre-tensioned masonry reinforcement device using a steel wire that can reinforce the masonry wall against external forces such as earthquakes by applying a pretension using a steel wire and a masonry wall reinforcement method using the same. Its purpose is to.
  • Another object of the present invention is to pre-tension masonry reinforcement device for use of steel wire to increase the ease and accuracy of construction by allowing the operator to easily recognize when the appropriate level of tension force is applied to tension the steel wire to apply the pre-tension and It is to provide a masonry reinforcement method using the same.
  • Steel wire use pretension masonry reinforcement device for achieving the above object is to reinforce the masonry wall installed between the column and the beam, the angle member fixed to the column and the beam, both ends adjacent to each other
  • a pretensioned steel wire unit is fastened to two angle members installed on the beam and the pillar, and includes a reinforcing steel wire installed to apply a predetermined tensile force, wherein the pretension steel wire unit is inclined at a predetermined angle with respect to the beam and the pole. Is installed to extend in the direction.
  • the angle member is a 'b' shaped member extending in the longitudinal direction of the beam or pillar, the coupling portion fixed to the beam or pillar, and formed to extend along the masonry wall from the end of the coupling portion the reinforcing steel wire Is provided with a steel wire connecting portion connected to the coupling portion is formed to extend a predetermined length in the direction orthogonal to the longitudinal direction of the beam or column and to be spaced apart from each other along the longitudinal direction is inserted into the anchor bolt is inserted into the beam or pillar A plurality of anchor coupling holes are formed, and the steel wire connecting portion is preferably provided with a ring member to which the reinforcing steel wire is applied.
  • the reinforcing steel wire includes a first reinforcing steel wire and a second reinforcing steel wire connected to one side and the other angle member, respectively, and the pretensioned steel wire unit is elastically connected to each other to apply tensile force to the first and second reinforcing steel wires. It is preferable to have a support.
  • the resilient support part includes a connecting body connected to the first reinforcing steel wire, and a fastening bolt screwed to the inlet and withdrawable to the connecting body and connected to the second reinforcing steel wire, wherein the connecting body includes the first, A first connecting member extending in a direction in which the second reinforcing steel wire extends, a second connecting member extending downward from one end of the first connecting member and connected to the first reinforcing steel wire, and the first connecting member A third connecting member extending downward from the other end and having a screw hole for screwing the fastening bolt, and a fourth connecting member extending from the second connecting member toward the third connecting member and having a locking jaw formed at an end thereof; And extending from the third connecting member toward the second connecting member and being superimposed on the upper or lower portion of the fourth connecting member.
  • a fifth connecting member having a supporting protrusion formed to be caught by the locking jaw, wherein the fastening bolt is connected to the fourth connecting member so that a tensile force is applied to the first and second reinforcing steel wires.
  • an insertion groove is formed at a position where the support protrusion can be inserted when the tensile force applied to the first and second reinforcing steel wires reaches a predetermined size.
  • the elastic support portion and the first body is connected to the first reinforcing steel wire, the second body is connected to the first body and the screw hole is formed so that the fastening bolt connected to the second reinforcing steel wire can be screwed; And an intermediate member interconnecting the first and second bodies, wherein the first body includes: a first base member; a first locking member extending from an upper end of the first base member toward a second reinforcing steel wire; And a first stopper member extending from the lower end of the first base member toward the second reinforcing steel wire, wherein the second body includes a second base member having the screw hole formed therein, and the first base member from the upper end of the second base member.
  • a second stopper member extending toward the first body so as to overlap with the first locking member, and extending toward the first body so as to be superimposed on the first stopper member from a lower end of the second base member; And a second locking member, wherein the first stopper member and the second stopper member are each provided with a protruding protrusion that is caught by a locking jaw or an insertion groove formed in the first locking member and the second locking member, respectively.
  • the elastic support portion is provided between the pressing portion provided on the first and second stopper members, the support portion installed on the intermediate member, and the pressing portions and the support portions on both sides of the first and second stopper members.
  • the first and second locking members may further include elastic members configured to elastically bias toward the second locking member.
  • a through anchor bolt installed to penetrate the masonry wall at the point where the reinforcing steel crosses, a steel wire coupling member fitted to the through anchor bolt and closely contacting the reinforcing steel wire toward the masonry wall, and a penetration through which the steel wire coupling member is coupled.
  • the pre-tensioned masonry reinforcement device for steel wire use may be configured to further include a wall through reinforcement unit fastened to an anchor bolt and including a fastening nut for fixing the steel wire coupling member in a pressurized state toward the masonry wall.
  • the coupling member is a cylindrical body having a hollow through which the through anchor bolt can pass, and a circumferential surface is formed with a coupling groove extending from the circumferential surface toward the hollow and extending along the circumferential direction so that the reinforcing steel wire can be inserted therein. It is preferable.
  • the masonry wall is provided with a window frame
  • the angle member is also fixed to the support portion formed in the lower portion of the window frame
  • the pretensioned steel wire unit is installed on the beam and the column or the support and the column adjacent both ends, respectively It is fastened to a plurality of angle members, it is installed to extend in a direction inclined by a predetermined angle with respect to the beam or support and the pillar.
  • the angle member is a 'b' shaped member extending in the longitudinal direction of the beam or pillar or support
  • the coupling portion is fixed to the beam or pillar or support portion, and is formed to extend along the waist wall from the end of the coupling portion Is provided with a steel wire connecting portion connected to the reinforcing steel wire
  • the coupling portion is formed to extend a predetermined length in the direction orthogonal to the longitudinal direction of the beam or pillar or support portion and to be spaced apart from each other along the longitudinal direction to be inserted into the beam or pillar or support
  • a plurality of anchor coupling holes into which the anchor bolt is fitted is formed, and the steel wire connecting portion is preferably provided with a ring member to which the reinforcing steel wire is applied.
  • the masonry wall reinforcement method using the pretensioned masonry wall reinforcement device using steel wire according to the present invention is to reinforce the masonry wall formed between the beam and the pillar, the angle member coupling step of installing an angle member on the beam and the pillar, Pre-tension steel wire unit installation step of installing a pre-tensioned steel wire unit comprising a reinforcing steel wire is fixed to each of the angle members installed on the adjacent beams and pillars, respectively, and setting the tensile force to apply a pre-tension by applying a tensile force to the reinforcing steel wire Steps.
  • the angle member includes a coupling portion fixed to the beam or pillar, and a steel wire connecting portion extending along the masonry wall from the coupling portion, wherein the angle member coupling step is to insert an anchor bolt into the beam or pillar, After passing the anchor bolt through the anchor coupling hole formed to extend in the direction intersecting the longitudinal direction of the beam or the pillar member to the coupling portion, the fixing nut is coupled to the anchor bolt to fix the angle member to the beam or the pillar,
  • the pretensioned steel wire unit includes first and second reinforcement steel wires connected to one side and the other angle member, respectively, and elastic support portions connecting the first and second reinforcement steel wires to each other, wherein the first and second reinforcement wires are supported. It is preferable that the second reinforcing steel wire is formed to be pulled in a direction closer to each other.
  • the resilient support part includes a connecting body fastened to the first reinforcing steel wire and a fastening bolt screwed to be pulled into and out of the connecting body and connected to the second reinforcing steel wire, and the setting force of the tensioning step is the fastening bolt. It is preferable to be formed to apply a tensile force to the first, second reinforcing steel wire while fastening so as to be introduced into the connecting body.
  • a through anchor bolt is installed to penetrate the masonry wall
  • a steel wire coupling member fitted to the through anchor bolt is installed to closely contact the reinforcing steel wire crossing the front surface of the masonry wall toward the masonry wall, and the steel wire coupling member is
  • a wall penetrating reinforcing unit installation step of fastening the fastening nut to the through anchor bolt to be in close contact with the masonry wall may be further provided.
  • the masonry wall is provided with a window frame, in the angle member coupling step, the angle member is also installed in the support portion for supporting the lower portion of the window frame, and in the pretension steel wire unit installation step, adjacent beams and columns and the support portion The pretensioned steel wire unit is installed on the angle member to be installed.
  • the angle member includes a coupling portion fixed to the beam or pillar or support portion, and a steel wire connection portion extending along the waist wall from the coupling portion, and the angle member coupling step includes inserting an anchor bolt into the beam or pillar or support portion. After passing the anchor bolt through the anchor coupling hole formed to extend in the direction intersecting the longitudinal direction of the beam or pillar or support member, the fixing nut is coupled to the anchor bolt to the angle member or beam or
  • the pretension steel wire unit is fixed to the support portion, the first and second reinforcing steel wires connected to one side and the other angle member, respectively, and the elastic support for connecting the first and second reinforcing steel wires, the elastic support
  • the first and second reinforcing steel wires are formed to be pulled in a direction approaching each other.
  • Pretensioned masonry wall reinforcement device and steel masonry reinforcement method using the wire according to the present invention can easily reinforce the masonry wall of the building, in particular can be installed freely during or after construction of the building.
  • FIG. 1 is a perspective view showing a state in which a pre-tension masonry reinforcement device for steel wires used in accordance with the present invention is constructed
  • FIG. 2 is a partial exploded perspective view showing the pretension masonry reinforcing device using the steel wire of FIG.
  • Figure 3 is a partial excerpt perspective view showing the installation state of the steel wire and the angle
  • FIG. 4 is a partial excerpt perspective view showing another embodiment of the angle member further provided with reinforcement stiffeners
  • FIG. 5 is a cross-sectional view showing a masonry wall in which the pretension masonry wall reinforcement device of FIG. 1 is constructed;
  • FIG. 6 is a perspective view showing a pretensioned steel wire unit of the embodiment of FIG.
  • FIG. 9 is a front view showing a second embodiment of a pretensioned steel wire unit
  • FIG. 10 is a perspective view showing a third embodiment of the pretensioned steel wire unit
  • FIG. 11 is a front view showing a fourth embodiment of the pretensioned steel wire unit
  • FIG. 12 is a partial perspective view showing an elastic support of the pretensioned steel wire unit of FIG.
  • FIG. 14 is a cross-sectional view of the masonry wall in which the wall penetration reinforcing unit of FIG. 13 is constructed;
  • FIG. 15 is a perspective view showing a state in which a pre-tension masonry wall reinforcement device for steel wires according to a fifth embodiment of the present invention is constructed;
  • FIG. 16 is a partial exploded perspective view showing the pretension masonry reinforcing device using the steel wire of FIG. 15;
  • FIG. 17 is a cross-sectional view illustrating a masonry wall in which the pretension masonry wall reinforcement device of FIG. 15 is constructed.
  • FIG. 1 to 8 show a first embodiment of a steel wire use pretensioned masonry reinforcement device 10 according to the present invention.
  • the steel wire use pretension masonry reinforcement device 10 is installed in front and rear of the masonry wall (3) installed between the column (1) and the beam (2), respectively, beam (2) or column An angle member 100 fixed to (1) and a pretension steel wire unit 200 for applying pretension by connecting the angle members 100 to each other.
  • Angle member 100 is coupled to the anchor bolt 130 is installed on the beam (2) or pillar (1), the coupling portion 110 is in contact with the beam (2) or pillar (1) and the coupling portion ( It is formed to have a steel wire connecting portion 120 extending along the front surface of the masonry wall (3), it is to have a 'b' shape as a whole.
  • the coupling part 110 is formed to have a length corresponding to the length of the beam 2 or the pillar 1, and a plurality of anchor coupling holes 111 are formed to be spaced apart from each other by a predetermined distance along the longitudinal direction.
  • the anchor coupling hole 111 is formed in the form of a long hole along the direction crossing with respect to the longitudinal direction of the coupling portion (110).
  • the anchor coupling hole 111 is formed to have a long hole shape for coupling the rear surface of the steel wire connecting portion 120 of the angle member 100 to be in close contact with the front surface of the masonry wall (3).
  • the angle member 100 is first installed after the anchor bolt 130 is inserted into the column (1) or beam (2), the coupling portion 110 so that the anchor bolt 130 is fitted through the anchor coupling hole 111. ) And fasten the fixing nut 140 to the anchor bolt 130 passing through the coupling part 110 to fix the coupling part 110 to the beam 2 or the pillar 1. At this time, after the anchor bolt 130 is fitted, and before fixing the fixing nut 140, the wire connecting portion 120 is moved to be in close contact with the masonry wall (3) as much as possible, and then the fixing nut 140 is fastened to the angle member Install 100.
  • the wire connection portion 120 extends along the front surface of the masonry wall 3 from the coupling portion 110, the end of the wire connection portion 120 is provided with a ring member 121 for connecting the reinforcing steel wire to be described later.
  • the ring member 121 is formed by bending the plate-shaped member integral with the steel wire connecting portion 120 to an alphabet 'U' shape, and the ring member 121 is the steel wire connecting portion 120.
  • a separate ring capable of fixing the reinforcing steel wire may be coupled to the steel wire connection part 120 through various coupling means such as welding, bolting, or riveting.
  • the angle member 100 is installed on both beams 2 and upper and lower pillars 1 and 2 on both sides of the masonry wall 3.
  • the angle member 100 further includes a reinforcement stiffness 122 having one side supported by the coupling part 110 and the other side supported by the steel wire connection part 120. You can also strengthen it.
  • the pretensioned steel wire unit 200 is provided at both ends of the angle to apply an appropriate tensile force to reinforce the strength of the masonry wall 3 against external forces such as earthquakes.
  • the pretensioned steel wire unit 200 extends along a direction inclined with respect to the beam 2 or the pillar 1 by connecting one side and the other end to two adjacent angle members 100, respectively.
  • the first and second reinforcing steel wires 210 and 220 connected to the angle member 100 and the first and second reinforcing steel wires 210 and 220 are connected to each other. It includes a resilient support 230 for tensioning).
  • the first reinforcing steel wires 210 and the second reinforcing steel wires 220 are formed in a ring shape, respectively, so that they can be caught by the ring member 121.
  • the resilient support 230 is connected to the connecting body 231, one side of which is connected to the first reinforcing steel wire 210, the other side of the connecting body 231 to be screwed out and the second reinforcing steel wire 220 It includes a fastening bolt 239 is connected to.
  • the connecting body 231 includes first to fifth connecting members 232 to 236.
  • the first connecting member 232 extends a predetermined length along a direction connecting the two angle members 100.
  • the connecting member 233 extends downwardly from one end of the first connecting member 232 facing the first reinforcing steel wire 210, and the third connecting member 234 is formed in parallel with the second connecting member 233. 1 extends downwardly from the other end of the connecting member 232.
  • the second connecting member 233 is connected to the first reinforcing steel wire 210, and the third connecting member 234 has a screw hole 249 is formed so that the fastening bolt 239 can be screwed. .
  • the second connecting member 233 is formed longer than the third connecting member 234.
  • the fourth connecting member 235 extends from the end of the second connecting member 233 toward the third connecting member 234, and the fifth connecting member 236 is second from the lower end of the third connecting member 234.
  • the predetermined length is extended toward the connecting member 233.
  • the fourth connecting member 235 and the fifth connecting member 236 have the fourth connecting member 236 because of the difference in length between the second connecting member 233 and the third connecting member 234.
  • the latching jaw 235a is overlapped to be positioned above the upper portion 235, and protrudes toward the fifth connecting member 236 at an end portion of the fourth connecting member 235.
  • a support protrusion 237 protruding from the locking jaw 235a protrudes toward the fourth connecting member 235 at an end of the fifth connecting member 236.
  • the fastening bolt 239 is a head portion is connected to the second reinforcing steel wire 220, the tensile force is applied to the first, second reinforcing steel wire (210, 220) as the insertion length is inserted into the third connecting member 234 is longer. Will increase in size.
  • the inner surface of the fourth connecting member 235 has three insertion grooves 238 into which the support protrusions 237 can be inserted, and are formed to be spaced apart from each other along the longitudinal direction.
  • the set tensile force is the first reinforcing steel wire 210 and the second reinforcing steel wire 220. Workers can recognize that they have been caught.
  • the operator may apply the first reinforcing steel wire 210 and the second reinforcing steel wire 220 to three tensile forces set by applying a tensile force such that the support protrusion 237 is inserted into the second and third insertion grooves 238. It can apply tension.
  • the elastic support unit 230 of the present invention can easily identify whether the operator takes the tensile force of the size set in the first reinforcing steel wire 210 and the second reinforcing steel wire 220 without having a separate measuring device This is easy and the construction accuracy can be improved.
  • the elastic support part 230 of the present embodiment is illustrated as having three insertion grooves 238 formed in the fourth connecting member 235, only one insertion groove 238 may be formed as shown in FIG. 9. In this case, the tensile force applied to the first and second reinforcing steel wires 210 and 220 is limited to only one size.
  • FIG. 10 shows a third embodiment of the resilient support 240.
  • the elastic support part 240 of the present embodiment includes first and second bodies 241 and 245 respectively connected to the first reinforcing steel wire 210 and the second reinforcing steel wire 220.
  • the first body 241 and the second body 245 are first and second base members 242 and 246, respectively, and first and second stopper members extending from both ends of the first and second base members 242 and 246, respectively. And 244 and 248 and first and second locking members 243 and 247. The first and second stopper members 244 and 248 and the first and second locking members 243 and 247 extend in parallel with each other.
  • the first body 241 and the second body 245 are 'U' shaped members each side of which is open.
  • the first body 241 has a first locking member 243 at the upper end of the first base member 242 and a first stopper member 244 at the lower end thereof extending toward the second body 245, respectively.
  • the second body 245 is installed so that the second stopper member 248 at the upper end of the second base member 246 and the second locking member 247 at the lower end thereof extend toward the first body 241, respectively.
  • the second stopper member 248 is connected to the lower portion of the first locking member 243 and the first stopper member 244 is stacked on the upper portion of the second locking member 247.
  • One end and the other end are connected to each other through an intermediate member 253 connecting the first locking member 243 and the second locking member 247, respectively.
  • the intermediate member 253 has the first and second stopper members having protrusions 251 formed on the first and second locking members 243 and 247, respectively, when tension is applied to the first and second reinforcing steel wires 210 and 220.
  • the first and second bodies 241 and 245 may be formed in a curved shape so that the first and second bodies 241 and 245 may be stretched in a direction away from each other so as to be inserted into the insertion grooves 252 respectively formed in the 244 and 248.
  • the intermediate member 253 may be formed to connect the first stopper member 244 and the second stopper member 248.
  • a first reinforcing steel wire 210 is connected to the first body 241, and a screw hole in which the fastening bolt 239 is screwed is formed in the second base member 246 of the second body 245 to form a first hole.
  • the size of the tensile force applied to the first and second reinforcing steel wires 210 and 220 may be adjusted through an insertion length into which the fastening bolt 239 is inserted, and the protrusion protrusion 251 is inserted into the insertion groove 252. Whether or not the tensile force set on the first and second reinforcing steel wires 210 and 220 may be applied.
  • 11 and 12 illustrate a fourth embodiment of the resilient support 240.
  • the present embodiment is further provided with an elastic member 250 in the elastic support 240 of the third embodiment, the same reference numerals are assigned to the same members as the third embodiment, and detailed description thereof will be omitted.
  • Both ends of the elastic member 250 are supported by the first and second stopper members 244 and 248 of the first body 241 and the second body 245, respectively. It is elastically supported to press toward the second locking members 243 and 247.
  • the elastic member 250 may include two pressing parts 254 contacting the first and second stopper members 244 and 248, and a support part installed on the intermediate member 253 to be positioned between the pressing parts 254. 255 and a spring 256 provided between the support portion 255 and both pressing portions 254 to elastically bias the pressing portion 254 to the outside.
  • the elastic members 250 press the first and second stopper members 244 and 248 toward the second locking member 247 and the first locking member 243, respectively, to thereby tighten the fastening force of the first and second bodies 241 and 245. It can be raised further.
  • the wall through reinforcement unit 300 is installed to penetrate the masonry wall (3) to close the first and second reinforcing steel wires (210, 220) to the masonry wall (3) side.
  • the wall through reinforcement unit 300 may be formed in plural at some points of the masonry wall 3, and the through anchor bolt 310 penetrating the masonry wall 3 and the steel wire coupling fitted to the through anchor bolt 310. And a fastening nut 330 screwed to the member 320 and the through anchor bolt 310.
  • the through anchor bolt 310 is inserted and installed by drilling a through hole in a cement construction position for coupling bricks to each other, and the installation position where the through anchor bolt 310 is installed is the reinforcing steel wire. To be located at the intersection where they cross each other.
  • the steel wire coupling member 320 is inserted into the through anchor bolt 310 protruding from the masonry wall (3), the fastening nut 330 is inserted into the through anchor bolt 310 It is fixed to the masonry wall (3), the steel wire coupling member 320 is fixed between the fastening nut 330 and the masonry wall (3).
  • the steel wire coupling member 320 is a cylindrical body having a hollow 321 through which the through anchor bolt 310 passes, and a coupling groove 322 inserted into the hollow 321 on the outer circumferential direction thereof in the circumferential direction. It is formed to extend along.
  • One side is provided with a close plate 323 to be in close contact with the masonry wall (3), the other side is provided with a spacer plate 324 spaced apart from the close contact plate 323 to form the coupling groove 322, the separation
  • An edge 325 protruding toward the contact plate 323 is formed at the edge of the plate to block the departure of the reinforcing steel wires entering the coupling groove 322.
  • the coupling groove 322 is formed so that the reinforcing steel wire to be intersected, the reinforcing steel wires fastened between the angle member 100 is spaced apart from the masonry wall 3 by a predetermined distance from the coupling groove 322.
  • the steel wire coupling member 320 is installed in close contact with the masonry wall 3 by the fastening nut 330 in the inserted state, and thus the reinforcing steel wires are also closely adhered to the masonry wall 3. Therefore, the tensile force of the reinforcing steel is increased, and the reinforcing steel wires are connected to the masonry wall 3, so that the reinforcement of the masonry wall 3 by the pretension masonry wall reinforcing device 10 using the whole steel wire is made more robust.
  • the first step is to couple the angle member 100 to each beam 2 and the pillar (1) member (angle member 100 coupling step).
  • the anchor bolt 130 is first inserted into the beam 2 and the pillar 1 at intervals corresponding to the anchor coupling holes 111 of the angle member 100, and the anchor bolt 130 is installed.
  • the angle member 100 is fastened to the beam 2 and the pillar 1 so as to pass through the anchor coupling hole 111.
  • the coupling part 110 is attached to the steel wire connecting part 120 to be in close contact with the masonry wall (3) in a state in close contact with the beam (2) or the column (1), fastening the fixing nut 140 to the anchor bolt 130 To fix the angle member 100 to the beam 2 and the pillar 1.
  • the second step is to install the pretension liner unit 200 (pretension liner unit 200 installation step).
  • each of the first reinforcing steel wire 210 and the second reinforcing steel wire 220 is installed so as to be fitted to the ring member 121 of the angle member 100 adjacent to each other, the pretension steel wire unit 200 is installed, The pretensioned steel wire unit 200 is extended in a state inclined with respect to the beam (2) and the column (1).
  • the tension is applied to the first and second reinforcing steel wires 210 and 220 by using the elastic support 230 included in the pretension steel wire unit 200, and the second reinforcing steel wire 220 and the connecting body 231.
  • the tension is applied to the first reinforcing steel wire 210 and the second reinforcing steel wire 220 by adjusting the insertion length of the fastening bolt 239 to be connected.
  • the fastening bolt 239 is fastened in the direction of insertion into the connecting body 231 until the support protrusion 237 formed in the connecting body 231 is inserted into the insertion groove 238, an appropriate level of tension is obtained. Since the first reinforcing steel wire 210 and the second reinforcing steel wire 220 is caught, the operator can easily apply accurate tensile force.
  • a perforation hole is drilled in the masonry wall 3 to correspond to the intersection position where the reinforcing steel wires intersect, the through anchor bolt 310 passes through the masonry wall 3, and then the steel wire coupling member 320 passes through the anchor anchor bolt 310. Insert into and fasten with a fastening nut (330). At this time, the reinforcing steel wires are introduced into the coupling groove 322 formed on the outer circumferential surface of the steel wire coupling member 320 so that the reinforcing steel wires are in close contact with the masonry wall 3 by the steel wire coupling member 320. The reinforcement by the unit 200 makes it more robust.
  • the steel wire use pretensioned masonry reinforcement apparatus 10 and the masonry reinforcement method using the same according to the present invention described above can be applied to both the renovation of existing buildings or newly constructed buildings, and the tensile force of an appropriate level can be quickly obtained. It can be set up so that quick and accurate construction is possible.
  • Figure 15 to 17 is a steel wire use pre-tension masonry reinforcement device 20 according to another embodiment of the present invention is shown.
  • the pretension masonry wall reinforcement device 20 is provided on the masonry wall 13 is provided as a window frame 5 is provided as a waist wall to reinforce the masonry wall (13).
  • the waist wall refers to a part of the building wall with a different finish from the bottom to a height that a human body can reach.
  • a window frame is installed on the upper part of the waist wall, and a window is installed on the window frame.
  • the pretension masonry wall reinforcing device 20 is installed in front and rear of the masonry wall 13 installed between the column 1 and the beam 2, respectively, the beam (2) or the column (1) or the window frame ( 5) an angle member 500 fixed to the lower support 4, and a pretension steel wire unit 600 for applying pretension by connecting the angle members 500 to each other.
  • Angle member 500 is fastened to the anchor bolt 130 is installed on the beam (2) or pillar (1) or the support (4) coupled to contact the beam (2) or pillar (1) or support (4) And a portion 110 and a steel wire connecting portion 120 extending along the front surface of the masonry wall 13 from the coupling portion 110, and the angle members 100 shown in FIG. Since the configuration is the same, detailed description is omitted.
  • the pretensioned steel wire unit 600 extends along a direction inclined with respect to the beam 2 or the pillar 1 by connecting one side and the other end to two adjacent angle members 500, respectively. This is done. Since the pretension wire unit 600 has the same configuration as the pretension wire unit shown in the first to fourth embodiments mentioned above, a detailed description thereof will be omitted.
  • the first step is to couple the angle member 500 to each beam 2, the pillar 1 and the support 4 (angle member 500 coupling step).
  • the anchor bolt 130 is first inserted into the beam 2 and the pillar 1 and the support part 4 so as to be spaced apart from each other at intervals corresponding to the anchor coupling holes 111 of the angle member 500.
  • the angle member 500 is fastened to the beam 2 and the pillar 1 so that the bolt 130 passes through the anchor coupling hole 111.
  • the coupling part 110 is attached to the steel wire connecting part 120 to be in close contact with the masonry wall 13 in a state in close contact with the beam (2) or the pillar (1), fastening the fixing nut 140 to the anchor bolt 130 To fix the angle member 500 to the beams 2 and the pillars 1.
  • the second step is to install the pretension liner unit 600 (pretension liner unit 600 installation step).
  • each of the first reinforcing steel wire 210 and the second reinforcing steel wire 220 is installed to be fitted to the ring member 121 of the angle member 500 adjacent to each other to install the pretension steel wire unit 600, the The pretensioned steel wire unit 600 is extended in a state inclined with respect to the beam (2) and the column (1) and the support (4).
  • the tensile force is applied to the first and second reinforcing steel wires 210 and 220 by using the elastic support 230 included in the pretension steel wire unit 600, and the second reinforcing steel wire 220 is connected to the connecting body 231.
  • the tension is applied to the first reinforcing steel wire 210 and the second reinforcing steel wire 220 by adjusting the insertion length of the fastening bolt 239 to be connected.
  • the fastening bolt 239 is fastened in the direction of insertion into the connecting body 231 until the support protrusion 237 formed in the connecting body 231 is inserted into the insertion groove 238, an appropriate level of tension is obtained. Since the first reinforcing steel wire 210 and the second reinforcing steel wire 220 is caught, the operator can easily apply accurate tensile force.
  • the steel wire use pretensioned masonry reinforcement apparatus 20 and the masonry reinforcement method using the same according to the present invention described above can be applied to both the renovation of existing buildings or newly built buildings, and the tensile force of an appropriate level can be quickly obtained. It can be set up so that quick and accurate construction is possible.

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  • Business, Economics & Management (AREA)
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  • Environmental & Geological Engineering (AREA)
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Abstract

La présente invention concerne un appareil de renfort pour mur en maçonnerie à précontrainte par prétension qui utilise des câbles en acier. Ledit appareil de renfort pour mur en maçonnerie à précontrainte par prétension utilise une précontrainte par prétension en utilisant des câbles en acier fixés à des poutres et colonnes afin de renforcer la force interne et la ductilité d'un mur en maçonnerie. La présente invention concerne également un procédé de renfort pour mur en maçonnerie qui utilise ledit appareil. L'appareil de renfort pour mur en maçonnerie à précontrainte par prétension qui utilise des câbles en acier selon la présente invention est pour renforcer un mur en maçonnerie, qui est construit entre des colonnes et des poutres, et comprend : des éléments d'angle installés de façon fixe sur les colonnes et les poutres ; et des unités à câble en acier de précontrainte par prétension dont les deux extrémités sont respectivement accouplées à deux éléments d'angle adjacents installés sur les colonnes et les poutres et qui comprennent des câbles en acier de renfort installés de manière telle qu'une force de traction prédéterminée soit appliquée sur lesdits câbles en acier de renfort, les unités à câble en acier de précontrainte par prétension étant installées afin de s'étendre dans une direction inclinée à un angle prédéterminé par rapport aux poutres et aux colonnes.
PCT/KR2013/009966 2012-11-05 2013-11-05 Appareil de renfort pour mur en maçonnerie à précontrainte par prétension utilisant des câbles en acier, et procédé de renfort pour mur en maçonnerie utilisant ledit appareil Ceased WO2014069971A1 (fr)

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CN201380066272.5A CN104884717B (zh) 2012-11-05 2013-11-05 使用钢线丝的预拉伸砌筑墙体补强装置及使用其的砌筑墙体补强方法

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KR1020120124440A KR101383814B1 (ko) 2012-11-05 2012-11-05 강선사용 프리텐션 조적벽체 보강장치 및 이를 이용한 조적벽체 보강방법
KR10-2012-0124450 2012-11-05
KR1020120124450A KR101390990B1 (ko) 2012-11-05 2012-11-05 강선사용 프리텐션 허리벽체 보강장치 및 이를 이용한 허리벽체 보강방법
KR10-2012-0124440 2012-11-05

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104032835A (zh) * 2014-05-28 2014-09-10 同济大学 屈曲约束钢板墙与混凝土框架连接的栓钉连接节点
IT201600116158A1 (it) * 2016-11-17 2018-05-17 Agenzia Naz Per Le Nuove Tecnologie Lenergia E Lo Sviluppo Economico Sostenibile Enea Elemento di rinforzo antisismico in fibra naturale
JP2018150787A (ja) * 2017-03-09 2018-09-27 株式会社オンバス 開放式耐力体
CN109267762A (zh) * 2018-10-12 2019-01-25 天津城建大学 适用于含构造柱的既有建筑墙体的加固结构及其施工方法
JP2019157430A (ja) * 2018-03-09 2019-09-19 未央 常山 支持ユニット、及びロープ耐震ユニット
CN112282408A (zh) * 2020-09-05 2021-01-29 中建二局基础设施建设投资有限公司 市政园林景观房屋老围护墙墙体加固结构及开洞方法
CN113944260A (zh) * 2021-10-28 2022-01-18 北京丽贝亚建筑装饰工程有限公司 一种基于预制构造柱逆作隔墙及其施工工艺
CN114753668A (zh) * 2022-04-14 2022-07-15 江苏海洋大学 一种无粘结预应力钢丝绳加固砖砌体墙的施工方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111502031B (zh) * 2020-04-29 2022-11-25 南宁学院 一种梁和墙的连接结构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0849444A (ja) * 1994-08-10 1996-02-20 Hazama Gumi Ltd 耐震壁
JP2006342587A (ja) * 2005-06-09 2006-12-21 Shimizu Corp 建築物の耐震補強構造
KR100983638B1 (ko) * 2009-12-29 2010-09-27 (주)에이엠에스 엔지니어링 기존 건축물의 내진보강 구조물 및 방법
KR101027378B1 (ko) * 2010-06-29 2011-04-11 (주)다인에스엠 블록과 강선을 이용한 내진벽 및 시공방법
KR101087630B1 (ko) * 2011-06-17 2011-11-30 주식회사 위드콘 콘크리트 구조물의 내진 보강구조 및 보강방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6295770B1 (en) * 1999-12-29 2001-10-02 Chyi Sheu Steel frame building structure
CN101328769A (zh) * 2008-07-28 2008-12-24 赵铭心 一种抗震补强的方法
CN101597918B (zh) * 2009-06-25 2012-01-25 江苏科技大学 一种预应力巨型支撑-框架结构

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0849444A (ja) * 1994-08-10 1996-02-20 Hazama Gumi Ltd 耐震壁
JP2006342587A (ja) * 2005-06-09 2006-12-21 Shimizu Corp 建築物の耐震補強構造
KR100983638B1 (ko) * 2009-12-29 2010-09-27 (주)에이엠에스 엔지니어링 기존 건축물의 내진보강 구조물 및 방법
KR101027378B1 (ko) * 2010-06-29 2011-04-11 (주)다인에스엠 블록과 강선을 이용한 내진벽 및 시공방법
KR101087630B1 (ko) * 2011-06-17 2011-11-30 주식회사 위드콘 콘크리트 구조물의 내진 보강구조 및 보강방법

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104032835A (zh) * 2014-05-28 2014-09-10 同济大学 屈曲约束钢板墙与混凝土框架连接的栓钉连接节点
IT201600116158A1 (it) * 2016-11-17 2018-05-17 Agenzia Naz Per Le Nuove Tecnologie Lenergia E Lo Sviluppo Economico Sostenibile Enea Elemento di rinforzo antisismico in fibra naturale
JP2018150787A (ja) * 2017-03-09 2018-09-27 株式会社オンバス 開放式耐力体
JP2019157430A (ja) * 2018-03-09 2019-09-19 未央 常山 支持ユニット、及びロープ耐震ユニット
JP7045010B2 (ja) 2018-03-09 2022-03-31 未央 常山 支持ユニット、ロープ耐震ユニット、及びロープ耐震ユニットの施工方法
CN109267762A (zh) * 2018-10-12 2019-01-25 天津城建大学 适用于含构造柱的既有建筑墙体的加固结构及其施工方法
CN112282408A (zh) * 2020-09-05 2021-01-29 中建二局基础设施建设投资有限公司 市政园林景观房屋老围护墙墙体加固结构及开洞方法
CN113944260A (zh) * 2021-10-28 2022-01-18 北京丽贝亚建筑装饰工程有限公司 一种基于预制构造柱逆作隔墙及其施工工艺
CN114753668A (zh) * 2022-04-14 2022-07-15 江苏海洋大学 一种无粘结预应力钢丝绳加固砖砌体墙的施工方法

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