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WO2016129800A1 - Structure composite de renforcement intégrée à base d'acier mettant en œuvre un treillis métallique du type à fixation instantanée - Google Patents

Structure composite de renforcement intégrée à base d'acier mettant en œuvre un treillis métallique du type à fixation instantanée Download PDF

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Publication number
WO2016129800A1
WO2016129800A1 PCT/KR2015/013581 KR2015013581W WO2016129800A1 WO 2016129800 A1 WO2016129800 A1 WO 2016129800A1 KR 2015013581 W KR2015013581 W KR 2015013581W WO 2016129800 A1 WO2016129800 A1 WO 2016129800A1
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WO
WIPO (PCT)
Prior art keywords
wire
plate
grid
composite structure
length member
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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/KR2015/013581
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English (en)
Korean (ko)
Inventor
채일수
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.)
Innovation&smart Hevyindustryco ltd
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Innovation&smart Hevyindustryco ltd
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
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Application filed by Innovation&smart Hevyindustryco ltd filed Critical Innovation&smart Hevyindustryco ltd
Publication of WO2016129800A1 publication Critical patent/WO2016129800A1/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
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
    • E04B5/10—Load-carrying floor structures formed substantially of prefabricated units with metal beams or girders, e.g. with steel lattice girders
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
    • E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs

Definitions

  • the present invention relates to a composite structure that enables efficient cross section by synthesizing the steel beam and the slab integrally, and more specifically, it is possible to increase the stiffness of the slab while preventing the deformation of the composite structure as described above.
  • the present invention relates to a reinforcing bar composite structure using a lattice wire of a structure.
  • the composite beam is divided into a buried composite beam completely enclosing the steel beam and concrete, and an exposed composite beam connecting the steel beam to the slab concrete as a shear connector without the composite of the beam. That can be said.
  • FIG. 1 is a cross-sectional view showing the structure of a general exposed composite beam.
  • the conventional composite beam is installed by welding the stud bolts 2, which are shear connecting materials, at regular intervals on the upper flange 1a of the H-shaped steel beam 1, and attaching a deck plate or formwork to the upper flange.
  • the slab concrete (3) is poured, so that the H-shaped steel beam (1) and the slab concrete (3) functions as a T-shaped composite beam.
  • the behavior of the composite beam is greatly influenced by the shear connector installed between the steel and the reinforced concrete. Therefore, the stud bolt (2) should be sufficiently installed at a tighter spacing, which, on the other hand, causes the trouble of construction.
  • the stud bolt 2 since the stud bolt 2 only serves as a shear connector, the slab concrete must have a large thickness to resist bending strength, in particular compressive stress, and a separate main reinforcing bar must be reinforced.
  • Another prior art may have a structure in which the upper flange of the cheolgolbo is embedded in the slab concrete in order to have a more clear composite structure of the steel beam and the slab concrete.
  • the amount of steel is unnecessarily increased and it becomes uneconomical.
  • the concrete is placed on the upper flange. This creates another hassle that requires the formation of multiple holes for circulation.
  • the present applicant has applied for a partial reinforcing steel composite beam system that allows a part of the steel beam synthesized with the slab concrete to function as a shear connector while acting as a main root of the slab concrete, as shown in FIG. 2. It was filed in 150935 (unpublished).
  • the reinforced steel composite beam system is a structure in which the upper member of the steel beam consisting of the upper member and the lower member and the intermediate member connecting them to be embedded in the slab concrete, having a very high degree of synthetic force for the slab concrete,
  • the upper member is composed of the upper reinforcement and the truss-shaped abdominal reinforcement is arranged in the longitudinal direction of the steel beam to play a role.
  • the middle member of the steel beam allows the deck plate to be mounted so as to realize a slim floor.
  • a hook is formed at an end of the end of the iron wire which meets the upper reinforcing bar, and the upper bar is fitted to the hook so that the upper bar is not easily deformed even when a lateral load is applied.
  • the configuration in which the upper reinforcing bar is fitted to the hook as described above is to secure the position fixability of the upper reinforcing bar, but there is a problem in that workability is inferior due to the cumbersome work, and further sag in the inner part of the grid wire There is a problem in that air is delayed and labor costs are increased due to an inefficient operation in which many spacers are installed one by one between the deck plate and the grid wire to prevent them.
  • the present invention is to solve the problems of the prior art, while the upper member embedded in the slab concrete can solve the problem of the length member vulnerable to deformation such as transverse buckling while using the steel beam consisting of the length member such as rebar.
  • the steel beam consisting of the length member such as rebar.
  • the purpose is to provide.
  • the present invention has another object to provide a reinforcing bar integrated composite structure to form a support unit integral to the grid wire to omit the installation of the spacer, or to simplify the installation of the spacer.
  • the steel beam in which the slab concrete and the steel beam integrally behaves, the steel beam, the upper member embedded in the slab concrete and the lower portion of the slab concrete Consists of an exposed lower member, and an intermediate member for connecting the upper member and the lower member, the upper member, the length member is installed in the longitudinal direction of the steel beam, the lower member of the length member is connected to the intermediate member
  • the intermediate member is provided with a mounting plate is mounted deck plate for building the slab concrete
  • the grid plate is placed between the length member and the length member is fixed to the deck plate
  • the grid wire The grating wire is installed in the insertion groove provided in the fixing part so that the length member of the upper member is inserted.
  • a one-piece composite structure using a one-touch fixed grid iron wire characterized in that.
  • the grid iron wire has a plurality of iron wires arranged in the longitudinal direction and the horizontal direction, respectively, to have a grid-like planar structure, and at least one of both ends of the horizontal wire wire is provided with a fixing part operated by an elastic force.
  • the fixing part includes an insertion groove into which the length member is inserted and fixed, a locking portion preventing the inserted length member from being separated from the insertion groove, and a guide portion leading the length member to enter the insertion groove.
  • Composite structure according to the present invention is configured so that the upper member of the steel beam has a large open space free of the flow of concrete, while preventing deformation such as transverse buckling, reducing the amount of steel used and the installation of shear connectors such as stud work and The upper reinforcing bar reinforcement work can be omitted, enabling economical construction such as shortening the air.
  • the deck plate for building the slab is mounted on the intermediate member of the steel beam, thereby enabling the implementation of a slim floor.
  • the fixing groove of the grating wire consisting of the insertion groove, the locking portion, and the guide portion of the present invention, since the length member is fixedly inserted into the insertion groove by one-touch only pressing the body of the grating wire downward, the construction property becomes very good, and poor construction It allows you to greatly reduce the room.
  • the composite structure according to the present invention can be integrated into the support portion to the grid wire or to install the spacer efficiently and stably, so that the installation work of the spacer to prevent sagging of the grid wire is omitted or the installation time is shortened. In addition to making it possible to achieve precise construction.
  • 1 is a cross-sectional view showing a general composite structure of the sleeve concrete and steel beams.
  • Figure 2 is a perspective view showing a conventional reinforced steel composite beam system proposed by the applicant.
  • 3 and 4 are perspective views showing each embodiment of the grid iron wire according to the present invention.
  • FIG. 5 is an explanatory view showing a process in which the length member is inserted and fixed to the insertion groove of the grid wire in a one-touch manner.
  • FIG. 6 is an explanatory view showing a method for installing a grid wire according to an embodiment in which a hook is provided at one end of the grid wire of the present invention.
  • FIG. 7 is a perspective view of the steel beam of each embodiment to which the grid iron wire of the present invention is applied.
  • FIG 8 and 9 are perspective views illustrating the composite structure according to each embodiment of the present invention.
  • the one-piece fixed composite composite structure using the one-touch fixed grid wire of the present invention is a single-piece composite composite structure using a grid wire of a structure that can increase the stiffness of the slab while preventing the deformation of the composite structure that behaves integrally by synthesizing the steel beam and the slab.
  • the steel beam is composed of an upper member embedded in the slab concrete, a lower member exposed to the lower portion of the slab concrete, and an intermediate member connecting the upper member and the lower member
  • the upper member is a steel beam
  • the length member is installed in the longitudinal direction of the, and the connecting member is installed on the bottom of the length member is connected to the intermediate member
  • the intermediate member is provided with a mounting surface is mounted deck plate for building slab concrete
  • the deck The grid wire is placed on the upper plate, the insertion provided in the fixed portion of the grid wire
  • the groove is provided with a grid wire so that the length member of the upper member is inserted
  • the grid wire has a plurality of wires arranged in the longitudinal direction and the transverse direction, respectively, to have a grid-like planar structure, and at least one of both ends of the horizontal wire Either side is provided with a fixing portion which is operated by an elastic force, the fixing portion is inserted into the length member is fixed, the engaging portion for preventing the inserted length member from being separated from the insertion groove, and
  • FIG. 3 and 4 show each embodiment of the grid iron wire 400 according to the present invention
  • Figure 3 is an example of the case where the fixing portion 411 is provided only on one side of the grid iron wire 400
  • Figure 4 is a grid The example in the case where the fixing part 411 is provided in both sides of the wire 400 is shown.
  • a plurality of iron wires 410 and 420 are disposed in the same longitudinal direction as the longitudinal direction of the steel beam 100 and the transverse direction perpendicular thereto.
  • at least one of both ends of the transverse iron wire 410 is provided with a fixing portion 411 that is operated by an elastic force.
  • the fixing part 411 is an insertion groove 411a to which a length member such as rebar, bar or flat iron is inserted and fixed, and a locking part protruding to prevent the inserted length member from being separated from the insertion groove 411a. 411b) and the guide member 411c inclined downward to induce entry of the length member into the insertion groove 411a.
  • the fixing portion 411 including the insertion groove 411a, the locking portion 411b, and the guide portion 411c has a length member inserted groove by one-touch only pressing the body of the grid wire 400 downward. It can be inserted and fixed to the (411a) to improve the workability and precision.
  • FIG. 5 illustrates a process in which the length member, for example, the rebar S, is fixed to the insertion groove 411a in a one-touch manner.
  • the reinforcing bar (S) is placed in the lower portion of the guide portion 411c as shown in (a) of Figure 5, pressing the body of the grid wire 400 as shown in Figure 5 (b) downwards
  • the main surface locking portion 411b is opened to the outside, the reinforcing bars S are inserted into the insertion groove 411a, and when the reinforcing bars S are inserted into the insertion grooves 411a, the locking portions 411b that are opened are shown in FIG. Resilient restoration as in the) to prevent the reinforcement (S) inserted from the insertion groove (411a) to be separated.
  • the fixing part 411 may be provided only at one end of the transverse iron wire 410 and the hook 412 may be provided at the other side of the wire 410.
  • the one-touch fixing parts 411 described above may be provided at both ends.
  • the direction of the work can be arbitrarily selected according to the site conditions, so that the convenience of the work can be achieved as compared with the fixing part 411 on only one side. have.
  • the grid iron wire 400 of the present invention having the one-touch fixing part 411 has a structure of various steel beams which are synthesized for integral behavior with slab concrete, and the upper member 110 is a steel beam.
  • Steel is formed to be embedded in the slab concrete consisting of the upper reinforcement 111 is installed in the longitudinal direction of the (100) and the abdominal reinforcement 112 is installed on the lower surface of the upper reinforcement 111 to form a large space for the concrete to flow It is advantageously applied to the structure of the beam 100.
  • the configuration of the upper reinforcement 111 and the abdominal reinforcement 112 is not useful for the steel beam of the structure in which the cross-sectional shape of the steel bar or flat iron, etc., respectively replaced with different length members and connecting members. .
  • the length member and the connection member of the upper member 110 will be described with an example in which all of them are made of rebar.
  • FIG. 7 is a perspective view showing the steel beam 100 as a whole, the installation of the grid wire 400 of the present invention advantageously works.
  • the upper member 110 includes an upper reinforcement 111 and an abdominal reinforcement 112 installed on the lower surface of the upper reinforcement 111 and connected to the intermediate member 130.
  • the upper member 110 configured as described above is embedded in the slab concrete to have a very strong synthetic force between the steel beam and the slab concrete, and also to form a reinforced concrete structure with the slab concrete to have a sufficient resistance to the compressive force. .
  • the intermediate member 130 connects the upper member 110 embedded in the concrete and the lower member 120 exposed to the outside to have a unity, as well as mounting surfaces of the deck plates 200 and 300 for the construction of slab concrete ( It is possible to implement a slim floor by having a 131).
  • the lower member 120 having the X-shaped cross section by the lower flange and the abdominal plate of the steel is resistant to the tensile force.
  • Steel beam 100 having the structure as described above, as shown in Figure 7 (a) may be configured in the shape of a general beam member having a straight line with respect to the longitudinal direction, in Figure 7 (b) As shown, it may be configured to form a camber ( ⁇ ) with a central portion convex upward with respect to the longitudinal direction of the steel beam 100.
  • camber ( ⁇ ) improves the resistance to the bending moment generated in the center portion of the steel beam 100 to reduce the dancing of the steel beam 100, which reduces the steel consumption and the above-described intermediate member Together with the 130 will contribute to the implementation of the slim floor.
  • the degree of the camber ( ⁇ ) will vary depending on the size of the upper load supported by the steel beam 100, it is preferable to match the degree of deflection to be generated by the load of the slab concrete.
  • the slab is completed by pouring concrete on the deck plates (200,300), deck plate
  • the upper member 110 of the steel beam 100 exposed to the upper surface than the upper surface of the (200,300) can not only be deformed by carelessness of the operator, but also deformation such as transverse buckling can be easily generated by the placing pressure of the concrete. These deformations can reduce the degree of planned synthesis and resistance to stress, resulting in low quality factors in which the finished composite structure does not meet design values.
  • the grid iron wire 400 of the present invention prevents the upper member 110 from being easily deformed by an external force as described above. That is, the grid iron wire 400 of the present invention is placed on the deck plate (200,300) between the upper reinforcing bar 111 and the upper reinforcing bar 111, the insertion provided in the fixing portion 411 of the grid wire 400 The groove 411a is installed to insert the upper reinforcing bar 111 of the upper member 110.
  • the grid reinforcement wire 400 installed between the upper reinforcement 111 and the upper reinforcement 111 maintains the interval of the upper reinforcement 111 like a tie-bar so that the upper reinforcement 111 is horizontally deformed. To prevent them.
  • the tie bar function of the grid wire 400 is the insertion groove 411a of the fixing portion 411 into which the upper reinforcement 111 is inserted to prevent the upper reinforcement 111 from being deformed into the grid reinforcement wire 400. It may be formed to be convex inward from the end of the transverse iron wire 410, but more preferably formed so as to be convex outward, the upper reinforcement 111 is wrapped inside the lattice iron wire 400 is the insertion groove ( 411a).
  • the stress generated in the grid wire 400 to maintain the shape of the upper member 110 is to reduce the deflection of the grid wire 400 by the tensile stress to install the number of spacers or the number of supporting parts to be described later Have the effect of reducing
  • FIG. 8 is an embodiment of the present invention installed the grid wire 400 after mounting the U-shaped deck plate 200 provided with the upper flange to the steel beam 100 by using the intermediate member 130 above.
  • (a) shows the structure of the U-deck plate 200 and the spacer 250 is installed therein
  • (b) is a synthesis of an embodiment of the present invention to which their structure is applied
  • the U-shaped deck plate 200 is the lower plate 210, the side plate 220 bent vertically upward at both sides of the lower plate 210, the upper flange 230 which is horizontally bent at the upper end of the side plate 220 and The connection plate 240 is bent downward at the end of the upper flange 230.
  • each of the upper end of the side plate 220 and the connecting plate 240 is provided with a coupling groove (K) in the longitudinal direction so as to be convex inwardly to facilitate the installation of the spacer 250 as described later U-shaped deck plate ( Increase the bending rigidity in the longitudinal direction of the 200). Embossing may be formed with respect to the lower plate 210 in order to increase the bending rigidity in the width direction or the longitudinal direction.
  • the grid wire 400 installed on the upper portion of the U-shaped deck plate 200 is caused to sag in the center portion due to its own weight.
  • the spacer 250 for preventing such sag is formed in the U-type deck plate ( 200).
  • the spacer 250 is a vertical piece 251 for maintaining the gap between the grid wire 400 and the U-shaped deck plate 200, and the vertical piece 251 is fixed to the U-shaped deck plate 200 It is made of a U-shaped elastic support piece 252 for the coupling, both sides of the support piece 252 is provided with a coupling projection (P) inserted into the coupling groove (K).
  • the vertical piece 251 may be further provided with a through hole 251a for the flow of concrete.
  • the spacer 250 configured as described above is pressed downward in the state of being connected to the upper flange 230 of the U-shaped deck plate 200, and the coupling protrusion P provided in the support piece 252 is U-shaped by elasticity. Installation work is very simple because the insertion plate coupled to the coupling groove (K) provided in the side plate 220 and the connecting plate 240 of the deck plate 200.
  • the spacer 250 installed thereon can freely move back and forth in a state in which the coupling groove (K) is inserted into and coupled to the coupling groove (K).
  • the simplicity also makes the task of error correction very easy.
  • Figure 9 is for explaining the composite structure of another embodiment of the present invention, (a) (b) shows another embodiment of the flat deck plate 300 and the grid wire 400 to be applied thereto, respectively (C) is a perspective view showing the overall composite structure of another embodiment of the present invention to which the flat deck plate 300 and the grid wire 400 of the above structure are applied.
  • the flat deck plate 300 is a top plate 330 made of a single plate, the side plate 320 bent to be inclined downward from both side ends of the top plate 330, and the side plate 320 in the horizontal direction again
  • the lower plate 310 is bent, and the lower plate 310 is mounted on the mounting surface 131 of the intermediate member 130.
  • the lateral and longitudinal wires 410 and 420 constituting the grid wire 400 are positioned to be spaced apart from the top plate 330 of the flat deck plate 300 to prevent sagging of the grid wire 400.
  • the installation work of the general spacer has a problem of causing an increase in air delay and cost as mentioned above.
  • the spacer 250 of the previous embodiment which is composed of the vertical piece 251 and the wedge-shaped elastic support piece 252, may not be applied.
  • the above-described problem is solved by integrally providing the supporting portion 430 having the spacer function in the grid wire 400 itself.
  • the support part 430 is configured to be perpendicular to the lower portion of the planar structure formed by the iron wires in the longitudinal and transverse directions, more specifically, at regular intervals to the iron wires in at least one of the longitudinal and transverse directions. Is installed. That is, as shown in (b) of FIG. 9, the support part 430 may be formed only for the wire in any one direction, but the support part 430 may be provided for both the longitudinal wire 420 and the transverse wire 410. ) May be formed, and this may be selectively performed according to the specification of each iron wire constituting the grid iron wire 400 and the interval between the upper reinforcing bar 111 and the upper reinforcing bar 111.
  • the support part 430 may be integrally formed by bending the horizontal wire 410 or the longitudinal wire 420, but the bending diameter is not easy due to the large diameter of the wire, or the position to be provided with the support part 430. If there are not many, the separate chop member may be welded to the grid wire 400.
  • the grid wire 400 provided with the supporting part 430 is fixed to both ends of the steel bar 100 by the upper end 111 of the steel beam 100 in one-touch manner. Since the operation of installing the spacer between the flat deck plate 300 and the grid wire 400 can be omitted, it is possible to achieve a precise construction while significantly reducing the air.
  • the present invention relates to a composite structure that enables efficient cross section by synthesizing a steel beam and a slab and acting integrally, and may be referred to as an industrially applicable invention.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)

Abstract

La présente invention concerne une structure composite de renforcement intégrée à base d'acier mettant en œuvre un treillis métallique, ledit treillis métallique comprenant une pluralité de fils dont chacun comprend un élément de fixation sur au moins l'une ou les deux extrémités de celui-ci, qui est actionné par une force élastique, et l'élément de fixation comprend : une rainure d'insertion dans laquelle est inséré et fixé un élément allongé ; une partie de blocage pour empêcher l'élément allongé inséré d'être séparé de la rainure d'insertion ; et une partie de guidage pour guider l'élément allongé, de telle manière que l'élément puisse être introduit dans la rainure d'insertion.
PCT/KR2015/013581 2015-02-10 2015-12-11 Structure composite de renforcement intégrée à base d'acier mettant en œuvre un treillis métallique du type à fixation instantanée Ceased WO2016129800A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150019992A KR101540649B1 (ko) 2015-02-10 2015-02-10 원터치 고정형 격자철선을 이용한 철근 일체형 합성구조
KR10-2015-0019992 2015-02-10

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WO2016129800A1 true WO2016129800A1 (fr) 2016-08-18

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KR101609616B1 (ko) * 2015-12-23 2016-04-06 주식회사 아이에스중공업 중공슬래브 형성을 위한 철골 수평 조립체
KR101627820B1 (ko) * 2015-12-23 2016-06-07 주식회사 아이에스중공업 중공슬래브 형성을 위한 철골 수평 조립체
KR101828285B1 (ko) * 2017-06-12 2018-02-12 이승준 3차원 프린팅을 활용한 결속형 시멘트질 구조체 제조 방법 및 결속형 시멘트질 구조체
KR101912376B1 (ko) * 2017-12-19 2018-10-26 주식회사 택한 판형 트러스 거더 및 이를 이용한 합성형교
CN115341702A (zh) * 2022-09-16 2022-11-15 大禾众邦（厦门）智能科技股份有限公司 一种多规格异形截面楼板连接结构

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KR200439921Y1 (ko) * 2008-01-24 2008-05-13 우진철망 주식회사 콘크리트 보강용 철망

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