CN111168837B - Steel bar spacer and PC wall production method using the steel bar spacer - Google Patents
Steel bar spacer and PC wall production method using the steel bar spacer Download PDFInfo
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- CN111168837B CN111168837B CN202010105067.7A CN202010105067A CN111168837B CN 111168837 B CN111168837 B CN 111168837B CN 202010105067 A CN202010105067 A CN 202010105067A CN 111168837 B CN111168837 B CN 111168837B
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- wall
- steel bar
- steel
- support seat
- insertion end
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
- B28B23/024—Supporting means
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
本发明公开了一种钢筋间隔件及应用该钢筋间隔件的PC墙生产方法，涉及建筑施工技术领域，包括长条柱状棒体，棒体两端分别设有支撑座及尖头状插入端。浇筑PC墙的第一面墙体时，支撑座底面与其模具底面抵接，借助支撑座使钢筋及钢筋桁架与模具底面有一定距离，并将支撑座连同钢筋桁架下端现浇在第一面墙体内；浇筑PC墙的第二面墙体时，将插入端及钢筋桁架的另一端插入PC墙的第二面墙体的混凝土中，并使插入端的末端与第二面墙体的模具底面抵接；这样即可确保支撑座与插入端之间的棒体长度能够定位第一面墙体与第二面墙体间的距离。利用本发明解决了PC墙在生产中双面墙钢筋隔离及双面墙定位控制的难题。
The present invention discloses a steel bar spacer and a PC wall production method using the steel bar spacer, which relates to the field of building construction technology, and includes a long columnar rod body, with a support seat and a pointed insertion end provided at both ends of the rod body. When casting the first wall of the PC wall, the bottom surface of the support seat abuts against the bottom surface of its mold, and the support seat is used to make the steel bars and the steel bar truss have a certain distance from the bottom surface of the mold, and the support seat together with the lower end of the steel bar truss are cast in the first wall; when casting the second wall of the PC wall, the insertion end and the other end of the steel bar truss are inserted into the concrete of the second wall of the PC wall, and the end of the insertion end abuts against the bottom surface of the mold of the second wall; in this way, it can be ensured that the length of the rod body between the support seat and the insertion end can locate the distance between the first wall and the second wall. The present invention solves the difficult problems of steel bar isolation and positioning control of double-sided walls in the production of PC walls.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a steel bar spacer and a PC wall production method using the same.
Background
At present, the steel bar spacer used in the building construction process only has the function of isolating steel bars in a single wall, and is not suitable for the construction of PC walls (also called double-skin walls). The double-skin wall is formed by pouring reinforced concrete, and the two walls are connected by the steel bar trusses and have a certain distance. When the wall body is poured, the first wall is poured first, and the second wall is poured when the strength reaches the requirement after curing. The existing steel bar spacer cannot ensure that the distance between two walls meets the design requirements.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the reinforcement spacer and the PC wall production method using the reinforcement spacer, which can effectively ensure the isolation effect of the reinforcement in the PC wall and the distance between two walls of the reinforcement spacer and ensure the production quality of the PC wall.
In order to solve the technical problems, the invention adopts the following technical scheme:
the reinforcement spacer applied to the PC wall comprises a strip-shaped columnar rod body used for positioning a hollow space in the PC wall, wherein one end of the rod body is provided with a supporting seat used for supporting reinforcement in a first wall, the bottom surface of the supporting seat is in butt joint with the bottom surface of a die for casting the first wall of the PC wall, the other end of the rod body is provided with a pointed insertion end, and the tail end of the insertion end is in butt joint with the bottom surface of the die for casting a second wall of the PC wall.
Preferably, the supporting seat comprises a central column fixedly connected with the rod body and a plurality of clamping claws for supporting the reinforcing steel bars, the clamping claws are radially arranged around the central column, and the bottoms of the clamping claws are abutted to the bottom surface of the die of the first wall body.
Preferably, the top of jack catch is equipped with the limit structure who is used for the location reinforcing bar, limit structure include with reinforcing bar excircle assorted spacing groove and rather than adjacent reinforcing bar excircle butt spacing inclined plane, spacing groove and spacing inclined plane set up in two adjacent jack catch tops.
Preferably, the clamping jaw with the limiting groove and the clamping jaw with the limiting inclined surface are arranged around the central column at 90 degrees, and the four clamping jaws are arranged around the central column in a crisscross shape.
Preferably, scale marks are arranged on the surface of the rod body and used for positioning the distance between the first wall body and the second wall body of the PC wall.
Preferably, the insertion end is conical or pyramid-shaped.
Preferably, the rod body is made of metal or composite material, the supporting seat is formed by injection molding or pouring plastic, resin or cement at the lower end of the rod body, and the insertion end is formed by grinding the upper end of the rod body or is formed by injection molding or pouring plastic, resin or cement at the top of the rod body.
The invention also provides a PC wall production method applying the reinforcement spacer, which comprises the following steps:
1. pouring a first wall:
1) Binding steel bars, namely binding the steel bars and a steel bar truss for connection on the bottom surface of the die, and placing the steel bar spacers at intervals at the binding positions of the crisscrossed steel bars, wherein every two adjacent steel bars are arranged on the clamping jaws of the supporting seat, so that the steel bars and the steel bar truss are isolated and positioned with the bottom surface of the die;
2) Pouring concrete in the mould, and pouring and fixing the support seat, the reinforcing mesh and the lower end of the reinforcing truss in the first wall;
2. Pouring a second surface wall:
pouring concrete in the mould in advance, grabbing and overturning the first wall body with the strength reaching the requirement by a manipulator, inserting the other end of the steel bar truss and the insertion end of the steel bar spacer into the concrete, releasing the manipulator, and then sending the two wall bodies into a curing room together for curing until the strength reaches the requirement.
Preferably, the total length of the steel bar spacer is equal to the sum of the thickness of the first wall, the thickness of the second wall and the distance between the two walls and is larger than the height of the steel bar truss, and the bottom surface of the supporting seat and the tail ends of the inserting ends of the steel bar spacer are protruded out of the two ends of the steel bar truss so that the two ends of the steel bar truss are poured in the concrete and are not exposed.
Compared with the prior art, the method has the advantages that when the first wall body of the PC wall is poured, the supporting seat is used for enabling the steel bars and the steel bar trusses to be at a certain distance from the bottom surface of the die, the supporting seat and the lower ends of the steel bar trusses are cast in the first wall body in a cast-in-place mode, the pointed insertion end of the rod body and the other end of the steel bar trusses are inserted into concrete of the second wall body of the PC wall, the tail end of the insertion end is abutted to the bottom surface of the die of the second wall body, and therefore the distance between the first wall body and the second wall body can be located through the length of the rod body between the supporting seat and the insertion end. The invention solves the difficult problem of double-sided wall steel bar isolation and double-sided wall positioning control of PC walls in production.
Drawings
Fig. 1 is a schematic structural view of a reinforcement spacer applied to a PC wall according to an embodiment of the present invention;
Fig. 2 is a schematic illustration of placement of an embodiment of the present invention with rebar on a first wall mold;
FIG. 3 is a schematic illustration of an embodiment of the present invention after casting in a PC wall;
In the figure, the steel bar is composed of a first wall body 01-a second wall body 02-a 03-steel bar truss, a 1-bar body, 2-steel bars, a 3-supporting seat, a 31-center column, 32-clamping jaws, a 4-die, a 5-insertion end, a 6-limit groove and a 7-limit inclined plane.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1-3, the steel bar spacer for PC walls provided by the invention comprises a long column-shaped bar body 1 for positioning a hollow space in a PC wall, wherein one end of the bar body 1 is provided with a supporting seat 3 for supporting steel bars 2 in a first wall body 01, the bottom surface of the supporting seat 3 is in butt joint with the bottom surface of a die 4 for casting the first wall body 01 of the PC wall, the other end of the bar body 1 is provided with a pointed insertion end 5, the tail end of the insertion end 5 is in butt joint with the bottom surface of a die for casting a second wall body 02 of the PC wall, and the supporting seat 3 and the insertion end 5 are protruded out of two ends of a steel bar truss 03 to ensure that the steel bars and the steel bar trusses in the first wall body 01 and the second wall body 02 keep a certain distance from the bottom surface of the die. The pointed insertion end can avoid the inclination or falling of sand and stone materials in the insertion process, and further the distance between the steel bar truss and the bottom surface of the die is ensured. The total length of the rod body, the supporting seats at the two ends of the rod body and the inserting end is equal to the sum of the thickness of the two walls of the PC wall and the distance between the two walls.
As a preferable structure, as shown in fig. 1, the supporting seat 3 includes a central column 31 fixedly connected with the rod body 1 and a plurality of claws 32 for supporting the reinforcing steel bar 2, the plurality of claws 32 are radially disposed around the central column 31, and the bottom of the claws 32 is abutted to the bottom surface of the mold 4 of the first wall 01. Wherein, the top of the claw 32 is provided with a limit structure for positioning the reinforcing steel bar 2. By means of the structure, the steel bars can be limited, so that the steel bars are kept at a certain distance from the bottom surface of the die, and the design requirement is met.
In one embodiment of the present invention, as shown in fig. 1, the limiting structure includes a limiting groove 6 matched with the outer circle of the steel bar 2 and a limiting inclined plane 7 abutting against the outer circle of the adjacent steel bar 2, where the limiting groove 6 and the limiting inclined plane 7 are disposed at the top of two adjacent claws 32. The limiting groove on one claw is utilized to limit one side of the steel bar, and the limiting inclined surface on the other claw is utilized to limit the adjacent steel bar, so that the bound steel bar and the steel bar truss are ensured to be isolated from the bottom surface of the die. Of course, the limiting structure is not limited to the above structure, and other forms such as a limiting ring or a buckle can be adopted to play a role of positioning the reinforcing steel bars.
In view of the fact that the reinforcing bars are cross-bound, as shown in fig. 2, the claws with the limiting grooves 6 and the claws with the limiting inclined surfaces 7 are arranged at 90 degrees around the center column 31. In a specific design, the number of the clamping claws 32 is four, and the four clamping claws 32 are arranged around the center column 31 in a crisscross shape, so that the structure can ensure that the supporting seat is stably placed on the bottom surface of the die. Simultaneously, in order to meet the light-weight design requirement, the inner side of the bottom of the claw and the lower end of the center column can be obliquely transited, the lower end of the center column is higher than the bottom surface of the claw, the outer edge of the claw extends to the outer sides of the limiting grooves and the limiting inclined planes, the contact area between the claw and the bottom surface of the die can be increased, and the placement stability of the supporting seat on the bottom surface of the die is ensured.
Further optimizing the above technical scheme, the surface of the stick body 1 is provided with scale marks for positioning the distance between the first wall body 01 and the second wall body 02 of the PC wall. By adopting the structure, the accuracy of the distance in the PC wall can be improved. The length of the insertion end can be positioned by the scales on the rod body.
In one embodiment of the present invention, as shown in fig. 1, the insertion end 5 has a conical or pyramid shape. The lower end of the insertion end is provided with a boss, a plurality of reinforcing ribs are arranged between the side wall of the insertion end and the boss, and meanwhile, the top end of the insertion end is provided with a plane which is abutted with the bottom surface of the die. By adopting the structure, the injection molding process is conveniently utilized to perform injection molding on the end part of the rod body once. In addition, the top of the insertion end is provided with a cross-shaped rib, the side surface of the rib is provided with a certain draft angle, and the edge of the lower end of the rib is arranged in the edge of the insertion end. Thus, the strength of the insertion end can be improved while the demolding is convenient.
In the concrete processing and manufacturing, the shape of the rod body 1 is not limited to a round rod, a square rod or a spiral rod, the material is not limited to metal or composite material, the material of the insertion end 5 and the supporting seat 3 is not limited to plastics, resins or cements, the supporting seat 3 is injection molded or cast at the lower end of the rod body 1 by plastics, resins or cements, etc., the insertion end 5 is directly ground at the upper end of the rod body 1, or injection molded or cast at the top of the rod body 1 by plastics, resins or cements, etc.
The invention also provides a PC wall production method applying the reinforcement spacer, which comprises the following steps:
1. pouring a first wall:
1) Binding steel bars, namely binding the steel bars and the steel bar trusses for connection on the bottom surface of the die, and placing the steel bar spacers at intervals at the binding positions of the crisscrossed steel bars, wherein every two adjacent steel bars are arranged on the clamping jaws of the supporting seat, so that the steel bars and the steel bar trusses are isolated and positioned from the bottom surface of the die.
2) Pouring concrete in the mould, and pouring and fixing the support seat, the reinforcing mesh and the lower end of the reinforcing truss in the first wall;
2. Pouring a second surface wall:
pouring concrete in the mould in advance, grabbing and overturning the first wall body with the strength reaching the requirement by a manipulator, inserting the other end of the steel bar truss and the insertion end of the steel bar spacer into the concrete, releasing the manipulator, and then sending the two wall bodies into a curing room together for curing until the strength reaches the requirement.
The total length of the steel bar spacer is equal to the sum of the thickness of the first wall, the thickness of the second wall and the distance between the two walls and is larger than the height of the steel bar truss, and the bottom surface of the supporting seat and the tail ends of the inserting ends of the steel bar spacer are protruded out of the two ends of the steel bar truss so that the two ends of the steel bar truss are poured in concrete and are not exposed. The steel bar spacer fixed in the first wall body is poured in advance to ensure that the designed distance between the insertion end of the steel bar truss and the die of the second wall body is met, and the insertion end of the rod body can be smoothly inserted into the sand stone material due to the fact that the concrete contains sand stone material with certain granularity, so that the tail end of the insertion end reaches the bottom surface of the die to ensure the distance between the two walls, and further ensure the insertion length of the steel bar truss.
In summary, the invention has the advantages of simple structure, convenient and quick operation and good construction quality, the invention can ensure the distance between the steel bars in the first wall body and the second wall body and the corresponding bottom surfaces of the dies to meet the construction design requirement, meanwhile, the pointed insertion end of the rod body can avoid the sand and stone in the concrete of the second wall body to be smoothly inserted, the other ends of the insertion end and the steel bar truss are inserted into the concrete of the second wall body, the tail ends of the insertion end are abutted with the bottom surfaces of the dies of the second wall body, and the distance between the first wall body and the second wall body can be ensured.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (5)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010105067.7A CN111168837B (en) | 2020-02-20 | 2020-02-20 | Steel bar spacer and PC wall production method using the steel bar spacer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010105067.7A CN111168837B (en) | 2020-02-20 | 2020-02-20 | Steel bar spacer and PC wall production method using the steel bar spacer |
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| CN111168837A CN111168837A (en) | 2020-05-19 |
| CN111168837B true CN111168837B (en) | 2025-01-28 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056101A (en) * | 2019-05-24 | 2019-07-26 | 三一筑工科技有限公司 | Attachment device, overlapping wall and its production method |
| CN212096864U (en) * | 2020-02-20 | 2020-12-08 | 上海三足鼎新材料股份有限公司 | Be applied to steel bar spacer of PC wall |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2129743T3 (en) * | 1994-12-15 | 1999-06-16 | Klinger Robert Gmbh | DEVICE FOR UNION FORMWORK PLATES, FORMWORK FOR UNION ASI PRODUCED, AND MANUFACTURING PROCEDURE. |
| JP2002088976A (en) * | 2000-09-19 | 2002-03-27 | Takahashi Seisakusho:Kk | Sheath support bracket for rebar |
| JP2002115396A (en) * | 2000-10-04 | 2002-04-19 | Yoshio Gunji | Reinforcing bar fixing separator |
| US7409801B2 (en) * | 2004-03-16 | 2008-08-12 | Tritex Icf Products, Inc. | Prefabricated foam block concrete forms with open tooth connection means |
| US7444789B1 (en) * | 2005-03-14 | 2008-11-04 | Moore Daniel W | Insulated concrete form holder |
| US8037652B2 (en) * | 2006-06-14 | 2011-10-18 | Encon Environmental Construction Solutions Inc. | Insulated concrete form |
| CN103302722B (en) * | 2013-06-08 | 2015-09-23 | 中建八局第一建设有限公司青岛分公司 | A kind of preparation method of construction High Strength Concrete split heads |
| CN204703385U (en) * | 2015-03-27 | 2015-10-14 | 中国建筑第八工程局有限公司 | Steel bar horse-shaped bench |
| CN207224231U (en) * | 2017-09-30 | 2018-04-13 | 承德绿建建筑节能科技有限公司 | For pouring the mould and precast wall body of precast wall body |
| CN109372180B (en) * | 2018-12-05 | 2024-02-09 | 中国建筑标准设计研究院有限公司 | Stainless steel connecting piece for prefabricated sandwich heat-insulating wallboard, heat-insulating wallboard and construction method |
| CN209670362U (en) * | 2019-01-29 | 2019-11-22 | 中国十七冶集团有限公司 | A kind of control device of cast-in-place concrete floor and thickness of protection tier |
-
2020
- 2020-02-20 CN CN202010105067.7A patent/CN111168837B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056101A (en) * | 2019-05-24 | 2019-07-26 | 三一筑工科技有限公司 | Attachment device, overlapping wall and its production method |
| CN212096864U (en) * | 2020-02-20 | 2020-12-08 | 上海三足鼎新材料股份有限公司 | Be applied to steel bar spacer of PC wall |
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