CN215630801U - Connecting structure of prefabricated assembled concrete wallboard - Google Patents
Connecting structure of prefabricated assembled concrete wallboard Download PDFInfo
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- CN215630801U CN215630801U CN202022764258.2U CN202022764258U CN215630801U CN 215630801 U CN215630801 U CN 215630801U CN 202022764258 U CN202022764258 U CN 202022764258U CN 215630801 U CN215630801 U CN 215630801U
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Abstract
The utility model provides a prefabricated concrete wallboard connecting structure which comprises a wallboard body, wherein a plurality of vertically arranged steel bar through holes are formed in the wallboard body, the steel bar through holes are formed by metal corrugated pipes pre-embedded before concrete is poured in a component factory, and pouring grooves are formed in the side edges of the wallboard body. The four sides of the wallboard of the connection structure are not provided with ribs, and the field connection comprises vertical connection and horizontal connection, wherein the vertical connection is that reinforcing steel bars are inserted into the embedded metal corrugated pipe and concrete is poured into the embedded metal corrugated pipe, and the vertical reinforcing steel bars are in lap joint, welding or mechanical connection; the horizontal connection of the wall board is that truss ribs are placed in the pouring grooves on the side edges of the wall board, and necessary vertical reinforcing steel bars and horizontal reinforcing steel bars are used as auxiliary materials. The four sides of the wall board are not provided with ribs, so that the wall board is convenient for factory production; the process of connecting the grouting-free sleeve on site has low cost, reliable connection and high construction efficiency; the four-side pouring groove of the wallboard and the post-poured concrete form a strong mechanical joint surface and have a good waterproof effect.
Description
Technical Field
The utility model relates to the technical field of assembly type building construction, in particular to a prefabricated assembly type concrete wallboard, a connecting structure and a construction method thereof.
Background
At present, the connection of prefabricated wall bodies on the upper and lower layers of the assembled integral concrete wall generally adopts the forms of steel bar sleeve grouting connection, slurry anchor lap joint, bolt connection, indirect lap joint of double-sided superposed walls and the like. The problems of high construction precision requirement, high compactness detection difficulty, high cost and the like exist in the grouting connection of the steel bar sleeve and the lapping of the grout anchor; the bolt connection has the adverse effect of weakening the section of the wall body; the double-sided superposed wall has the problems of easy expansion of the mould, large steel consumption and the like. In addition, except for the connecting structure of the double-sided superposed wall, the side surfaces of the other three wall bodies need to be connected with the cast-in-place section through the drawknot by the overhanging steel bars. Besides the double-sided superposed wall, the horizontal connecting joints of the other three walls are not more than 20mm, and the joints are filled only by grouting or mortar sitting layers, so that the hidden danger of water leakage exists.
According to the current standard requirements, ribs need to be formed on the side edges of the prefabricated shear wall, and grooves need to be formed in a mold during production of prefabricated parts, so that the mold cost is increased, and the production efficiency of the prefabricated parts is reduced due to the fact that a flow line construction process cannot be adopted; meanwhile, due to the fact that ribs are formed on the side edges, the components are inconvenient to transport, and the transport cost is increased. In addition, when the prefabricated wall bodies are connected through the nodes and the cast-in-place wall bodies, the horizontal reinforcing steel bars extending out of the prefabricated wall bodies, the additional reinforcing steel bars and the vertical reinforcing steel bars placed on the post-cast nodes have the problem of reinforcing steel bar collision, and accordingly construction speed is reduced.
Therefore, a solution with safe structure, high production efficiency, rapid construction, and reliable water resistance is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a prefabricated concrete wallboard, which is used for solving the problems of unreliable connection, low production efficiency, complex construction process, poor waterproof effect and the like of the prefabricated concrete wallboard in the prior art.
The second technical problem to be solved by the utility model is to provide a prefabricated concrete wallboard connecting structure.
In order to solve the first technical problem, the utility model adopts the technical scheme that: the utility model provides a prefabricated assembled concrete wallboard, includes the wallboard body, the wallboard body is the rectangle, be equipped with the bar perforation of a plurality of vertical settings on the wallboard body, the bar perforation runs through from top to bottom the wallboard body, be equipped with a plurality of connecting holes on the inside wall of wallboard body lower part, each the connecting hole corresponds one the bar perforation just link up rather than mutually, wallboard body side is equipped with pours the groove, pours the border that the groove is located wallboard body side or the inside and outside both sides of wallboard body, it is semi-circular, rectangle or other shape recesses to pour the groove.
Preferably, the inside pre-buried framework of steel reinforcement that has of wallboard body, framework of steel reinforcement comprises a plurality of vertical and level to the reinforcing bar.
Preferably, the steel bar through holes are uniformly distributed, any two adjacent connecting holes are arranged in a vertically staggered mode, and the steel bar through holes are formed by embedded metal corrugated pipes.
In order to solve the second technical problem, the utility model adopts the following technical scheme: the utility model provides a prefabricated assembled concrete wallboard connection structure, includes above prefabricated assembled concrete wallboard, upper and lower adjacent two prefabricated assembled concrete wallboard is through a plurality of running through the fenestrate steel bar connection of reinforcing bar controls the pouring inslot between two blocks of wallboards and is equipped with the truss muscle, and the wallboard that is about to have the truss muscle inserts another wallboard and pours the inslot, controls adjacent two concrete has been pour in pouring the inslot between the prefabricated assembled concrete wallboard.
Preferably, a fastener is arranged in the connecting hole, and the upper reinforcing steel bar and the lower reinforcing steel bar are fixedly connected through the fastener.
The utility model has the following beneficial effects:
1. according to the prefabricated concrete wall board provided by the utility model, the pouring grooves are formed in the connection parts of the periphery of the prefabricated wall body, and the prefabricated wall body is fixedly connected with the ground or another prefabricated wall body by pouring fillers into the pouring grooves. Utilize the groove structure of pouring need not to carry out bed hedgehopping to prefabricated wall body when the construction, has effectively improved water-proof effects, and has saved the step of bed hedgehopping, has improved site operation efficiency to a certain extent. In addition, the filler in the casting groove also plays a role in resisting horizontal force.
2. The side edge of the wall body does not extend outwards to form the steel bar, so that the standardized production of a factory is facilitated, the rapid installation can be realized by matching the technology of forming the truss rib in the field construction, and the construction efficiency is improved.
3. The precast concrete wallboard is produced by adopting a production line, the truss ribs embedded in the wallboard can be automatically produced, a die does not need to be opened during prefabrication, a formwork does not need to be erected during site construction, the precast concrete wallboard is convenient and quick to produce, transport and assemble, the structure is firm, and the construction efficiency is greatly improved.
Because the inside pre-buried steel bar framework that has of wallboard body, steel bar framework can play reinforced (rfd) effect to the wall body structure.
Because the reinforcing bar is perforated and is evenly arranged, arbitrary adjacent two the crisscross setting of connecting hole can make all reinforcing bars not be connected at same cross-section (horizontal plane), and the preferred rectangle of connecting hole is so that reserve the construction space for constructor, convenient construction.
Because the steel bar perforation is formed by the embedded metal corrugated pipe, the metal pipe is left in the prefabricated wall body after the concrete is solidified and formed at one time without being drawn out, and the inner wall of the embedded metal corrugated pipe can also be manufactured into a rough surface, so that the side wall of the steel bar perforation is rough, and the combination with post-cast concrete is facilitated.
Because threaded fastener is arranged in the connecting hole, the upper reinforcing steel bar and the lower reinforcing steel bar are fixedly connected through the threaded fastener, so that the connecting and the disassembling are convenient, and the construction efficiency is greatly improved.
Due to the fact that the truss ribs are arranged in the two opposite pouring grooves on the left side and the right side, the truss ribs pre-embedded in the wall body have a reinforcing effect on the structure between the two adjacent wall boards; the truss ribs can be automatically produced, so that the labor cost is reduced; compared with the traditional shear wall steel bar extension, the truss bars are embedded in the wall body, and the die does not need to be provided with holes during production in a prefabricated part factory; the truss ribs are inserted into the grooves, the surfaces of the two wall bodies are tightly combined, only transverse opposite-penetrating steel bars and vertical steel bars need to be inserted during site construction, and local templates are plugged; can improve the production efficiency and the construction progress and reduce the manufacturing cost.
Drawings
The present application is further described below with reference to the drawings and examples.
FIG. 1 is a schematic perspective view of one embodiment of a wall panel body according to the present application;
FIG. 2 is a side view of the structure of FIG. 1;
FIG. 3 is a schematic perspective view of a wall panel without vertical rebars;
FIG. 4 is a block diagram of a wall panel body with truss ribs on one side;
FIG. 5 is a structural diagram of the connection between two adjacent walls;
FIG. 6 is a structural diagram of the connection of an upper wall and a lower wall;
in the figure, 10, the wall panel body; 100. pouring a groove; 101. perforating the reinforcing steel bars; 102. connecting holes; 103. a support hole; 20. reinforcing steel bars; 40. vertical reinforcing steel bars; 41. horizontal reinforcing steel bars; 6. a sleeve; 7. truss ribs.
Detailed Description
As shown in fig. 1 to 4, a prefabricated concrete wall panel connection structure includes a plurality of prefabricated concrete wall panels. Prefabricated assembled concrete wallboard includes wallboard body 10, and wallboard body 10 is the rectangle, and the inside pre-buried framework of steel reinforcement that has of wallboard body 10, framework of steel reinforcement can play reinforced (rfd) effect to wall body structure.
Be equipped with the perforation 101 of the reinforcing bar of a plurality of vertical settings on wallboard body 10, the perforation 101 of reinforcing bar runs through wallboard body 10 from top to bottom, the perforation 101 of reinforcing bar is evenly arranged, arbitrary two adjacent connecting holes 102 crisscross setting, for the constructor reserves out the construction space, convenient construction, reserve the perforation 101 of reinforcing bar of 4 times connecting reinforcement 20 diameters at least in prefabricated wall body, because the perforation 101 space of reinforcing bar is great, therefore the fault-tolerance is strong, atress reinforcing bar 20 inserts very easily, and the grout also easily is full of the perforation 101 of reinforcing bar.
The reinforcing bar perforation 101 is formed by pre-buried metal bellows, has pre-buried metal bellows before the concreting of component factory has formed the reinforcing bar perforation, runs through the through-hole about promptly, and metal bellows does not extract, and pre-buried metal bellows is stayed in the prefabricated wall body and need not take out after the concrete once sets the shaping, does so not only to save the step of extraction, and unsmooth rough surface still can be made into to pre-buried metal bellows inner wall, helps with post-cast concrete closely combined. The inner side wall of the wall plate body 10 is provided with a plurality of connecting holes 102, and each connecting hole 102 corresponds to one steel bar through hole 101 and is communicated with the steel bar through hole. Preferably, the top, bottom, left and right sides of the wall panel body 10 are respectively provided with a casting groove 100, and the casting groove 100 is a semicircular, rectangular or other groove.
Two adjacent prefabricated assembled concrete wall panels from top to bottom are connected through a plurality of reinforcing bars 20 that run through reinforcing bar perforation 101, can be equipped with threaded sleeve 6 in the connecting hole 102, and threaded sleeve 6's upper and lower both ends are connected with a reinforcing bar 20 plug-in connection respectively, and two reinforcing bars 20 pass through sleeve 6 fixed connection about promptly, connect and dismantle the convenience, improve the efficiency of construction greatly. Concrete is poured between the two adjacent prefabricated concrete wallboards on the left and right in the pouring groove 100. Truss ribs 7 are arranged in the two opposite pouring grooves 100 on the left and right, and the truss ribs 7 have a reinforcing effect on the structure between two adjacent wallboards; the truss ribs 7 are embedded in the wall, and the truss ribs 7 can be automatically produced; labor cost is reduced; compared with the traditional shear wall steel bar extension, the truss bars 7 are embedded in the wall body, and the die does not need to be punched when the prefabricated part factory produces the prefabricated part; the truss ribs 7 are inserted into the pouring grooves, the surfaces of the two wall bodies are tightly combined, and excessive formwork support is not needed during site construction; can improve the production efficiency and the construction progress and reduce the manufacturing cost. Preferably, pour groove 100 internal fixation and have vertical reinforcing bar 40, horizontal reinforcing bar 41, mutually support through vertical reinforcing bar 40 and horizontal reinforcing bar 41 and connect the connection that makes between two adjacent prefabricated assembled concrete wall panels more firm, avoid receiving external force fracture between two adjacent wallboard.
As shown in fig. 5 to 6, the construction method using the prefabricated concrete wall panel of the present application includes the following steps:
1) and positioning the lower wall body: transversely arranging a plurality of prefabricated concrete wallboards on the concrete ground in parallel to serve as a lower-layer wall body, wherein support holes 103 in the prefabricated concrete wallboards are used for supporting and fixing the wall body, reinforcing steel bars are inserted into each reinforcing steel bar through hole in the lower-layer wall body, and the pouring grooves between two adjacent prefabricated concrete wallboards are butted to form a pouring cavity;
2) and positioning an upper-layer wall body: installing a prefabricated concrete wallboard above each prefabricated concrete wallboard of the lower-layer wall body and overlapping to form an upper-layer wall body, wherein the top end of each steel bar of the lower-layer wall body is correspondingly inserted into a steel bar through hole of the upper-layer wall body;
3) connecting and fixing; inserting a plurality of reinforcing steel bars into each reinforcing steel bar through hole of the upper wall body from top to bottom one by one, fixedly connecting the reinforcing steel bars of the upper wall body and the lower wall body through connecting hole construction, inserting truss ribs pre-embedded in the wall body into a pouring groove on the side surface of the other wall body and placing vertical reinforcing steel bars for connection, wherein the diameter, the number, the spacing and the like of the reinforcing steel bars are determined according to design requirements;
4) pouring concrete; and respectively pouring concrete into the steel bar perforation and the pouring cavity to finish the wall construction.
According to the demand of actual atress, vertical reinforcing bar 20 can adopt forms such as ligature connection, welding and reinforcing bar threaded fastener connection, is connected through threaded sleeve 6 between the vertical reinforcing bar 20 of upper wall body and lower floor's wall body as an optimal connected mode, and threaded sleeve 6 just pegs graft with the vertical reinforcing bar 20 of upper wall body with the vertical reinforcing bar 20 threaded connection of upper wall body, and not only the efficiency of construction improves greatly, and the quality of connection position is secure moreover.
1. The application provides a precast concrete wallboard, the wall body four sides do not go out the muscle to set up the recess, the vertical pre-buried through-length pre-buried metal bellows of wall body for wear vertical connecting reinforcement. The field connection comprises vertical connection and horizontal connection, wherein the vertical connection is that reinforcing steel bars are inserted into the full-length embedded metal corrugated pipe and concrete is poured into the full-length embedded metal corrugated pipe; the horizontal connection of the wall body is that the formed truss ribs are placed in the grooves on the side edges of the wall body and concrete is poured in situ to form a whole. The process of connecting the grouting-free sleeve on site has low cost, reliable connection and high construction efficiency; the grooves on the four sides of the wall body and the post-cast concrete form a strong mechanical joint surface, and the waterproof effect is good.
2. The wall plate can be pre-embedded with truss ribs, and the truss ribs can be automatically produced; labor cost is reduced; compared with the traditional shear wall steel bar extension, the truss bars are embedded in the wall body, and the die does not need to be provided with holes during production in a prefabricated part factory; the truss ribs are inserted into the grooves, the surfaces of the two wall bodies are tightly combined, and excessive formwork support is not needed during site construction; can improve the production efficiency and the construction progress and reduce the manufacturing cost.
3. The precast concrete wallboard of this application adopts the assembly line construction, cooperates the shaping truss muscle technique to realize quick installation when the site operation, and sound construction, has improved the efficiency of construction greatly.
Claims (2)
1. A connecting structure of prefabricated concrete wallboards is characterized by comprising prefabricated concrete wallboards, wherein each prefabricated concrete wallboard comprises a wallboard body, the wallboard body is rectangular, a plurality of vertically arranged reinforcing steel bar through holes are formed in the wallboard body, the reinforcing steel bar through holes vertically penetrate through the wallboard body, a plurality of connecting holes are formed in the side wall of one side of the lower portion of the wallboard body, each connecting hole corresponds to one reinforcing steel bar through hole and is communicated with the reinforcing steel bar through hole, a pouring groove is formed in the side edge of the wallboard body, a reinforcing steel bar framework is pre-embedded in the wallboard body, the reinforcing steel bar through holes are uniformly distributed, any two adjacent connecting holes are vertically staggered, the reinforcing steel bar through holes are formed by pre-embedded metal corrugated pipes, the two vertically adjacent prefabricated concrete wallboards are connected through a plurality of reinforcing steel bars penetrating through the reinforcing steel bar through holes, the concrete is poured between the left prefabricated assembly type concrete wall board and the right prefabricated assembly type concrete wall board in the pouring groove, a fastening piece is arranged in the connecting hole, and the upper reinforcing steel bar and the lower reinforcing steel bar are fixedly connected through the fastening piece.
2. The prefabricated concrete wall panel connecting structure according to claim 1, wherein truss ribs are arranged in the left and right opposite pouring grooves and fixedly connected with one of the prefabricated concrete wall panels.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022764258.2U CN215630801U (en) | 2020-11-25 | 2020-11-25 | Connecting structure of prefabricated assembled concrete wallboard |
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| CN202022764258.2U CN215630801U (en) | 2020-11-25 | 2020-11-25 | Connecting structure of prefabricated assembled concrete wallboard |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961017A (en) * | 2022-05-31 | 2022-08-30 | 中国建筑第五工程局有限公司 | Prefabricated component for assembly type green building |
| CN115478609A (en) * | 2022-10-28 | 2022-12-16 | 四川大学 | Assembled cast-in-place concrete space box structure system |
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2020
- 2020-11-25 CN CN202022764258.2U patent/CN215630801U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961017A (en) * | 2022-05-31 | 2022-08-30 | 中国建筑第五工程局有限公司 | Prefabricated component for assembly type green building |
| CN114961017B (en) * | 2022-05-31 | 2024-01-26 | 中国建筑第五工程局有限公司 | Prefabricated component for assembled green building |
| CN115478609A (en) * | 2022-10-28 | 2022-12-16 | 四川大学 | Assembled cast-in-place concrete space box structure system |
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