CN216475700U - Connecting piece based on assembled composite wall - Google Patents
Connecting piece based on assembled composite wall Download PDFInfo
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- CN216475700U CN216475700U CN202122274285.6U CN202122274285U CN216475700U CN 216475700 U CN216475700 U CN 216475700U CN 202122274285 U CN202122274285 U CN 202122274285U CN 216475700 U CN216475700 U CN 216475700U
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Abstract
The utility model discloses a connecting piece based on an assembled composite wall, belonging to the technical field of assembled concrete buildings, and comprising: the upper reinforcing steel bar connecting piece and the lower reinforcing steel bar connecting piece are used for connecting the adjacent composite wall body a and the composite wall body b; the upper portion steel bar coupler includes: first connecting piece and first web, lower part steel bar connection spare includes: the composite wall comprises a bottom plate and a second web plate, wherein the upper end of a first connecting piece is fixedly connected with the lower end of the composite wall body a, the lower end of the first connecting piece is fixedly connected with one end of the first web plate, the lower end of the bottom plate is fixedly connected with the upper end of the composite wall body b, the upper end of the bottom plate is fixedly connected with one end of the second web plate, and the first web plate is fixedly connected with the second web plate. The connection mode of the scheme is dry connection, and compared with the traditional wet connection mode, the wet connection mode has the advantages of high accuracy, convenience and rapidness in construction, capability of avoiding on-site wet operation, reliability in connection, clear force transmission and the like, and accords with the development trend of building industrialization.
Description
Technical Field
The utility model relates to the technical field of fabricated concrete buildings, in particular to a connecting piece based on a fabricated composite wall.
Background
The problems of unreasonable structural design, poor earthquake resistance, low energy saving rate and low construction efficiency are always faced by the residential construction in villages and towns areas in China. In the face of the above problems, it is needed to change the traditional house construction mode and to greatly advance the development of house industrialization. The 'twelve five' and 'thirteen five' periods are key periods for the rapid development of industrialization and urbanization in China.
The assembled wall structure is one of effective ways for realizing the modernization of the housing industry, and has the advantages of good component quality, high production efficiency, high on-site assembly construction speed, greatly reduced labor intensity, easily ensured quality, energy conservation, emission reduction, environmental protection and the like. The assembled composite wall structure is a building structure system which consumes energy and reduces shock, is ecological and environment-friendly, saves energy and keeps warm, is built quickly, and is economical and practical. The composite wallboard adopts a factory prefabrication production mode, and the prefabricated components can improve the quality and simultaneously realize the aims of large-scale and standardized production through factory production.
For the assembled composite wall structure, the connection performance of the vertical steel bars between the upper wall body and the lower wall body is a key factor influencing the anti-seismic performance of the structure. The upper wall body and the lower wall body are connected into a whole through the vertical steel bars, so that the connection quality of the vertical steel bars directly determines the stress and the seismic performance of the assembled shear wall structure.
At present, the traditional connection modes mainly comprise sleeve grouting connection, slurry anchor overlapping, cast-in-place section connection, mixed connection and the like. However, such wet connection methods require wet operations on site, and have the problems of complicated construction, high construction cost, steel waste, low safety and the like, so that it is difficult to achieve the equivalent cast-in-place connection effect of the fabricated composite wall structure at the horizontal connection position.
In view of the above, a connector for horizontal seam connection of prefabricated composite wall structure is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the problems and provides a connecting piece based on an assembled composite wall.
The technical scheme adopted by the utility model is as follows: a fabricated composite wall-based connector, comprising: the upper reinforcing steel bar connecting piece and the lower reinforcing steel bar connecting piece are used for connecting the adjacent composite wall body a and the composite wall body b;
the upper reinforcing bar coupler includes: a first connecting piece and a first web plate,
the lower reinforcing bar coupler includes: a bottom plate and a second web plate,
wherein the upper end of the first connecting piece is fixedly connected with the lower end of the composite wall body a, the lower end of the first connecting piece is fixedly connected with one end of the first web plate,
the lower end of the bottom plate is fixedly connected with the upper end of the composite wall body b, the upper end of the bottom plate is fixedly connected with one end of the second web plate,
the first web plate is fixedly connected with the second web plate.
Further, the first connecting member includes: a top plate and anchor bars;
one end of each anchor bar is fixedly connected with the upper end face of the top plate, and the other end of each anchor bar is fixedly connected with the lower end of the composite wall a;
the lower end face of the top plate is fixedly connected with the first web plate.
Further, each of the first web and the second web is provided with a pair,
the two first webs are fixedly connected on the lower end surface of the top plate in parallel with a space left between the two first webs,
the two second webs are fixedly connected on the upper end surface of the bottom plate in parallel with a space left between the two second webs,
wherein the distance between the inner walls of the two first webs is larger than or equal to the distance between the outer walls of the two second webs,
or the distance between the two inner walls of the second web plate is larger than or equal to the distance between the two outer walls of the first web plate,
all be equipped with a plurality of bolt holes on two first webs and two second webs, just first web with the second web passes through bolt fixed connection.
Furthermore, the anchor bars are provided with a pair of anchor bars, and the distance between the anchor bars is adapted to the distance between the longitudinal bars of the side rib column in the composite wall body a.
Furthermore, a backing plate is sleeved on the bolt.
Furthermore, a through hole is arranged on the bottom plate in a penetrating mode, and the bottom plate is fixedly connected with the composite wall plate b through a connecting steel bar through the through hole.
Furthermore, the anchor bars are of U-shaped structures, and the bottoms of the U-shaped structures are fixedly connected with the upper end faces of the top plates.
Furthermore, a plurality of threaded holes are formed in the middle of the bottom plate.
Further, the threaded hole is a round-corner rectangular hole.
The utility model has the beneficial effects that:
1. the connection mode of the scheme is dry connection, and compared with the traditional wet connection mode, the wet connection mode has the advantages of high accuracy, convenience and rapidness in construction, capability of avoiding on-site wet operation, reliability in connection, clear force transmission and the like, and accords with the development trend of building industrialization.
2. The upper and lower main bodies of the connecting piece are formed by welding regular rectangular steel plate reserved bolt holes, and the connecting piece is easy to process, manufacture and produce in a standardized mode.
3. Through opening fillet rectangle bolt hole in this connecting piece lower part main part bottom plate bottom, on the basis of guaranteeing reliable connection, provided sufficient assembly tolerance, connect and to carry out position control along this slotted hole during the assembly, guaranteed construction operation's feasibility of execution, had stronger application spreading value.
4. The seam splicing processing mode adopted in the scheme is simple to operate, good in compactness and reliable in connection performance.
5. The connecting piece is connected with one side of the wall body through the bolt, the wall body at the other side is not damaged, the damage to the wall body is reduced, the installation and the operation are easy, and materials and processes are saved
6. After the upper wall body and the lower wall body are connected, the bolt hand holes are filled with grouting materials with high strength and are trowelled with the surfaces of the upper wall body and the lower wall body, so that the wall surface is smooth, the reinforcing steel bar connecting pieces can be protected, and the durability of the reinforcing steel bar connecting pieces is improved.
7. High-strength non-shrinkage mortar is laid at the top splicing seam of the lower wallboard layer for closely connecting the splicing seam interface, so that effective force transmission between the upper and lower prefabricated wall bodies is guaranteed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic plan view of a fabricated composite wall according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a fabricated composite wall according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating the structure of an upper reinforcing bar coupler according to an embodiment of the present invention;
fig. 4 is a structural view of a lower reinforcing bar coupler according to an embodiment of the present invention.
Reference numerals:
1 is prefabricated composite wall panel of upper strata, 2 is prefabricated composite wall panel of lower floor, 3 is vertical muscle, 402 is the bottom plate, 403 is the anchor bar, 404 is the tie-bar, 405 is first web, 406 is the second web, 408 is the bolt, 409 is the backing plate, 410 is the roof, 411 is first bolt hole, 412 is the second bolt hole, 413 is the screw hole, 602 is prefabricated coincide bottom plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In one aspect, referring to fig. 1 to 4, as shown in fig. 1 to 4, a connector based on a fabricated composite wall includes: the upper reinforcing steel bar connecting piece and the lower reinforcing steel bar connecting piece are used for connecting the adjacent composite wall body a and the composite wall body b;
the upper reinforcing bar coupler includes: a first connecting member and a first web 405,
the lower reinforcing bar coupler includes: a base plate 402 and a second web 406,
wherein, the upper end of the first connecting piece is fixedly connected with the lower end of the composite wall body a, the lower end of the first connecting piece is fixedly connected with one end of the first web 411,
the lower end of the bottom plate 402 is fixedly connected with the upper end of the composite wall body, the upper end of the bottom plate 402 is fixedly connected with one end of the second web 406,
the first web 411 is fixedly connected to the second web 406.
The main invention of the scheme is that the upper connecting piece is replaced by the lower connecting piece, when in connection, only connecting steel bars need to be inserted, connecting gaskets are put in, nuts are screwed, and then the upper main body and the lower main body are connected through four high-strength bolts, so that the upper wallboard and the lower wallboard can be connected into a whole, and force transmission is reliable.
Further, the first connecting member includes: top plate 410 and anchor bars 403;
one end of the anchor bar 403 is fixedly connected with the upper end face of the top plate 410, and the other end of the anchor bar 403 is fixedly connected with the lower end of the composite wall a;
the lower end surface of the top plate 410 is fixedly connected to the first web 405.
It should be noted that the top plate is used for bearing the anchor bars and the first web plate and playing a role of a carrier; the anchor bars are used for connecting the anchor bars with the longitudinal bars of the composite wall body at the upper part, so that the upper steel bar connecting piece is fixed on the composite wall body at the upper part; the first web plate is used for facilitating the connection of the upper reinforcing steel bar connecting piece and the lower reinforcing steel bar connecting piece.
Further, each of the first web 405 and the second web 406 is provided with a pair,
two first webs 405 are fixedly connected to the lower end surface of the top plate 410 in parallel, with a space left therebetween,
two second webs 406 are fixedly connected to the upper end face of the bottom plate 402 in parallel, with a gap left therebetween,
wherein the distance between the inner walls of the two first webs 405 is larger than or equal to the distance between the outer walls of the two second webs 406,
alternatively, the distance between the inner walls of the two second webs 406 is greater than or equal to the distance between the outer walls of the two first webs 405,
a plurality of bolt holes are formed in each of the two first webs 405 and the two second webs 406, and the first webs 405 and the second webs 406 are fixedly connected through bolts 408.
It should be noted that the arrangement of the bolt holes mainly has the effect of facilitating the connection between the first web and the second web, wherein the first bolt hole 411 on the first web and the second bolt hole 412 on the second web are connected by the bolt connection, so that the connection between the upper composite wall and the lower composite wall is realized.
Furthermore, a pair of anchor bars 403 is provided, and the distance between the anchor bars 403 is adapted to the distance between the side rib column longitudinal bars 3 in the composite wall a.
Furthermore, a backing plate 409 is sleeved on the bolt 408.
Wherein, the main effect of backing plate is, prevents that the bolt from avoiding the phenomenon that the bolt skidded when connecting first web and second web, has also avoided first web of bolt fish tail or second web simultaneously.
In an embodiment of the present invention, a through hole is formed through the bottom plate 402, and the bottom plate 402 is fixedly connected to the composite wall panel b through the through hole by a connecting steel bar 404.
In an embodiment of the present invention, the anchor bar 403 is a U-shaped structure, and the bottom of the U-shaped structure is fixedly connected to the upper end surface of the top plate.
In an embodiment of the present invention, a plurality of threaded holes 413 are formed in the middle of the bottom plate 402.
In an embodiment of the present invention, the threaded hole 413 is a rounded rectangular hole.
It should be noted that, round corner rectangle bolt hole has guaranteed the displacement adjustment when inserting and the fixed position of connecting reinforcement, only needs to insert connecting reinforcement during the connection, puts into the connecting pad, screws up the nut, and is connected upper and lower part main part through four high strength bolt again, can become whole with upper and lower layer wallboard connection, and passes power reliably.
On the other hand, this scheme provides a composite wall, includes: an upper-layer prefabricated composite wallboard 1, a lower-layer prefabricated composite wallboard 2 and a prefabricated superposed bottom plate 602,
the prefabricated superposed bottom plate 602 is fixedly connected to the upper end face of the lower prefabricated composite wall panel 1,
wherein the upper end of the first connecting piece is fixedly connected with the lower end of the upper-layer prefabricated composite wall panel 1,
the lower end of the bottom plate 402 is fixedly connected with the upper end of the prefabricated superposed bottom plate 602.
It should be noted that a cast-in-place layer is further arranged between the bottom plate and the prefabricated superposed bottom plate, and the cast-in-place layer mainly has the functions of enhancing the rigidity of the lower prefabricated composite wallboard and simultaneously sealing and filling the hole grooves left in the processing and component connecting processes on the lower prefabricated composite wallboard.
Further, longitudinal ribs 3 are arranged in the upper-layer prefabricated composite wallboard 1;
connecting steel bars 404 are arranged in the lower prefabricated composite wall panel 2, and the connecting steel bars 404 exceed the upper end face of the lower prefabricated composite wall panel 2;
the prefabricated superposed bottom plate 602 penetrates through the connecting steel bars 404 to be fixedly connected to the upper end face of the lower prefabricated composite wall panel 2;
wherein, the upper end of the connecting reinforcement bar 404 is fixedly connected with the bottom plate 402.
It should be noted that two embedded connecting bars at the top of the prefabricated composite wallboard of the lower floor, the top of the connecting bar is provided with a screw thread with a proper length, the top surface of the wallboard of the lower floor is extended out, the prefabricated superposed bottom plate is penetrated, the lower part of the reinforcing bar connecting piece is extended into a main body fillet rectangle during assembly, and then a gasket and a nut are matched for connecting the wall of the upper part and the wall of the lower part.
The utility model provides a connecting piece based on an assembly type composite wall, which comprises the following components in part by weight:
the production of the prefabricated composite wall board, binding the reinforcing steel bars of the composite wall body, embedding connecting reinforcing steel bars on the upper part of the side rib column of the prefabricated composite wall board on the lower layer, and embedding the upper main body of the upper reinforcing steel bar connecting piece on the lower part of the side rib column of the prefabricated composite wall board on the upper layer;
then, overlapping the anchor bars with the longitudinal bars of the side rib columns, carrying out stirrup encryption on the overlapped sections, erecting a mold, pouring concrete, and removing the mold to form the prefabricated composite wallboard;
then, penetrating the connecting steel bars into bolt holes on a bottom plate of the lower steel bar connecting piece, placing gaskets and high-strength nuts, enabling the centers of the connecting steel bars, the gaskets and the high-strength nuts to coincide, and fastening the nuts to enable the lower main body of the lower steel bar connecting piece to be connected with the lower prefabricated composite wallboard;
then, hoisting the upper-layer prefabricated composite wallboard to an installation position, and paving 10mm high-strength shrinkage-free mortar on a top joint interface of the lower-layer composite wallboard before the upper-layer prefabricated composite wallboard is in place;
and then, overlapping the bolt hole on the second web plate of the lower steel bar connecting piece with the bolt hole on the first web plate of the upper steel bar connecting piece, then placing a backing plate, a high-strength bolt, a gasket and a nut, and fastening the nut to form the upper wall body and the lower wall body into a whole.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A connecting piece based on an assembled composite wall body is characterized by comprising: the upper reinforcing steel bar connecting piece and the lower reinforcing steel bar connecting piece are used for connecting the adjacent composite wall body a and the composite wall body b;
the upper reinforcing bar coupler includes: a first connecting piece and a first web plate,
the lower reinforcing bar coupler includes: a bottom plate and a second web plate,
wherein the upper end of the first connecting piece is fixedly connected with the lower end of the composite wall body a, the lower end of the first connecting piece is fixedly connected with one end of the first web plate,
the lower end of the bottom plate is fixedly connected with the upper end of the composite wall body b, the upper end of the bottom plate is fixedly connected with one end of the second web plate,
the first web plate is fixedly connected with the second web plate.
2. The fabricated composite wall-based connector according to claim 1, wherein the first connector comprises: a top plate and anchor bars;
one end of each anchor bar is fixedly connected with the upper end face of the top plate, and the other end of each anchor bar is fixedly connected with the lower end of the composite wall a;
the lower end face of the top plate is fixedly connected with the first web plate.
3. The fabricated composite wall-based connecting member as recited in claim 2, wherein each of the first and second webs is provided with a pair,
the two first webs are fixedly connected on the lower end surface of the top plate in parallel with a space left between the two first webs,
the two second webs are fixedly connected on the upper end surface of the bottom plate in parallel with a space left between the two second webs,
wherein the distance between the inner walls of the two first webs is larger than or equal to the distance between the outer walls of the two second webs,
or the distance between the two inner walls of the second web plate is larger than or equal to the distance between the two outer walls of the first web plate,
all be equipped with a plurality of bolt holes on two first webs and two second webs, just first web with the second web passes through bolt fixed connection.
4. The fabricated composite wall-based connecting member as recited in claim 2, wherein the anchor bars are provided in a pair, and the distance between the anchor bars is adapted to the distance between the longitudinal ribs of the side rib column in the composite wall a.
5. The fabricated composite wall-based connecting member according to claim 3, wherein a backing plate is sleeved on the bolt.
6. The fabricated composite wall-based connecting member according to claim 1, wherein a through hole is formed through the bottom plate, and the bottom plate is fixedly connected with the composite wall b through the through hole by a connecting steel bar.
7. The fabricated composite wall-based connecting member as recited in claim 4, wherein the anchor bars are of a U-shaped structure, and the bottom of the U-shaped structure is fixedly connected with the upper end surface of the top plate.
8. The fabricated composite wall-based connecting member according to claim 6, wherein a plurality of screw holes are formed at a middle position of the base plate.
9. The fabricated composite wall-based connecting member according to claim 8, wherein the threaded hole is a rounded rectangular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122274285.6U CN216475700U (en) | 2021-09-18 | 2021-09-18 | Connecting piece based on assembled composite wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122274285.6U CN216475700U (en) | 2021-09-18 | 2021-09-18 | Connecting piece based on assembled composite wall |
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| CN216475700U true CN216475700U (en) | 2022-05-10 |
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| CN202122274285.6U Active CN216475700U (en) | 2021-09-18 | 2021-09-18 | Connecting piece based on assembled composite wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115627842A (en) * | 2022-12-22 | 2023-01-20 | 中冶建筑研究总院有限公司 | Assembled concrete shear force wall horizontal connection structure |
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2021
- 2021-09-18 CN CN202122274285.6U patent/CN216475700U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115627842A (en) * | 2022-12-22 | 2023-01-20 | 中冶建筑研究总院有限公司 | Assembled concrete shear force wall horizontal connection structure |
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Effective date of registration: 20230417 Address after: 712000, Room 1402, 14th Floor, Block 3-D, Zone 3, Phase I, Energy Jinmao Zone, Fengdong New City, Xixian New District, Xi'an City, Shaanxi Province Patentee after: Shaanxi Qinchuang Matrix Construction Technology Co.,Ltd. Address before: 712000 Room 601, building 4-b1, Xixian financial innovation port, northwest corner of the intersection of Fengxin road and Fengjing Avenue, Fengdong new town, Xixian New District, Xi'an City, Shaanxi Province Patentee before: Xixian New Area nengjin Matrix Construction Technology Co.,Ltd. |