CN219825715U - Superimposed shear wall with embedded single-layer reinforcing steel meshes and toughness enhancement - Google Patents
Superimposed shear wall with embedded single-layer reinforcing steel meshes and toughness enhancement Download PDFInfo
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- CN219825715U CN219825715U CN202320528000.3U CN202320528000U CN219825715U CN 219825715 U CN219825715 U CN 219825715U CN 202320528000 U CN202320528000 U CN 202320528000U CN 219825715 U CN219825715 U CN 219825715U
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- 239000002356 single layer Substances 0.000 title claims abstract description 47
- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims abstract description 45
- 239000010410 layer Substances 0.000 claims abstract description 68
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 238000007493 shaping process Methods 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 36
- 238000009415 formwork Methods 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004567 concrete Substances 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract 2
- 230000009172 bursting Effects 0.000 abstract 1
- 239000011150 reinforced concrete Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 239000000835 fiber Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000011178 precast concrete Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000012783 reinforcing fiber Substances 0.000 description 3
- 238000009416 shuttering Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Abstract
The utility model discloses a pre-buried single-layer reinforcing steel mesh toughness reinforced superimposed shear wall, which relates to the technical field of assembled buildings and comprises the following components: the reinforced concrete molding device comprises a toughness reinforced prefabricated layer, a single-layer reinforcing steel mesh, a positioning connecting piece and a molding form; embedding part of steel bars in the single-layer steel bar mesh self-toughness reinforcing prefabricated layer from one surface of the single-layer steel bar mesh self-toughness reinforcing prefabricated layer to the toughness reinforcing prefabricated layer; the number of the positioning connecting pieces is multiple, and one ends of the positioning connecting pieces are embedded in the toughness reinforcing prefabricated layer; the shaping mould shell is parallel to the toughness reinforcing prefabricated layer and is arranged at intervals, a cavity is formed in the middle of the shaping mould shell, and the shaping mould shell is detachably connected with one end, away from the toughness reinforcing prefabricated layer, of the positioning connecting pieces. The utility model solves the problems of heavy weight, difficult transportation and hoisting, difficult connection of upper and lower layers of walls and the like of the superimposed shear wall in the current assembly field, and also solves the problem of bursting of the mould shell of the superimposed shear wall in the post-pouring concrete process. In a word, the utility model is expected to bring greater economic benefit and social value to the industry.
Description
Technical Field
The utility model relates to the technical field of assembled shear walls in the fields of civil engineering and construction, in particular to a pre-buried single-layer reinforcing steel mesh toughness reinforced superimposed shear wall.
Background
The fabricated building is a building which is manufactured by processing building components and accessories in advance in a factory, then transported to a building construction site and assembled and installed on the site in a reliable connection mode.
At present, with the development of economy and science and technology, the advantages of the cast-in-situ building mode gradually disappear, and compared with the traditional cast-in-situ building mode, the assembled building has the characteristics of high component quality, energy conservation, environmental protection, short construction period, manpower conservation and the like, so that the assembled building slowly becomes the important development direction of the building industry in China in the future. In the existing superimposed shear wall, an inner prefabricated wall board and an outer prefabricated wall board are arranged in a plurality, the inner and outer prefabricated wall boards are arranged in parallel to form a pouring cavity, and the integral bonding of the inner and outer prefabricated boards and post-pouring concrete in the pouring cavity is realized by adopting a steel bar truss or arranging a vertical steel bar and embedded steel bar mode to form an integral structure. In the superimposed shear wall disclosed in the patent of the utility model with the publication number of CN211114235U (publication date 2020.07.28), two prefabricated wall boards are arranged in parallel at a certain distance, a pouring cavity is formed in the middle, two steel bar trusses are respectively arranged on the two prefabricated wall boards in an overlapping manner, and finally concrete is poured in the pouring cavity to form an integral structure.
Although the assembled building has a plurality of advantages, in actual construction, the traditional superimposed shear wall still has the problems of heavy weight, difficult transportation and hoisting, complicated connection of upper and lower layers of walls, complex structure, inconvenient operation, burst of the shuttering in the post-pouring concrete process of the wall, and the like.
Therefore, the embedded single-layer reinforcing steel mesh toughness reinforced superimposed shear wall has important effects and significance for application and development of assembled buildings.
Disclosure of Invention
In view of the above, the utility model provides a superimposed shear wall with reinforced toughness of embedded single-layer reinforcing steel meshes, which aims to solve the problems.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an embedded single-layer reinforcing steel mesh toughness reinforced superimposed shear wall, comprising:
a toughness reinforcing prefabricated layer;
a single-layer reinforcing steel bar net sheet; the single-layer reinforcing steel bar net sheet is arranged from the surface of the toughness reinforcing prefabricated layer to the embedded part of reinforcing steel bars in the toughness reinforcing prefabricated layer;
positioning the connecting piece; the number of the positioning connecting pieces is multiple, and one ends of the positioning connecting pieces are embedded in the toughness reinforcing prefabricated layer;
shaping the mould shell; the shaping mould shell is parallel to the toughness reinforcing prefabricated layer and is arranged at intervals, a cavity is formed in the middle of the shaping mould shell, and the shaping mould shell is detachably connected with one ends, away from the toughness reinforcing prefabricated layer, of the positioning connecting pieces.
Through the technical scheme, the strength and the ductility of the prefabricated layer are improved through the toughness reinforced prefabricated layer, and meanwhile, the weight of the prefabricated layer is reduced, so that the prefabricated layer is convenient to transport and hoist; the single-layer reinforcing steel mesh part is pre-buried in the toughness reinforcing prefabricated layer, so that the connection of upper and lower wall reinforcing steel bars is facilitated, and the integrity of post-cast concrete is ensured; the shaping mould shell is detachably connected with the positioning connecting pieces, so that the superimposed shear wall is more stable and firm, the integral anti-seismic performance is improved, the utilization rate of materials is greatly improved, the material cost is reduced, and the national energy-saving and environment-friendly requirements are met.
Preferably, in the above-mentioned toughness-reinforced superimposed shear wall with embedded single-layer reinforcing steel meshes, the single-layer reinforcing steel meshes are composed of horizontally-distributed reinforcing steel bars and vertically-distributed reinforcing steel bars; the vertically distributed steel bars are fully or partially exposed in the cavity.
The technical effects of the technical means are as follows: the integrity of post-cast concrete is enhanced, and the vertical connection of the longitudinal steel bars of the upper and lower wall bodies is more convenient and faster.
Preferably, in the pre-buried single-layer reinforcing steel mesh toughness reinforced superimposed shear wall, the toughness reinforced prefabricated layer is a prefabricated layer added with toughness fibers. The ductile fiber is one or more of polypropylene fiber, polyester fiber, polyethylene fiber, glass fiber or steel fiber.
The technical effects of the technical means are as follows: the strength and ductility of the prefabricated layer are increased, and the problem that the shuttering bursts in the process of post-pouring concrete is avoided.
Preferably, in the above-mentioned toughness reinforced superimposed shear wall with embedded single-layer reinforcing steel meshes, the thickness of the toughness reinforced prefabricated layer is the sum of the thicknesses of the reinforcing steel protection layer and the reinforcing steel mesh embedded in the toughness reinforced prefabricated layer, and the total thickness of the toughness reinforced prefabricated layer is 25mm-40mm.
The technical effects of the technical means are as follows: the thickness of the prefabricated layer is thinned, the weight of the prefabricated layer is greatly reduced, and the prefabricated layer is more beneficial to transportation and hoisting.
Preferably, in the above-mentioned toughness reinforced superimposed shear wall with embedded single-layer reinforcing steel meshes, the surface of the toughness reinforced prefabricated layer facing to one side of the cavity is rugged, and the cross section of the toughness reinforced prefabricated layer is wavy or linear.
The technical effects of the technical means are as follows: the bonding degree of aggregate and the toughness reinforcing prefabricated layer in the post-cast concrete is increased, and the bonding performance and the structural integrity of the concrete are improved.
Preferably, in the above-mentioned toughness reinforced superimposed shear wall with embedded single-layer reinforcing steel meshes, the positioning connecting piece comprises a rod body and a bolt, one end of the rod body is fixed with a steel plate, the steel plate is embedded in the toughness reinforced prefabricated layer, and the end head of the other end of the rod body is provided with a bolt hole; the bolt is in threaded connection with the bolt hole, and the shaping mould shell is pressed on the rod body through the bolt head of the bolt; and the shaping mould shell is provided with a through hole corresponding to the bolt hole.
The technical effects of the technical means are as follows: the detachable structure in the form of the bolt connection is convenient to disassemble and assemble, and the shaping mould shell can be reused, so that the utilization rate of materials is increased, and the national energy-saving and environment-friendly requirements are met.
Preferably, in the reinforced superimposed shear wall with the embedded single-layer reinforcing steel mesh, the shaping formwork is made of light materials and is one or more of color steel plates, galvanized plates, aluminum plates and plastic plates.
The technical effects of the technical means are as follows: the shaping shuttering is made of light materials, so that the weight of the integral member of the shear wall is further reduced, and the transportation and the hoisting are convenient.
Preferably, in the pre-buried single-layer reinforcing steel mesh toughness reinforced superimposed shear wall, the surface of one side of the shaping mould shell facing the cavity is coated with a release agent.
The technical effects of the technical means are as follows: the release agent is coated to facilitate the disassembly of the shaping film shell after the concrete pouring, and the actual operation on site is more convenient.
Preferably, in the pre-buried single-layer reinforcing steel bar net sheet toughness reinforced superimposed shear wall, the arrangement form and the number of the single-layer reinforcing steel bar net sheets can be adjusted according to actual needs so as to adapt to different engineering requirements.
Preferably, in the above-mentioned embedded single-layer reinforcing bar net sheet toughness reinforced superimposed shear wall, the number and the position of the positioning connecting pieces can be adjusted according to actual needs, so as to ensure the overall stability and the reliability of the superimposed shear wall.
Compared with the prior art, the utility model discloses the embedded single-layer reinforcing steel mesh toughness reinforced superimposed shear wall, which has the following beneficial effects:
1. the precast concrete layer adopts the precast concrete layer added with the toughness reinforcing fibers, so that the ductility and the strength of the precast concrete layer are enhanced, the die explosion in the post-pouring concrete process is avoided, and meanwhile, the single-layer reinforcing steel meshes are arranged, so that the precast concrete layer is thinned, the weight of the whole precast wall body is reduced, and the precast concrete layer is more beneficial to hoisting and transportation.
2. The vertically distributed steel bars of the single-layer steel bar net sheet are exposed in the cavity in whole or in part, so that the integrity of the toughness reinforced prefabricated layer and the post-cast concrete is enhanced, the vertical lap joint connection between the vertical bars of the upper wall body and the lower wall body is facilitated, and the connection performance is enhanced.
3. The toughness reinforcing prefabricated layer is arranged in parallel with the shaping mould shell and is connected through the positioning connecting piece, so that the superimposed shear wall is more stable and firm, and the overall anti-seismic performance is improved.
4. The shaping mould shell can be removed after use for recycling, so that the material cost can be greatly reduced, and the national energy-saving and environment-friendly requirements are met.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a three-dimensional structure of a superimposed shear wall according to the present utility model;
FIG. 2 is a side cross-sectional view of the superimposed shear wall provided by the utility model;
fig. 3 is a schematic three-dimensional structure of the positioning connector provided by the utility model.
Wherein:
1-a toughness reinforcing prefabricated layer; 2-a single-layer reinforcing steel bar net sheet; 21-horizontally distributing reinforcing steel bars; 22-vertically distributing reinforcing steel bars; 3-cavity; 4-positioning a connecting piece; 41-a rod body; 42-bolts; 43-steel plate; 5-shaping mould shell.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment of the utility model discloses a pre-buried single-layer steel bar mesh toughness reinforced superimposed shear wall, which comprises a toughness reinforced prefabricated layer 1, a single-layer steel bar mesh 2, a positioning connecting piece 4 and a shaping formwork 5 as shown in figures 1-3.
The toughness reinforcing prefabricated layer 1 is a concrete prefabricated layer added with toughness reinforcing fibers, the single-layer steel bar net sheet 2 is formed by arranging horizontal distribution steel bars 21 and vertical distribution steel bars 22 in a mutually perpendicular mode, the single-layer steel bar net sheet 2 is embedded in the toughness reinforcing prefabricated layer 1, the toughness reinforcing prefabricated layer 1 and the shaping formwork 5 are arranged in parallel and are spaced by 170mm, a cavity 3 is formed in the middle and used for post-pouring concrete, and 2.2 parts of the vertical distribution steel bars of the single-layer steel bar net sheet 2 are exposed in the cavity 3. The surface of the toughness reinforcing prefabricated layer 1 facing the cavity 3 is rugged. One end of each positioning connecting piece is embedded in the toughness reinforcing prefabricated layer, and the other end of each positioning connecting piece is detachably connected with the shaping formwork 5.
In this example, glass fibers were used as the toughness reinforcing fibers.
In this example, the total thickness of the toughness reinforcing preform layer 1 is 30mm.
In this embodiment, the vertically distributed bars 22 are partially exposed to one side of the cavity 3.
In this embodiment, the shaping formwork 5 is made of aluminum.
In this embodiment, the surface of the shaping formwork 5 facing the cavity 3 is coated with a release agent.
In this embodiment, the surface of the toughness reinforcing preform layer 1 facing the cavity 3 is rugged.
In this embodiment, the arrangement form of the single-layer reinforcing mesh sheet 2 is a single-layer bidirectional vertical arrangement.
In the embodiment, the positioning connecting piece 4 comprises a rod body (41) and a bolt (42), wherein a steel plate (43) is fixed at one end of the rod body (41), the steel plate (43) is embedded in the toughness reinforcing prefabricated layer (1), and a bolt hole is formed in the end head of the other end of the rod body (41); the bolt (42) is in threaded connection with the bolt hole, the shaping mould shell (5) is pressed on the rod body (41) through the bolt head of the bolt (42), and a through hole corresponding to the bolt hole is formed in the shaping mould shell (5). The number of the positioning connecting pieces is 15, and the mutual spacing is 500mm.
The construction method of the implementation comprises the following steps:
step one, splicing the shaping formwork 5 and the toughness reinforcing prefabricated layer 1 in a factory through a positioning connecting piece 4, and transporting the shaping formwork to a construction site;
hoisting the shear wall to enable the vertical distribution steel bars 22 exposed out of the upper wallboard part to be in vertical lap joint with reserved steel bars of the floor slab or the vertical distribution steel bars 22 of the lower wallboard part in the cavity 3 of the upper wallboard;
step three, erecting a wall diagonal brace, and installing reinforcing steel bars of edge members, templates and diagonal braces;
coating a release agent on the surface of the shaping mould shell 5 facing the cavity 3;
pouring concrete into the cavity 3;
and step six, dismantling the shaping mould shell 5 after the post-cast concrete is finally solidified, curing the post-cast concrete, and recycling and reusing the dismantled shaping mould shell 5.
The toughness reinforcing precast layer 1 provided by the embodiment is a concrete precast layer added with toughness fibers, and on the premise of reducing the overall weight, the strength and the anti-seismic performance of the precast wall body are ensured, and the building safety is improved. In addition, the part of the steel bars of the single-layer steel bar net sheet 2 are exposed in the cavity, so that the connection performance is more reliable, and the collaboration and the integrity between the components are enhanced. In addition, the utility model has the advantages of high construction efficiency, environmental protection, energy saving and the like.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a pre-buried individual layer reinforcing bar net piece toughness reinforcing superimposed shear wall which characterized in that includes:
a toughness reinforcing preformed layer (1);
a single-layer reinforcing steel mesh (2); the single-layer reinforcing steel bar net sheet (2) is embedded with part of reinforcing steel bars from one surface of the toughness reinforcing prefabricated layer (1) to the inside of the toughness reinforcing prefabricated layer (1);
a positioning connection (4); the number of the positioning connecting pieces (4) is multiple, and one ends of the positioning connecting pieces (4) are embedded in the toughness reinforcing prefabricated layer (1);
a shaping mould shell (5); the shaping mould shell (5) is parallel to the toughness reinforcing prefabricated layer (1) and is arranged at intervals, a cavity (3) is formed in the middle of the shaping mould shell, and the shaping mould shell (5) is detachably connected with one ends, away from the toughness reinforcing prefabricated layer (1), of the positioning connecting pieces (4).
2. The embedded single-layer reinforcing steel mesh toughness reinforced superimposed shear wall according to claim 1, wherein the thickness of the toughness reinforced prefabricated layer (1) is the sum of the thickness of a reinforcing steel protection layer and the thickness of the reinforcing steel in the toughness reinforced prefabricated layer (1) embedded by the single-layer reinforcing steel mesh (2).
3. The embedded single-layer reinforcing steel mesh toughness reinforced superimposed shear wall according to claim 1, wherein the surface of the toughness reinforced prefabricated layer (1) facing to one side of the shaping formwork (5) is uneven, and the cross section of the toughness reinforced prefabricated layer is wavy or linear.
4. The embedded single-layer steel bar mesh toughness reinforced superimposed shear wall according to claim 1, wherein the single-layer steel bar mesh (2) consists of horizontally distributed steel bars (21) and vertically distributed steel bars (22); the vertically distributed steel bars (22) are exposed in the cavity (3) in whole or in part.
5. The embedded single-layer reinforcing steel mesh toughness reinforced superimposed shear wall according to claim 1, wherein the positioning connecting piece (4) comprises a rod body (41) and a bolt (42), a steel plate (43) is fixed at one end of the rod body (41), the steel plate (43) is embedded in the toughness reinforced prefabricated layer (1), and a bolt hole is formed in the end head of the other end of the rod body (41); the bolt (42) is in threaded connection with the bolt hole, and the shaping mould shell (5) is pressed on the rod body (41) through the bolt head of the bolt (42).
6. The embedded single-layer reinforcing steel mesh toughness reinforced superimposed shear wall according to claim 5, wherein through holes corresponding to the bolt holes are formed in the shaping formwork (5).
7. The embedded single-layer reinforcing steel mesh toughness reinforced superimposed shear wall according to claim 1, wherein the shaping formwork (5) is made of color steel plates, galvanized plates, aluminum plates or plastic plates.
8. The embedded single-layer reinforcing steel mesh toughness reinforced superimposed shear wall according to claim 7, wherein the surface of one side of the shaping formwork (5) facing the cavity (3) is coated with a release agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320528000.3U CN219825715U (en) | 2023-03-17 | 2023-03-17 | Superimposed shear wall with embedded single-layer reinforcing steel meshes and toughness enhancement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320528000.3U CN219825715U (en) | 2023-03-17 | 2023-03-17 | Superimposed shear wall with embedded single-layer reinforcing steel meshes and toughness enhancement |
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| Publication Number | Publication Date |
|---|---|
| CN219825715U true CN219825715U (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320528000.3U Active CN219825715U (en) | 2023-03-17 | 2023-03-17 | Superimposed shear wall with embedded single-layer reinforcing steel meshes and toughness enhancement |
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| Country | Link |
|---|---|
| CN (1) | CN219825715U (en) |
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- 2023-03-17 CN CN202320528000.3U patent/CN219825715U/en active Active
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