CN117569485A - Single-sided overlapped form-removing-free hollow wall structure and preparation process thereof - Google Patents
Single-sided overlapped form-removing-free hollow wall structure and preparation process thereof Download PDFInfo
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- CN117569485A CN117569485A CN202311788056.3A CN202311788056A CN117569485A CN 117569485 A CN117569485 A CN 117569485A CN 202311788056 A CN202311788056 A CN 202311788056A CN 117569485 A CN117569485 A CN 117569485A
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- steel bar
- free
- disassembly
- bar system
- wall body
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- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 28
- 238000009415 formwork Methods 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 239000004567 concrete Substances 0.000 claims abstract description 9
- 239000011374 ultra-high-performance concrete Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 43
- 239000010959 steel Substances 0.000 claims description 43
- 239000010410 layer Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 17
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 5
- 239000002356 single layer Substances 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 230000002787 reinforcement Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011372 high-strength concrete Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Retaining Walls (AREA)
Abstract
The invention discloses a single-sided overlapped disassembly-free hollow wall structure and a preparation process thereof, wherein the single-sided overlapped disassembly-free hollow wall structure comprises overlapped wallboards, a wall reinforcing steel bar system is prefabricated on the overlapped wallboards, the single-sided overlapped disassembly-free hollow wall structure further comprises a disassembly-free formwork, a disassembly-free formwork reinforcing steel bar system is arranged in the disassembly-free formwork, a limiting bracket for limiting connection is arranged between the wall reinforcing steel bar system and the disassembly-free formwork reinforcing steel bar system, a cavity is arranged between the overlapped wallboards and the disassembly-free formwork, and the disassembly-free formwork is an ultra-high-performance concrete slab. The invention has the advantages of simple manufacture and low cost, and simultaneously, when the single-sided overlapped form-removal-free hollow wall body prepared by the invention is used for construction, as the two sides do not need to support templates, the split hollow wall body is provided with continuous cavities, namely, the splicing of upper, lower, left and right reinforcing steel bars is facilitated, concrete is continuously poured into the cavities, and the wall body has excellent waterproof performance.
Description
Technical Field
The invention relates to a single-sided overlapped form-removing-free hollow wall structure and a preparation process thereof, belonging to the technical field of prefabricated building materials.
Background
The assembled building is formed by transferring a large amount of field operation work in a traditional building mode to a factory, processing and manufacturing building components and accessories in the factory, transporting to a building construction site, and assembling and installing the building on site through a reliable connection mode, wherein the hollow shear wall is also a common prefabricated building component in the assembled building.
The existing prefabricated wall structural form and construction process in China mainly comprise the following three types:
1. the prefabricated solid shear wall is a main stream prefabricated wall form in China at present, namely: the original appearance of the cast-in-situ shear wall is basically reserved, vertical stress steel bars of the wall are connected by a grouting sleeve, and the prefabricated solid shear wall is simple to manufacture, but has the advantages that a forming die is complex and the manufacturing cost is high; b, the quality is not easy to be ensured by the grouting technology of the small-diameter steel bar sleeve, and the potential safety hazard is large; c, the total amount of the components is large, and the transportation and hoisting problems are more; d, embedding the pipeline is difficult.
2. The hollow wall is formed by a turnover reverse insertion process, and consists of an upper wall body, a lower wall body and a cast-in-situ cavity, wherein the stressed steel bars of the wall body are respectively arranged in the upper wall body and the lower wall body, and the cavities are arranged on the upper side, the lower side, the left side and the right side of the prefabricated wall body, so that the steel bars are convenient to connect; the problem that the solid shear wall body has poor stability, heavy weight and high transportation and hoisting cost is solved by the overturning and reverse insertion process for forming the hollow wall, but a cannot be continuously produced, and two times of forming and two times of maintenance are needed; and b, the molding accuracy is difficult to ensure due to the influence of aggregates such as stones during the inverted insertion molding.
3. The template hollow wall is free from being disassembled, and the template does not participate in stress; the novel wall is not commonly used for a stress wall, and has the following problems that a the template occupies space without dismantling, and the use area is affected; b, the rigidity of the wall body is small, and the wall body is easy to deform; c, when the concrete is poured, the mould is extremely easy to expand; d, the forming equipment is complex, and the production efficiency is low; f, the construction cost of the disassembly-free template is high.
Disclosure of Invention
In view of the above, the invention aims to provide a single-sided overlapped form-removing-free hollow wall structure capable of improving production efficiency and forming fast and high in precision and a preparation process, and the defects of the prior art can be overcome.
The invention aims at realizing the following technical scheme:
the single-sided overlapped form-removing-free hollow wall structure comprises an overlapped wall board, a wall body reinforcing steel bar system is prefabricated on the overlapped wall board, a form-removing-free plate is further arranged in the form-removing-free plate, a limiting bracket used for limiting connection is arranged between the wall body reinforcing steel bar system and the form-removing-free plate reinforcing steel bar system, and a cavity is arranged between the overlapped wall board and the form-removing-free plate.
The single-sided overlapped disassembly-free hollow wall structure is characterized in that the disassembly-free formwork is an ultra-high performance concrete slab.
The single-sided overlapped disassembly-free hollow wall structure is characterized in that the wall body steel bar system is a double-layer bidirectional steel bar net, the middle is assisted with a standing bar, the double-layer steel bar net is bound or welded, one layer of steel bar net of the double-layer bidirectional steel bar net is positioned in an overlapped wallboard, and the other layer of steel bar net is positioned in a cavity.
The single-sided overlapped disassembly-free hollow wall structure is characterized in that the disassembly-free formwork reinforcement system is a single-layer bidirectional reinforcement net and is formed by binding or welding.
The single-sided overlapped disassembly-free hollow wall structure is characterized in that the limiting bracket is Z-shaped and consists of bottom ribs, vertical ribs and top ribs: the bottom ribs are firmly bound and fixed with the wall body reinforcing steel bar system; the top rib is firmly bound and fixed with the disassembly-free template steel bar system; the two ends of the vertical ribs are respectively connected with the bottom ribs and the top ribs and are used for adjusting the height and simultaneously serving as tie ribs to prevent the hollow wall from pouring the expansion mould.
The single-sided overlapped form-removing-free hollow wall structure is characterized in that embedded parts are arranged on an overlapped wallboard and a wall steel bar system.
The preparation process flow of the single-sided overlapped mold-removal-free hollow wall body is as follows:
s1, designing: the conventional process comprises the steps of determining the thickness of the wall plate, reinforcing bars and embedded parts;
s2, preparing accessories: comprises an embedded part and a limiting bracket (5);
s3, preparing a wall body reinforcing steel bar system;
s4, preparing a formwork-dismantling-free steel bar system;
s5, preparing a laminated wallboard;
s6, paving a disassembly-free template steel bar system: firmly connecting the dismantling-free template steel bar system prepared in the step S4 with the top bar of the limiting bracket to prepare a turnover laminated plate body;
s7, manufacturing a disassembly-free template, namely supporting a side die, and placing the side die according to the size specification and the design requirement; pouring the mixture of the disassembly-free template to the designed thickness;
s8, integrally overturning the overturning superimposed sheet body prepared in the step S6 by 180 degrees, pouring and inserting the overturning superimposed sheet body into the disassembly-free template pouring material prepared in the step S7, and adjusting the overturning superimposed sheet body to a design position;
s9, integrally curing and forming, and repairing the facing to obtain the finished product of the single-sided overlapped mold-removing-free hollow wall body.
The preparation process of the laminated wallboard in the step S5 is as follows:
a. supporting a side mold;
b, paving a wall steel bar system;
c, installing a limiting bracket at a designed position, wherein the bottom rib of the limiting bracket is firmly bound with the wall body reinforcing steel bar system;
d, mounting the embedded part by adopting a traditional process;
e, adopting a traditional process to perform concrete pouring, and performing rough surface treatment on the upper surface of the poured concrete;
f. curing and shaping for standby.
The disassembly-free template mixture in the step S7 is ultra-high performance concrete.
Compared with the prior art, the invention optimizes and upgrades the existing hollow laminated slab, adopts the dismantling-free template on the lower lamination surface of the hollow laminated slab, and makes the lower lamination surface of the hollow laminated slab serve as the template instead of the stress surface of the wall body, thus greatly saving the forming and curing time of the lower lamination surface compared with the existing hollow laminated slab, and having thinner high-strength concrete and lower influence degree by aggregates such as stones. Meanwhile, the structure has the advantages of simple and convenient process, high productivity and low manufacturing cost; the disassembly-free formwork is preferably high-strength concrete, and has the advantages of good fluidity, high strength and quick solidification.
When the single-sided overlapped form removal-free hollow wall body prepared by the method is used for construction, the double sides do not need to support templates, and the spliced hollow wall body has continuous cavities, so that the splicing of upper, lower, left and right reinforcing steel bars is facilitated, concrete is continuously poured into the cavities, and the wall body has the advantage of excellent waterproof performance; meanwhile, the outer side dismantling-free template and the wall body are permanently poured together, so that the connecting piece is convenient to pre-embed, and the connecting piece is used for construction of next procedures such as decoration, heat preservation and the like.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making 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, in which:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the limiting bracket 5.
Fig. 3 is a schematic structural diagram of the laminated wallboard after the preparation of the laminated wallboard in step S5.
Fig. 4 is a schematic diagram of the structure of the inverted laminated plate body obtained in step S6.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.
As shown in fig. 1, the single-sided overlapped disassembly-free hollow wall structure comprises an overlapped wallboard 1 and a disassembly-free template 3, a cavity 6 is arranged between the overlapped wallboard 1 and the disassembly-free template 3, a wall steel bar system 2 is prefabricated on the overlapped wallboard 1, the wall steel bar system 2 is a double-layer bidirectional steel bar net, a vertical rib is assisted in the middle, the double-layer steel bar net is bound or welded, one layer of steel bar net of the double-layer bidirectional steel bar net is positioned in the overlapped wallboard 1, and the other layer of steel bar net is positioned in the cavity 6.
The disassembly-free formwork 3 is made of ultra-high performance concrete in the example, the thickness is poured according to the regulation, a disassembly-free formwork reinforcing steel bar system 4 is arranged in the disassembly-free formwork 3, and the disassembly-free formwork reinforcing steel bar system 4 is a single-layer bidirectional reinforcing steel bar net and is formed by binding or welding.
A limiting bracket 5 used for limiting connection is arranged between the wall body reinforcing steel bar system 2 and the dismantling-free formwork reinforcing steel bar system 4, as shown in fig. 2, the limiting bracket 5 is Z-shaped and consists of a bottom rib 5-1, a vertical rib 5-2 and a top rib 5-3: the bottom reinforcement 5-1 is firmly bound and fixed with the wall body reinforcement system 2; the top rib 5-3 is firmly bound and fixed with the dismantling-free template steel bar system 4; the two ends of the vertical ribs 5-2 are respectively connected with the bottom ribs 5-1 and the top ribs 5-3 and are used for adjusting the height and simultaneously serving as tie ribs to prevent the hollow wall from pouring an expansion mould.
Meanwhile, embedded parts are arranged on the laminated wallboard 1 and the wall body reinforcing steel bar system 2 according to the requirements of the prefabricated wall body, and the embedded parts are power supply installation seats, wiring pipes and the like.
The preparation process of the single-sided overlapped mold-removal-free hollow wall body comprises the following steps:
s1, designing: the conventional process comprises the steps of determining the thickness of the wall plate, reinforcing bars and embedded parts according to requirements;
s2, preparing accessories: comprises an embedded part and a limiting bracket 5;
s3, preparing a wall body reinforcing steel bar system 2; the wall body reinforcing steel bar system 2 is a double-layer bidirectional reinforcing steel bar net, the middle is assisted with a standing bar, the double-layer reinforcing steel bar net is bound or welded,
s4, preparing a disassembly-free template steel bar system 4; the disassembly-free template steel bar system 4 is a single-layer bidirectional steel bar net and is formed by binding or welding
S5, preparing a laminated wallboard 1, wherein the prepared laminated wallboard 1 is shown in fig. 3; the preparation process of the laminated wallboard 1 comprises the following steps:
a. supporting a side mold;
b, paving a wall body reinforcing steel bar system 2;
c, installing a limiting bracket 5 at a designed position, and binding the bottom rib 5-1 of the limiting bracket 5 with the wall body reinforcing steel bar system 2 firmly;
d, mounting the embedded part by adopting a traditional process;
e, adopting a traditional process to perform concrete pouring, and performing rough surface treatment on the upper surface of the poured concrete;
f. curing and shaping for standby.
S6, paving a disassembly-free template steel bar system: firmly connecting the dismantling-free template steel bar system 4 prepared in the step S4 with the top rib 5-3 of the limit bracket 5 to prepare a turnover laminated plate body, as shown in fig. 4;
s7, manufacturing the disassembly-free template 3, namely supporting side dies, and placing the side dies according to the size specification and the design requirement; pouring a disassembly-free template mixture to the designed thickness, wherein the disassembly-free template mixture is ultra-high performance concrete;
s8, integrally overturning the overturning superimposed sheet body prepared in the step S6 by 180 degrees, pouring and inserting the overturning superimposed sheet body into the disassembly-free template pouring material prepared in the step S7, and adjusting the overturning superimposed sheet body to a design position;
s9, integrally curing and forming, and repairing the facing to obtain the finished single-sided overlapped mold-removal-free hollow wall body, as shown in fig. 1.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent variations and modification made to the above embodiment according to the technical matter of the present invention without departing from the technical scope of the present invention still fall within the scope of the technical scheme of the present invention.
Claims (9)
1. The utility model provides a single face coincide exempts from to tear open mould hollow wall structure, it includes coincide wallboard (1), has prefabricated wall body steel bar system (2) on coincide wallboard (1), its characterized in that: the wall wallboard comprises a wall body reinforced bar system (2) and a non-dismantling formwork reinforced bar system (4), and is characterized by further comprising a non-dismantling formwork (3), wherein the non-dismantling formwork reinforced bar system (4) is arranged in the non-dismantling formwork (3), a limiting bracket (5) used for limiting connection is arranged between the wall body reinforced bar system (2) and the non-dismantling formwork reinforced bar system (4), and a cavity (6) is arranged between the laminated wallboard (1) and the non-dismantling formwork (3).
2. The single-sided folded form removal-free hollow wall structure of claim 1, wherein: the disassembly-free formwork (3) is an ultra-high performance concrete slab.
3. The single-sided folded form-free hollow wall structure of claim 1 or 2, wherein: the wall body steel bar system (2) is a double-layer two-way steel bar net, the middle is assisted with a standing bar, the double-layer steel bar net is bound or welded, one layer of steel bar net of the double-layer two-way steel bar net is positioned in the laminated wallboard (1), and the other layer of steel bar net is positioned in the cavity (6).
4. A single-sided composite disassembly-free hollow wall structure as claimed in claim 3, wherein: the disassembly-free template steel bar system (4) is a single-layer bidirectional steel bar net and is formed by binding or welding.
5. The single-sided folded form removal-free hollow wall structure of claim 4, wherein: the limiting bracket (5) is Z-shaped and consists of a bottom rib (5-1), a vertical rib (5-2) and a top rib (5-3): the bottom ribs (5-1) are firmly bound and fixed with the wall body reinforcing steel bar system (2); the top rib (5-3) and the dismantling-free template steel bar system (4) are firmly bound and fixed; the two ends of the vertical ribs (5-2) are respectively connected with the bottom ribs (5-1) and the top ribs (5-3) and are used for adjusting the height and simultaneously serving as tie ribs to prevent the hollow wall from pouring an expansion mould.
6. The single-sided folded form removal-free hollow wall structure of claim 5, wherein: an embedded part is arranged on the laminated wallboard (1) and the wall body reinforcing steel bar system (2).
7. A process for preparing a single-sided laminated form-removal-free hollow wall body as claimed in any one of claims 1 to 6, which is characterized by the following process flow:
s1, designing: the conventional process comprises the steps of determining the thickness of the wall plate, reinforcing bars and embedded parts;
s2, preparing accessories: comprises an embedded part and a limiting bracket (5);
s3, preparing a wall body reinforcing steel bar system (2);
s4, preparing a disassembly-free template steel bar system (4);
s5, preparing a laminated wallboard (1);
s6, paving a disassembly-free template steel bar system: firmly connecting the dismantling-free template steel bar system (4) prepared in the step S4 with the top rib (5-3) of the limit bracket (5) to prepare a turnover laminated plate body;
s7, manufacturing the disassembly-free template (3), namely supporting side dies, and placing the side dies according to the size specification; pouring the mixture of the disassembly-free template to the designed thickness;
s8, integrally overturning the overturning superimposed sheet body prepared in the step S6 by 180 degrees, pouring and inserting the overturning superimposed sheet body into the disassembly-free template pouring material prepared in the step S7, and adjusting the overturning superimposed sheet body to a design position;
s9, integrally curing and forming, and repairing the facing to obtain the finished product of the single-sided overlapped mold-removing-free hollow wall body.
8. The process for preparing the single-sided laminated form-removal-free hollow wall body according to claim 6, wherein the preparation process of the laminated wallboard (1) in the step S5 is as follows:
a. supporting a side mold;
b, paving a wall steel bar system (2);
c, installing a limiting bracket (5) at a designed position, and binding the bottom rib (5-1) of the limiting bracket (5) with the wall body reinforcing steel bar system (2) firmly;
d, mounting the embedded part by adopting a traditional process;
e, adopting a traditional process to perform concrete pouring, and performing rough surface treatment on the upper surface of the poured concrete;
f. curing and shaping for standby.
9. The process for preparing the single-sided laminated form removal-free hollow wall body as claimed in claim 6, wherein the process comprises the following steps of: the disassembly-free template mixture in the step S7 is ultra-high performance concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311788056.3A CN117569485A (en) | 2023-12-25 | 2023-12-25 | Single-sided overlapped form-removing-free hollow wall structure and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311788056.3A CN117569485A (en) | 2023-12-25 | 2023-12-25 | Single-sided overlapped form-removing-free hollow wall structure and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117569485A true CN117569485A (en) | 2024-02-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311788056.3A Pending CN117569485A (en) | 2023-12-25 | 2023-12-25 | Single-sided overlapped form-removing-free hollow wall structure and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117569485A (en) |
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2023
- 2023-12-25 CN CN202311788056.3A patent/CN117569485A/en active Pending
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