CN109811937B - A prefabricated infill wall with deformable wall panels, infill wall system and construction method - Google Patents
A prefabricated infill wall with deformable wall panels, infill wall system and construction method Download PDFInfo
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- CN109811937B CN109811937B CN201910213185.7A CN201910213185A CN109811937B CN 109811937 B CN109811937 B CN 109811937B CN 201910213185 A CN201910213185 A CN 201910213185A CN 109811937 B CN109811937 B CN 109811937B
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Abstract
A wall plate deformable assembled filling wall, a filling wall system and a construction method relate to the field of building construction and comprise a heat preservation layer, L-shaped concrete inner leaves connected to the inner side of the heat preservation layer, L-shaped concrete outer leaves connected to the outer side of the heat preservation layer, extruded rubber strips adhered between the L-shaped concrete inner leaves and the L-shaped concrete outer leaves and a plastering decorative layer smeared on the outer side face of the L-shaped concrete outer leaves. The filling wall system of the assembled filling wall with the deformable wallboard comprises a frame structure, the assembled filling wall with the deformable wallboard arranged in the frame structure, a mortar layer paved on the bottom surface of the inner side of the frame structure and a flexible flame-retardant filling material filled between the rest three sides of the inner side of the frame structure and the assembled filling wall with the deformable wallboard. The invention solves the technical problems of poor earthquake resistance, low construction efficiency and poor heat preservation performance of the traditional masonry filling wall system.
Description
Technical Field
The invention relates to the field of building construction, in particular to a wall plate deformable assembled filling wall, a filling wall system and a construction method.
Background
At present, a frame filling wall is built by adopting a plurality of small hollow blocks or porous bricks, and is connected with a main body structure through a plurality of lacing wires, but the structure has certain defects.
From the aspect of structural stress performance, due to the problem of masonry quality, the whole performance of the filling wall is poor, and under the action of an earthquake, the filling wall is easy to slip and damage a masonry mortar layer. Meanwhile, the masonry mortar is easy to shrink in the air-drying process, so that the filled wall body is settled and separated from the frame beam, and cracks are generated.
From the aspect of structural seismic performance, the filling wall is rigidly connected with the main body frame, once the wall is improperly arranged, the seismic capacity of the structure is affected, for example, if the filling wall is unevenly distributed vertically, a weak layer is easily formed in the structure, and if the wall is improperly arranged horizontally, the structure can be twisted and damaged. Meanwhile, the existence of the filling wall can enable the frame column to form short columns, and the frame beam to form short beams, so that potential safety hazards are formed.
In terms of construction, the construction of the building blocks or the brick bodies is time-consuming and labor-consuming, the labor cost is increased, the construction efficiency is reduced, the requirements of the building industrialization in China are not met, and meanwhile, the phenomenon of building resource waste exists in the construction process.
From the energy-saving heat preservation angle of the wall, most of the existing building blocks and brick materials cannot meet the energy-saving heat preservation requirement of the wall, external heat preservation treatment is needed to be carried out on the surface of the wall, flammable plates such as polystyrene boards and extruded sheets are often adopted for external heat preservation, fire hazards exist in the building, and the potential safety hazards are increased.
The assembled building is being developed greatly in China, and the assembled infill wall system is taken as an important component of the external enclosure system, plays a vital role in the development of the assembled building, and can provide powerful technical support for the development of the assembled building in China.
Disclosure of Invention
The invention aims to provide a wall plate deformable assembled filling wall, a filling wall system and a construction method, which aim to solve the technical problems of poor earthquake resistance, low construction efficiency and poor heat preservation performance of the traditional masonry filling wall system; and solves the problems of poor overall performance, high labor intensity of workers and great potential safety hazard of the traditional masonry filling wall system.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The utility model provides a wallboard deformable assembled infill wall, includes heat preservation, connects the inboard L shape concrete inner leaf of heat preservation, connects the outer leaf of L shape concrete in the heat preservation outside, pastes the extrusion rubber strip and scribble the surface decorative layer of the outer leaf lateral surface of L shape concrete between leaf and the outer leaf of L shape concrete in L shape concrete.
The L-shaped concrete inner leaf plate is formed by pouring concrete by taking a steel skeleton as a skeleton, wherein the steel skeleton comprises angle steel, transverse reinforcing steel bars welded on the outer side face of one side of the angle steel at intervals, longitudinal reinforcing steel bars bound on the inner side of the transverse reinforcing steel bars at intervals, heat preservation strips adhered on the angle steel intersecting edges and the other edge, and connecting pieces welded on the outer side face of the other side of the angle steel at intervals.
The structure of the L-shaped concrete outer blade plate is the same as that of the L-shaped concrete inner blade plate.
The connecting piece comprises a cylindrical connecting main body and a circular arc-shaped connecting plate body vertically connected to the outer side face of the connecting main body, and a circular first connecting hole is formed in the center of the connecting plate body.
And heat-insulating drawknot members are arranged on the heat-insulating layer in a matrix mode.
The middle part of the heat preservation drawknot piece is positioned in the heat preservation layer, and two ends of the heat preservation drawknot piece are respectively inserted into the L-shaped concrete inner leaf plate and the L-shaped concrete outer leaf plate.
The depth of the two ends of the heat-preservation drawknot piece inserted into the L-shaped concrete inner blade plate and the L-shaped concrete outer blade plate is not less than one half of the thickness of the L-shaped concrete inner blade plate or the L-shaped concrete outer blade plate.
The filling wall system of the wallboard deformable assembled filling wall comprises a frame structure, the wallboard deformable assembled filling wall arranged in the frame structure, a mortar layer paved between the bottom surface of the inner side of the frame structure and the wallboard deformable assembled filling wall, and a flexible flame-retardant filling material filled between the rest three sides of the inner side of the frame structure and the wallboard deformable assembled filling wall.
The frame structure is a rectangular closed frame formed by encircling an upper square frame beam, a lower square frame beam, a left side frame column and a right side frame column.
The embedded parts are embedded in the inner side surfaces of the left side frame column and the right side frame column at intervals.
The embedded part is integrally U-shaped, the outer end surfaces of two sides of the embedded part are outwards protruded in a circular arc shape, and an elliptical second connecting hole is formed in the circular arc-shaped part.
The connecting plate body of the connecting piece on the assembled filling wall with the deformable wallboard is correspondingly inserted into the embedded piece, and the first connecting hole on the connecting plate body corresponds to the second connecting hole on the embedded piece and is connected through the bolt.
Gaps of not less than 20mm are reserved between the top surface of the assembled filling wall with the deformable wallboard and the inner side surface of the upper square frame beam, between the left side surface and the inner side of the left side frame column and between the right side surface and the inner side surface of the right side frame column.
The flexible flame-retardant filling material is filled in the gap.
The construction method for the filling wall system comprises the following steps:
step one: prefabricated wall panels are deformed assembled infill walls at the factory.
A. Manufacturing a steel skeleton: one end of the transverse steel bar is welded on the outer side face of one side of the angle steel at intervals, then longitudinal steel bars are bound on the inner side face of the transverse steel bar at intervals, then heat preservation strips of the cold bridge are respectively stuck on the intersecting edge and the other edge of the angle steel, and finally connecting pieces are welded on the outer side face of the other side of the angle steel at intervals.
B. And (3) pouring concrete of the L-shaped concrete outer blade plate 3 by the formwork: the heat-insulating drawknot member 1.1 is embedded into the concrete of the L-shaped concrete outer leaf plate before the initial setting of the concrete, and the heat-insulating drawknot member is manually rotated by 90 degrees after being inserted into the concrete, so that good bond strength is generated between the heat-insulating drawknot member and the concrete.
C. After curing and after the concrete of the L-shaped concrete outer leaf plate is completely solidified and reaches a certain strength, paving an insulating layer, paving the insulating layer from the periphery to the middle, and paving by adopting a large insulating plate.
D. And b, repeating the step b, and pouring the concrete of the L-shaped concrete inner blade plate by the formwork.
E. And filling the seam or the gap of the reserved hole with polyurethane foam to finish prefabrication of the deformable assembled filling wall of the wallboard.
Step two: and (3) spring wires, and ejecting position wires of the deformable assembled filling wall of the wallboard on the inner ring of the frame structure.
Step three: and a mortar layer for fixed connection is paved on the top surface of the lower frame beam.
Step four: the prefabricated wall plate deformable assembled filling wall is hoisted into the frame structure through the first connecting holes on the connecting pieces, and the connecting pieces are firmly embedded with embedded pieces on the left frame column and the right frame column and firmly connected through bolts.
Step five: and (3) plate seam treatment, wherein flexible flame-retardant filling materials are filled in the seams between the top surface of the assembled filling wall with the deformable wallboard and the inner side surface of the upper frame beam, between the left side surface and the inner side of the left side frame column and between the right side surface and the inner side surface of the right side frame column.
Step six: and finally, performing pointing treatment on the edge position by using building sealant to finish the construction of the filling wall system.
Compared with the prior art, the invention has the following characteristics and beneficial effects: the deformable assembled filling wall of the wallboard is simple in structure, reasonable in structure, convenient to prefabricate in factories, and good in heat preservation performance and integrity, and integrates the structure and heat preservation; the structural form of the assembled filling wall with the deformable wallboard is changed, so that the assembled filling wall has certain extrusion deformation capacity, and the deformation can be generated by extruding the rubber strip when an earthquake occurs, so that the earthquake force is effectively absorbed, and the filling wall is protected from damage; compared with the existing masonry infill wall, the construction method has the advantages that the construction mode of assembly type construction is adopted, the masonry time is saved, the quality of the wall is guaranteed, meanwhile, the construction cost is reduced, and the construction efficiency is improved.
The invention can be widely applied to the construction of the concrete frame filling wall.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of a wall panel deformable fabricated infill wall.
Fig. 2 is a schematic perspective view of a steel skeleton of an L-shaped concrete inner or outer blade.
Fig. 3 is a schematic perspective view of the connector.
Fig. 4 is a schematic diagram of a connection structure of the heat insulation layer and the heat insulation drawknot.
Fig. 5 is a schematic elevational view of a infill wall system.
Fig. 6 is a schematic perspective view of the embedded part.
Fig. 7 is a schematic perspective view of the connection of the connecting member and the embedded member.
Reference numerals: 1-heat preservation, 1.1-heat preservation drawknot spare, 2-L shape concrete inner leaf board, 2.1-angle steel, 2.2-horizontal reinforcing bar, 2.3-longitudinal reinforcing bar, 2.4-heat preservation strip, 2.5-connecting piece, 2.5.1-connecting main part, 2.5.2-connecting plate body, 2.5.3-first connecting hole, 3-L shape concrete outer leaf board, 4-extrusion rubber strip, 5-surface finish decorative layer, 6-mortar layer, 7-flexible fire-retardant filling material, 8-upper frame roof beam, 9-lower frame roof beam, 10-left side frame post, 11-right side frame post, 12-built-in fitting, 12.1-second connecting hole.
Detailed Description
Examples referring to fig. 1, a wall panel-deformable fabricated infill wall, infill wall system and construction
The wall board deformable assembled filling wall comprises a heat preservation layer 1, an L-shaped concrete inner blade 2 connected to the inner side of the heat preservation layer 1, an L-shaped concrete outer blade 3 connected to the outer side of the heat preservation layer 1, an extrusion rubber strip 4 adhered between the L-shaped concrete inner blade 2 and the L-shaped concrete outer blade 3, and a plastering decorative layer 5 smeared on the outer side surface of the L-shaped concrete outer blade 3; the openings of the L-shaped concrete inner blade 2 and the L-shaped concrete outer blade 3 are opposite and are arranged in a central symmetry mode, the heat insulation layer is clamped between the L-shaped concrete inner blade 2 and the L-shaped concrete outer blade 3, the length of the inner side of the long limb of the L-shaped concrete inner blade 2 is shorter than that of the heat insulation layer 1, and therefore a hole for filling the extruded rubber strip 4 is formed between the outer end portion of the long limb of the L-shaped concrete inner blade 2 and one end of the heat insulation layer 1, and the width of the inner side of the short limb of the L-shaped concrete inner blade 2 is equal to the sum of the thickness of the heat insulation plate and the thickness of the long limb of the L-shaped concrete inner blade 2.
Referring to fig. 2, the L-shaped concrete inner leaf plate 2 is formed by pouring concrete with a steel skeleton as a framework, wherein the steel skeleton comprises angle steel 2.1, transverse steel bars 2.2 welded on the outer side surface of one side of the angle steel 2.1 at intervals, longitudinal steel bars 2.3 bound on the inner side of the transverse steel bars 2.2 at intervals, heat preservation strips 2.4 adhered on the intersecting edges and the other edge of the angle steel 2.1, and connecting pieces 2.5 welded on the outer side surface of the other side of the angle steel 2.1 at intervals;
The section of the heat preservation bar 2.4 connected to the intersecting edge of the angle steel 2.1 is L-shaped, and the section of the heat preservation bar 2.4 connected to the other edge of the angle steel 2.1 is U-shaped; the function of the insulation strips 2.4 is to prevent cold bridges.
Referring to fig. 3, the connecting piece 2.5 includes a cylindrical connecting main body 2.5.1 and a circular arc-shaped connecting plate body 2.5.2 vertically connected to the outer side surface of the connecting main body 2.5.1, wherein a circular first connecting hole 2.5.3 is formed in the center of the connecting plate body 2.5.2; the first connecting hole 2.5.3 can be used as a lifting hole for lifting the whole wall plate deformable assembled filling wall and can also be used for connecting the connecting hole for connecting with the frame structure of the filling wall system.
Referring to fig. 4, heat-insulating drawknot members 1.1 are arranged on the heat-insulating layer 1 in a matrix manner; the heat-insulating drawknot piece 1.1 is an inserted FRP heat-insulating drawknot piece, the middle part of the heat-insulating drawknot piece 1.1 is positioned in the heat-insulating layer 1, and two ends of the heat-insulating drawknot piece are respectively inserted into the L-shaped concrete inner blade plate 2 and the L-shaped concrete outer blade plate 3; the depth (i.e. anchoring length) of the two ends of the heat-insulating drawknot piece 1.1 inserted into the L-shaped concrete inner blade plate 2 and the L-shaped concrete outer blade plate 3 is not less than one half of the thickness of the L-shaped concrete inner blade plate 2 or the L-shaped concrete outer blade plate 3.
The assembled filling wall with the deformable wallboard has certain extrusion deformation capability, and can deform by extruding the rubber strips under the action of an earthquake, so that the earthquake force is effectively absorbed, and the filling wall is protected from damage.
Referring to fig. 5, the wall system using the wall panel deformable assembled filling wall comprises a frame structure, the wall panel deformable assembled filling wall arranged in the frame structure, a mortar layer 6 paved between the bottom surface of the inner side of the frame structure and the wall panel deformable assembled filling wall, and a flexible flame-retardant filling material 7 filled between the other three sides of the inner side of the frame structure and the wall panel deformable assembled filling wall; the frame structure is a rectangular closed frame formed by encircling an upper square frame beam 8, a lower square frame beam 9, a left side frame column 10 and a right side frame column 11; embedded parts 12 are embedded at intervals on the inner side surfaces of the left side frame column 10 and the right side frame column 11; gaps of not less than 20mm are reserved between the top surface of the wall plate deformable assembled filling wall and the inner side surface of the upper square frame beam 8, between the left side surface and the inner side of the left side frame column 10 and between the right side surface and the inner side surface of the right side frame column 11; the flexible flame-retardant filling material 7 is filled in the gap.
Referring to fig. 6, the embedded part 12 is U-shaped overall, outer end surfaces at two sides of the embedded part are convex outwards, and an elliptical second connecting hole 12.1 is formed at the arc-shaped part.
Referring to fig. 7, the connecting plate body 2.5.2 of the connecting piece 2.5 on the assembled filling wall with the deformable wall plate is correspondingly inserted into the embedded piece 12, and the first connecting hole 2.5.3 on the connecting plate body 2.5.2 corresponds to the second connecting hole 12.1 on the embedded piece 12 and is connected through a bolt.
The construction method for the filling wall system comprises the following steps:
step one: prefabricated wall panels are deformed assembled infill walls at the factory.
A. manufacturing a steel skeleton: one end of a transverse steel bar 2.2 is welded on the outer side face of one side of the angle steel 2.1 at intervals, then longitudinal steel bars 2.3 are bound on the inner side face of the transverse steel bar 2.2 at intervals, then heat preservation strips 2.4 of the cold bridge are respectively stuck on the intersecting edge and the other edge of the angle steel 2.1, and finally connecting pieces 2.5 are welded on the outer side face of the other side of the angle steel 2.1 at intervals.
B. and (3) pouring concrete of the L-shaped concrete outer blade plate 3 by the formwork: before the initial setting of the concrete, the heat-insulating drawknot piece 1.1 is embedded into the concrete of the L-shaped concrete outer blade plate 3, and the heat-insulating drawknot piece 1.1 is manually rotated by 90 degrees after the heat-insulating drawknot piece 1.1 is inserted into the concrete, so that good bond strength is generated between the heat-insulating drawknot piece 1.1 and the concrete.
C. After the concrete of the L-shaped concrete outer leaf plate 3 is cured and fully solidified and reaches a certain strength, the heat insulation layer 1 is paved, the heat insulation layer is paved on the next day generally, the heat insulation layer 1 is paved from the periphery to the middle, and a large heat insulation plate is paved as far as possible.
D. and b, repeating the step b, and pouring the concrete of the L-shaped concrete inner blade plate 2 by the formwork.
E. And filling the seam or the gap of the reserved hole with polyurethane foam to finish prefabrication of the deformable assembled filling wall of the wallboard.
Step two: and (3) spring wires, and ejecting position wires of the deformable assembled filling wall of the wallboard on the inner ring of the frame structure.
Step three: a mortar layer 6 for fixing connection is laid on the top surface of the lower frame beam 9.
Step four: the prefabricated wallboard deformable assembled filling wall is hoisted into the frame structure through the first connecting holes 2.5.3 on the connecting pieces 2.5, and the connecting pieces 2.5 are firmly embedded with the embedded pieces 12 on the left frame column 10 and the right frame column 11 and firmly connected through bolts.
Step five: and (3) plate seam treatment, wherein flexible flame-retardant filling materials 7 are filled in the seams between the top surface of the assembled filling wall with the deformable wallboard and the inner side surface of the upper frame beam 8, between the left side surface and the inner side of the left side frame column 10 and between the right side surface and the inner side surface of the right side frame column 11.
Step six: and finally, performing pointing treatment on the edge position by using building sealant to finish the construction of the filling wall system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910213185.7A CN109811937B (en) | 2019-03-20 | 2019-03-20 | A prefabricated infill wall with deformable wall panels, infill wall system and construction method |
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| CN201910213185.7A CN109811937B (en) | 2019-03-20 | 2019-03-20 | A prefabricated infill wall with deformable wall panels, infill wall system and construction method |
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| CN109811937B true CN109811937B (en) | 2024-06-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112454654A (en) * | 2020-11-30 | 2021-03-09 | 东南大学扬州研究院 | Preparation method of novel heat-insulation building material |
| CN115233870A (en) * | 2022-07-28 | 2022-10-25 | 四川省远熙建设有限公司 | A kind of house prefabricated construction structure and construction method |
| CN115182481B (en) * | 2022-08-10 | 2024-01-30 | 河北工业大学 | A steel connector insulation board structure and construction method |
| CN115341690B (en) * | 2022-09-22 | 2023-09-29 | 中建八局第一建设有限公司 | A decoration-free long-span ultra-high finished explosion-proof wall and its construction technology |
| CN116005879B (en) * | 2023-03-24 | 2023-06-06 | 保定市建筑设计院有限公司 | Assembled building board |
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| CN209924198U (en) * | 2019-03-20 | 2020-01-10 | 河北建筑工程学院 | A prefabricated infill wall and infill wall system with deformable wall panels |
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| KR101565084B1 (en) * | 2013-02-20 | 2015-11-02 | 홍종국 | The insulating precast concrete wall structure |
| KR101533426B1 (en) * | 2013-05-20 | 2015-07-02 | 홍종국 | The precast concrete wall structure for a building |
| CN103821264B (en) * | 2014-03-10 | 2016-11-16 | 初明进 | A kind of precast concrete wall |
| CN105756275B (en) * | 2016-04-16 | 2018-01-30 | 广东翔顺建筑工程有限公司 | It is a kind of can be with the prefabricated filled-in panel and its installation method of force structure synchronous construction |
| CN108277887B (en) * | 2018-03-19 | 2024-05-28 | 北京工业大学 | Prefabricated built-in insulation layer concrete composite wall-light steel frame connection node |
| CN208039535U (en) * | 2018-04-10 | 2018-11-02 | 哈尔滨工业大学 | A kind of prefabricated assembled Fill model of separate type |
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