CN115977275A - Prefabricated shear wall system and construction method thereof - Google Patents
Prefabricated shear wall system and construction method thereof Download PDFInfo
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- CN115977275A CN115977275A CN202310238785.5A CN202310238785A CN115977275A CN 115977275 A CN115977275 A CN 115977275A CN 202310238785 A CN202310238785 A CN 202310238785A CN 115977275 A CN115977275 A CN 115977275A
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Abstract
The present disclosure relates to a prefabricated shear wall system and a construction method thereof, the prefabricated shear wall system including a shear wall structure; the shear wall structure comprises a prefabricated outer wall and a prefabricated inner wall, the outer wall and the inner wall are connected and enclosed to form a wall body, the outer wall comprises a sandwich layer steel plate and an inner leaf wall, the inner leaf wall comprises a steel bar net and vertical steel angle connectors, the vertical steel angle connectors are connected to one sides of the sandwich layer steel plate, the steel bar net is connected to one side, far away from the sandwich layer steel plate, of the vertical steel angle connectors, and the sandwich layer steel plate, the vertical steel angle connectors and the steel bar net are formed in a concrete pouring mode. Compared with the situation that on-site pouring is needed, the prefabricated shear wall system provided by the disclosure is assembled through a shear wall structure prefabricated and formed in advance and a reproducing field, the on-site construction is simple and efficient to operate, and the on-site construction process is accelerated to a certain extent.
Description
Technical Field
The disclosure relates to the technical field of building structure engineering, in particular to a prefabricated shear wall system and a construction method thereof.
Background
With the rapid development of the urbanization and modernization process in China, the population is continuously rushed into cities, the demand for houses is continuously increased, and the traditional building structure does not accord with the concept of 'green, low-carbon, energy-saving and environment-friendly'. The assembly type building, particularly the assembly type steel structure building, is developed vigorously, the transformation and the upgrade of the building industry can be completed, and the structure optimization of steel products in China can be accelerated.
The shear wall is generally used in a building structure, is mainly used for bearing horizontal load and vertical load caused by wind load and earthquake action, prevents the building structure from shearing and breaking, and is an important lateral force resistant structure of the building structure.
However, the existing shear wall is integrally formed by pouring concrete in situ, so that the field construction process is slow, the field construction efficiency is low, and the structural strength and the seismic performance of the existing shear wall are poor.
Disclosure of Invention
In order to solve the technical problems or at least partially solve the technical problems, the present disclosure provides a prefabricated shear wall system and a construction method thereof.
The present disclosure provides a prefabricated shear wall system, which comprises a plurality of prefabricated shear wall structures, wherein the plurality of the shear wall structures are sequentially spliced to form the prefabricated shear wall system;
the shear wall structure comprises a prefabricated outer wall and a prefabricated inner wall, and the outer wall and the inner wall are connected and enclosed to form a wall body; the outer wall includes sandwich layer steel sheet and interior leaf wall, interior leaf wall includes reinforcing bar net and at least one vertical angle steel connecting piece, vertical angle steel connecting piece is connected one side of sandwich layer steel sheet, the reinforcing bar net is connected keeping away from of vertical angle steel connecting piece one side of sandwich layer steel sheet, just vertical angle steel connecting piece and the reinforcing bar net adopts concrete placement as an organic whole in order to form interior leaf wall.
According to one embodiment of the present disclosure, the outer wall further comprises a heat insulation layer, a glass fiber net and a plastering layer; the heat preservation sets up keeping away from of sandwich layer steel sheet one side of vertical angle steel connecting piece, keeping away from of heat preservation one side of sandwich layer steel sheet is provided with the glass fiber net, the setting of plastering layer is in keeping away from of glass fiber net one side of heat preservation.
According to an embodiment of the present disclosure, be close to of sandwich layer steel sheet one side of heat preservation is provided with crab-bolt coupling nut, on the heat preservation with the position that crab-bolt coupling nut corresponds is provided with the connecting hole, the heat preservation is through wearing to establish the connecting hole with crab-bolt in the crab-bolt coupling nut is connected on the sandwich layer steel sheet.
According to an embodiment of the present disclosure, the sandwich layer steel sheet deviate from one side of heat preservation is provided with the bolt locating plate, be provided with first locating hole on the bolt locating plate, be provided with the second locating hole on the sandwich layer steel sheet, the bolt locating plate is through wearing to establish first locating hole with bolted connection in the second locating hole is in on the sandwich layer steel sheet.
According to an embodiment of the present disclosure, one side of the inner leaf wall, which is far away from the heat insulation layer, is provided with a reserved gap extending along the length direction of the inner leaf wall, and a concrete edge steel plate strip is arranged in the reserved gap.
According to one embodiment of the present disclosure, the precast shear wall system further comprises a beam and a composite floor slab;
the beam is connected on the sandwich layer steel plate, a first floor angle steel is arranged at the edge of the composite floor, and the first floor angle steel is respectively connected with the concrete edge steel plate strip and the lower flange of the beam.
According to an embodiment of the present disclosure, the composite floor slab includes a profiled steel sheet, a steel bar mesh structure disposed on the profiled steel sheet, and concrete poured on the steel bar mesh structure;
the first floor angle steel is connected with the profiled steel sheet.
According to an embodiment of the present disclosure, the inner walls of the two opposite sides of the inner leaf wall and the positions corresponding to the beams are provided with steel plate boxes, the steel plate boxes are welded to the sandwich layer steel plates, the steel plate boxes are provided with sockets with openings facing the beams, two ends of the beams are respectively inserted into the corresponding steel plate boxes, and the steel plate boxes are filled with grouting materials.
In a second aspect, the present disclosure provides a method of constructing a prefabricated shear wall system, the method comprising:
prefabricating and forming a plurality of shear wall structures on a prefabricating site, wherein each shear wall structure comprises a prefabricated outer wall and a prefabricated inner wall, and the outer wall and the inner wall are connected and enclosed to form a wall body; the outer wall comprises a sandwich layer steel plate and an inner leaf wall, the inner leaf wall comprises a steel mesh and at least one vertical angle steel connector, the vertical angle steel connector is connected to one side of the sandwich layer steel plate, the steel mesh is connected to one side, far away from the sandwich layer steel plate, of the vertical angle steel connector, and the vertical angle steel connector and the steel mesh are cast into a whole by adopting concrete to form the inner leaf wall;
prefabricating a steel plate concrete shear wall and a profiled steel plate concrete floor slab in a factory, and transporting a plurality of prefabricated and molded shear wall structures to a construction site;
the shear walls of the same floor are transversely connected, and are welded and connected through sandwich layer steel plates;
placing steel beams, and connecting the beam units with the shear wall sandwich layer steel plate by welding steel plate boxes;
and laying a profiled steel plate concrete floor on the lower flange of the steel beam, welding and fixing the floor with the beam through plate edge angle steel, lapping the other side of the floor angle steel on a steel plate strip laid on the concrete edge of the shear wall, and welding after the fixing is finished.
The shear walls of the upper floor and the lower floor are vertically connected, a steel plate strip with a hole is welded at the upper end of a sandwich layer steel plate of the shear wall of the lower floor, the lower end of the sandwich layer steel plate of the shear wall of the upper floor is provided with a hole and is connected with the steel plate strip through a bolt to complete temporary assembly, and the sandwich layer steel plates of the shear walls of the upper floor and the lower floor are welded and fixed at the butt joint after the installation is completed.
The side of sandwich layer steel sheet that keeps away from vertical angle steel connecting piece installs the heated board, and the heated board punches in advance and accomplishes being connected of heat preservation and steel sheet rather than the nut connecting piece that corresponds at the sandwich layer steel sheet through the crab-bolt. Smearing a plastering layer on one side of the heat-insulation plate, which is far away from the sandwich layer steel plate;
and completing the assembly of the parts to form the prefabricated shear wall system.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
1) The present disclosure provides a prefabricated shear wall system and a construction method thereof, wherein the prefabricated shear wall system comprises a plurality of prefabricated shear wall structures; the utility model provides a prefabricated shear wall system, shear wall structure include prefabricated outer wall and prefabricated outer wall, and the outer wall includes prefabricated inner leaf wall, through adopting prefabricated inner leaf wall, only need transport prefabricated inner leaf wall to the construction site and assemble in order to form prefabricated outer wall again, assemble outer wall and inner wall again and can form the shear wall structure, compare in the mode of cast-in-place concrete shaping shear wall structure, this prefabricated shear wall system of this disclosure can improve concrete maintenance condition and reduce environmental pollution, accelerate the site operation process to a certain extent.
2) The vertical angle steel connecting piece in the shear wall structure can effectively improve the overall structural rigidity and strength of the shear wall structure, so that the lateral instability of the shear wall system can be avoided, and the anti-seismic performance is improved.
3) The construction method of the prefabricated shear wall system is simple, the prefabricated shear walls on the same floor are welded at the extended sandwich layer steel plates, the shear walls on the upper layer and the lower layer are welded and fixed after being temporarily assembled through the bolt positioning plates, the wall beams are connected through the steel plate boxes, and the assembly mode of the prefabricated profiled steel plate combined floor concrete under the prefabricated profiled steel plate combined floor can meet the fireproof requirement.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the embodiments or technical solutions in the prior art description will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is an assembly view of a prefabricated shear wall system according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a shear wall structure of a prefabricated shear wall system according to an embodiment of the disclosure;
fig. 3 is an internal schematic view of a shear wall structure of a prefabricated shear wall system according to an embodiment of the disclosure;
fig. 4 is a first schematic view of a bolt positioning plate and a bolt of a shear wall structure of a prefabricated shear wall system according to the embodiment of the disclosure;
fig. 5 is a second schematic view of the bolt positioning plate and the bolt of the shear wall structure of the prefabricated shear wall system according to the embodiment of the disclosure;
fig. 6 is a schematic view of a plastering layer and an insulating layer of a shear wall structure of a prefabricated shear wall system according to the embodiment of the disclosure;
FIG. 7 is a top view of a shear wall structure of a prefabricated shear wall system according to an embodiment of the present disclosure;
FIG. 8 is a schematic structural view of a shear wall structure and a beam of the prefabricated shear wall system according to the embodiment of the present disclosure;
FIG. 9 is a schematic connecting diagram of two adjacent shear wall structures of a prefabricated shear wall system according to the embodiment of the disclosure;
fig. 10 is a perspective view of a shear wall structure of a prefabricated shear wall system according to an embodiment of the disclosure;
fig. 11 is a schematic view of a sandwich layer steel plate, a vertical angle steel connecting member and concrete of a shear wall structure of the prefabricated shear wall system according to the embodiment of the disclosure;
FIG. 12 is a schematic view of a steel plate box and beams of a prefabricated shear wall system according to an embodiment of the present disclosure;
FIG. 13 is an assembly schematic view of a beam and shear wall structure of a precast shear wall system according to an embodiment of the disclosure;
fig. 14 is a schematic view of a composite floor slab of a precast shear wall system according to the embodiment of the disclosure;
fig. 15 is a schematic view of a beam and a composite floor slab of a precast shear wall system according to an embodiment of the present disclosure;
fig. 16 is a perspective view of a composite floor slab of a precast shear wall system according to the embodiment of the disclosure;
FIG. 17 is a schematic view of a beam and a second angle steel floor of the precast shear wall system according to the embodiment of the disclosure;
fig. 18 is a schematic view of a composite floor slab and a second angle steel floor slab of the precast shear wall system according to the embodiment of the disclosure;
FIG. 19 is a schematic view illustrating the fitting of a steel plate of a core layer and an anchor bolt of the prefabricated shear wall system according to the embodiment of the present disclosure;
fig. 20 is a method flow diagram illustrating a construction method of a prefabricated shear wall system according to an embodiment of the disclosure.
Wherein, 1, inner leaf wall; 11. a sandwich layer steel plate; 12. a reinforcing mesh; 13. a vertical angle steel connector; 14. concrete; 15. an anchor bolt connecting nut; 16. an anchor bolt; 17. a bolt; 18. a bolt positioning plate; 19. reserving a gap; 101. an outer wall; 102. an inner wall; 2. a heat-insulating layer; 21. a glass fiber web; 3. plastering layer; 4. a first floor angle; 5. a beam; 6. assembling a floor slab; 61. profiling steel plates; 62. floor concrete; 63. a steel reinforcement mesh structure; 7. a steel plate; 71. concrete edge steel strips; 8. a steel plate box; 91. a first weld; 92. a second weld.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
Referring to fig. 1-19, the present embodiment provides a prefabricated shear wall system including a plurality of prefabricated shear wall structures. The shear wall structure comprises a prefabricated outer wall 101 and a prefabricated inner wall 102, wherein the outer wall 101 and the inner wall 102 are connected and enclosed to form a wall body; the outer wall 101 comprises a prefabricated inner leaf wall 1 and a sandwich layer steel plate 11, the inner leaf wall 1 comprises a reinforcing mesh 12 and at least one vertical angle steel connector 13, the vertical angle steel connector 13 is connected to one side of the sandwich layer steel plate 11, the reinforcing mesh 12 is connected to one side, far away from the sandwich layer steel plate 11, of the vertical angle steel connector 13, and the sandwich layer steel plate 11, the vertical angle steel connector 13 and the reinforcing mesh 12 are poured into a whole by adopting concrete 14 to form the inner leaf wall 1.
That is to say, the prefabricated shear wall system provided by this embodiment includes a plurality of prefabricated shear wall structures, each shear wall structure includes prefabricated inner wall 102 and outer wall 101, outer wall 101 and inner wall 102 are connected and enclose to form a wall, prefabricated outer wall 101 includes inner leaf wall 1 and sandwich layer steel sheet 11, through adopting prefabricated outer wall 101, it can form only to need to transport prefabricated outer wall 101 to the construction site and assemble again, then assemble outer wall 101 and prefabricated inner wall 102 and can form the shear wall structure, compare in the mode of cast-in-place concrete shaping shear wall structure, the prefabricated shear wall system of this embodiment can accelerate the site operation process to a certain extent, and vertical angle steel connecting piece 13 in the shear wall structure can effectively promote the overall structure rigidity and the intensity of shear wall structure, thereby can avoid the shear wall system to take place lateral buckling, in order to improve anti-seismic performance.
In addition, the prefabricated shear wall system provided by the embodiment prevents the lateral instability of the shear wall structure by fully utilizing the strength, rigidity and ductility of the sandwich layer steel plate 11 and by wrapping the concrete 14 outside, meets the fireproof performance and simultaneously improves the anti-seismic performance, and the sandwich layer steel plate 11 and the concrete 14 are combined to further improve the bearing capacity of the wall body.
In concrete implementation, the construction preparation process of the external wall 101 may be as follows: firstly, cutting a steel plate to form a sandwich layer steel plate 11 with a prefabricated specification, then welding a vertical angle steel connector 13 of the inner leaf wall 1 on one side of the sandwich layer steel plate 11, welding a reinforcing mesh 12 on one side, far away from the sandwich layer steel plate 11, of the vertical angle steel connector 13, finally building a mold for pouring concrete 14 on the outer side of the sandwich layer steel plate 11, then pouring the concrete 14, and removing the mold after the concrete 14 is solidified and molded, thereby forming the inner leaf wall 1.
It should be noted that, when the mould is built, the gap of connecting the wallboard needs to be reserved, and the node is prevented from being covered by concrete 14 and influencing later stage assembly, that is to say, the gap is set up to facilitate assembly. Specifically, the length of the slit may be preferably 400 mm. In addition, a certain gap, which may be 200mm, needs to be reserved when the concrete 14 is poured into the inner leaf walls 1 of the adjacent upper and lower shear wall structures. For example, the thickness of the mesh reinforcement 12 may be 4mm, and the mesh reinforcement 12 may be plural, and plural mesh reinforcements may be spaced apart from each other, and may have a pitch of 200mm.
In addition, the concrete 14 poured in this place may be fiber concrete made by mixing 1% steel fiber in concrete, and the mixing of steel fiber improves the bearing performance of the concrete 14 to a certain extent, and can achieve the requirements of light weight, heat preservation and fire prevention.
It should be noted that before the vertical angle steel connecting piece 13 is welded on the sandwich layer steel plate 11, operations such as punching, end face milling, beveling and the like need to be performed on the cut steel plate, so as to facilitate subsequent operations. The vertical angle steel connecting piece 13 can effectively support the sandwich layer steel plate 11. Specifically, a plurality of vertical angle steel connecting pieces 13 are arranged at intervals along the length direction of the inner leaf wall 1, and the distance between two adjacent vertical angle steel connecting pieces 13 can be 300mm.
In addition, the sandwich steel plate 11 can be used as a mold for subsequent casting of the concrete 14.
In addition, the mesh reinforcement 12 may be a steel bar truss, that is, a steel bar truss including a plurality of vertical steel bars arranged in parallel and spaced apart, and a plurality of transverse steel bars arranged in parallel and spaced apart, the transverse steel bars and the vertical steel bars being arranged in a crossing manner and welded to form the mesh reinforcement 12.
In this embodiment, the prefabricated shear wall can have better heat preservation performance by arranging the heat preservation layer 2. For example, the material of the insulating layer 2 may specifically be graphite polystyrene board, rock wool board, polyurethane board, extruded sheet, etc., and the thickness of the insulating layer 2 may be determined according to actual requirements.
In addition, the inner wall 102 includes vertical steel plates and vertical angle steels respectively disposed at two sides of the vertical steel plates, the vertical angle steels are provided with steel mesh sheets, and concrete is poured on the steel mesh sheets to form the inner wall 102.
Referring to fig. 1-6, in some embodiments, the exterior wall 101 further includes an insulation layer 2, a fiberglass mesh 21, and a render layer 3; the heat preservation 2 sets up in the one side of keeping away from vertical angle steel connecting piece 13 of sandwich layer steel sheet 11, and the one side of keeping away from sandwich layer steel sheet 11 of heat preservation 2 is provided with glass fiber net 21, and plastering layer 3 sets up the one side of keeping away from heat preservation 2 at glass fiber net 21. The heat preservation layer 2 can promote the thermal insulation performance of shear wall structure, and the one side of keeping away from interior leaf wall 1 at heat preservation layer 2 sets up plastering layer 3 can ensure that the shear wall structure does not hollowly crack.
It should be noted that the insulating layer 2, the glass fiber mesh 21 and the plastering layer 3 are arranged in the following order: the prefabricated inner leaf wall 1 and the sandwich layer steel plate 11 are poured into a whole to form a prefabricated wall board in a prefabricated site by adopting concrete 14, and the prefabricated wall board is transported to a construction site and then is assembled by the heat insulation layer 2, the glass fiber net 21 and the plastering layer 3.
Referring to fig. 1 to 19, in some embodiments, an anchor bolt coupling nut 15 is provided on a side of the sandwich steel plate 11 adjacent to the insulating layer 2, a coupling hole is provided in the insulating layer 2 at a position corresponding to the anchor bolt coupling nut 15, and the insulating layer 2 is coupled to the sandwich steel plate 11 by an anchor bolt 16 inserted into the coupling hole and the anchor bolt coupling nut 15.
During the concrete realization, heat preservation 2 and sandwich layer steel sheet 11 need ensure crab-bolt coupling nut 15 the hookup location on sandwich layer steel sheet 11 when being connected, through ensuring the position accuracy of crab-bolt coupling nut 15 on sandwich layer steel sheet 11 to be convenient for realize being connected of crab-bolt 16 and crab-bolt coupling nut 15.
Therefore, in the construction process of forming the inner leaf wall 1 by pouring, when the vertical angle steel connecting piece 13 is welded on the sandwich layer steel plate 11, the position of the anchor bolt connecting nut 15 can be determined on the sandwich layer steel plate 11, and then the anchor bolt connecting nut 15 is welded on the sandwich layer steel plate 11.
Exemplarily, crab-bolt coupling nut 15 can be a plurality of, and a plurality of crab-bolt coupling nuts 15 set up along sandwich layer steel sheet 11's length direction interval, and crab-bolt 16 also sets up to a plurality ofly, and crab-bolt 16 and crab-bolt coupling nut 15 one-to-one.
Referring to fig. 1 to 5, in some embodiments, a bolt positioning plate 18 is disposed on a side of the sandwich layer steel plate 11 away from the insulating layer 2, a first positioning hole is disposed on the bolt positioning plate 18, a second positioning hole is disposed on the sandwich layer steel plate 11, and the bolt positioning plate 18 is connected to the sandwich layer steel plate 11 through a bolt 17 penetrating through the first positioning hole and the second positioning hole.
In specific implementation, the bolts 17 can be used for conveniently realizing the connection between two prefabricated shear wall structures which are adjacent up and down. For example, one end of each inner leaf wall is provided with a corner, threaded holes are formed in corresponding positions of the corners of the inner leaf walls of two adjacent prefabricated shear wall structures, namely holes are punched in advance, bolts 17 penetrate through the bolt positioning plates 18 and then sequentially penetrate through the threaded holes of different prefabricated shear walls to connect the two adjacent prefabricated shear walls together, and a gap is formed between the two adjacent prefabricated shear wall structures so as to facilitate welding connection.
Referring to fig. 1 to 12, in some embodiments, the inner leaf wall 1 has a reserved gap 19 extending along the length of the inner leaf wall 1 on the side away from the insulating layer 2, and a concrete edge steel strip 71 is disposed in the reserved gap 19.
Further, the prefabricated shear wall system also comprises a beam 5 and a composite floor slab 6; the beam 5 is connected on the sandwich layer steel plate 11, the edge of the composite floor slab 6 is provided with a first floor angle steel 4, and the first floor angle steel 4 is respectively connected with a concrete edge steel plate strip 71 and the lower flange of the beam 5.
Specifically, the first floor angle steel 4 at the edge of the composite floor 6 may be welded to the lower flange of the beam 5 and the concrete edge steel lath 71, respectively, and a steel plate 7 overlapping the beam 5 is further disposed between two adjacent concrete edge steel laths 71.
Specifically, referring to fig. 16 to 18, in some embodiments, composite floor 6 may be specifically composed of profiled steel sheets 61 and floor concrete 62. The profiled steel sheet 61 is used as a permanent template, a reinforcing mesh structure 63 is arranged in the profiled steel sheet, floor concrete 62 is poured and filled, and the floor concrete 62 can be made of ceramsite, polyphenyl granules, expanded perlite and the like as the floor concrete 62 material, so that the strength requirement is met, and the light heat insulation can be realized. In this case, the first floor angle 4 may be welded to the profiled steel sheet 61.
In addition, the composite floor slab 6 in this embodiment has the advantage that it can be separated into pipelines, the beams are short beams, and an empty space is formed when the floor is laid on the beams, that is, the grooves of the profiled steel sheet 61 can be used as an empty space for laying pipelines.
In addition, be provided with first floor angle 4 around composite floor 6, the purpose of doing so is convenient for fix composite floor 6 to the wall body on, and the characteristics are different with ordinary profiled sheet composite floor, and composite floor 6 of this embodiment is installed in the inversion, and namely floor concrete 62 is under, and profiled sheet 61 is on, can satisfy the fire prevention requirement.
Referring to fig. 1 to 12, in some embodiments, steel plate boxes 8 are disposed on the inner walls of the inner leaf walls 1 at opposite sides corresponding to the beams 5, the steel plate boxes 8 are welded to sandwich layer steel plates 11, sockets with openings facing the beams 5 are formed in the steel plate boxes 8, two ends of the beams 5 are respectively inserted into the corresponding steel plate boxes 8, and grouting material is poured into the steel plate boxes 8, so that the beams 5 and the inner leaf walls 1 are reliably connected.
During the concrete realization, can be at the tip welding steel connecting plate that corresponds with steel sheet box 8 of roof beam 5, can make things convenient for building site hoist and mount roof beam 5 like this, the size of steel sheet box 8 can be confirmed by roof beam 5, and need reserve 19 installation steel sheet boxes 8 of gap when pouring interior leaf wall 1, all do the truncation with reinforcing bar net 12 and the first floor angle steel 4 of 8 reservation space conflicts of steel sheet box in interior leaf wall 1, grout in steel sheet box 8 after roof beam 5 assembly is accomplished, to flushing with the surface of interior leaf wall 1.
Example two
Referring to fig. 1 to 20, the embodiment further provides a construction method of the prefabricated shear wall system, which is used for preparing the prefabricated shear wall system of the embodiment, and the construction operation of the prefabricated shear wall system can be rapidly and efficiently completed by the method, so that the construction efficiency is greatly improved. .
The specific structure and implementation principle of the prefabricated shear wall system in this embodiment are the same as those of the prefabricated shear wall system provided in the first embodiment, and the same or similar technical effects can be brought, so that details are not repeated here, and specific reference may be made to the description of the first embodiment.
Specifically, the construction method comprises the following steps:
s101, prefabricating and forming a plurality of shear wall structures in a prefabricating site, wherein each shear wall structure comprises a prefabricated outer wall and a prefabricated inner wall, and the outer wall and the inner wall are connected and enclosed to form a wall body; the outer wall comprises a sandwich layer steel plate and an inner leaf wall, the inner leaf wall comprises a steel mesh and at least one vertical angle steel connector, the vertical angle steel connector is connected to one side of the sandwich layer steel plate, the steel mesh is connected to one side, far away from the sandwich layer steel plate, of the vertical angle steel connector, and the vertical angle steel connector and the steel mesh are cast into a whole by adopting concrete to form the inner leaf wall;
s102, transporting the plurality of prefabricated and molded shear wall structures, composite floor slabs and beams to a construction site;
s103, installing a heat insulation layer on one side, far away from the vertical angle steel connecting piece, of the sandwich layer steel plate, paving a glass fiber net on one side, far away from the sandwich layer steel plate, of the heat insulation layer, and then smearing a plastering layer;
and S104, completing assembly to form a prefabricated shear wall system.
That is to say, the prefabricated shear wall system provided by this embodiment of the construction method of the prefabricated shear wall system provided by this embodiment includes a plurality of prefabricated shear wall structures, each shear wall structure includes a prefabricated outer wall 101 and a prefabricated inner wall 102, and the outer wall 101 and the inner wall 102 are connected and enclosed to form a wall body; the outer wall 101 comprises a prefabricated inner leaf wall 1 and a sandwich layer steel plate 11, a shear wall structure can be formed by adopting the prefabricated outer wall 101 and only needing to transport the prefabricated outer wall 101 to a construction site and then assemble the prefabricated outer wall 101 with the prefabricated inner wall 102, a plurality of shear wall structures can be assembled to form a shear wall system, compared with a mode of forming the shear wall structure by pouring concrete in situ, the prefabricated shear wall system can accelerate the field construction process to a certain extent, and the vertical angle steel connecting piece 13 in the shear wall structure can effectively improve the overall structural rigidity and strength of the shear wall structure, so that the shear wall system can be prevented from lateral instability, and the anti-seismic performance can be improved.
During concrete implementation, all shear wall structures are prefabricated in a factory, the shear wall structures with the corners 200mm long are vertically spliced at the corner positions of the sandwich layer steel plates 11, the sandwich layer steel plates 11 between the spliced shear wall structures are welded with one another to form first welding seams 91, the shear wall structures can be changed into groove shapes or T shapes from straight shapes, and the shear wall structures are integrally transported to a construction site, so that the assembly efficiency can be further improved. In addition, a gap of 20mm is reserved at the concrete 14 of the inner leaf wall 1 at the joint of the units of the shear wall, so that the adjacent sandwich layer steel plates 11 are welded during construction, grouting is performed after welding is completed, and the gap is covered by decoration during later construction. In order to ensure the welding quality and reduce the deformation of the sandwich layer steel plates 11 during welding, grooves are formed in the welding positions of all the sandwich layer steel plates 11 to prevent the steel plates from being welded through, and a 3mm steel base plate is additionally arranged on the back of a welding line. At the splicing corner of the shear wall structure, as shown in fig. 11, a lap joint steel plate is welded at the position of the sandwich layer steel plate 11, the exposed concrete 14 is about 50mm, the lap joint steel plate is welded with the groove of the sandwich layer steel plate of the inner leaf wall 1 to form a second welding line 92, and after the assembly is finished, mortar is poured to fill the gap between the two.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "...," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. 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 disclosure. Thus, the present disclosure 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 (9)
1. A prefabricated shear wall system is characterized by comprising a plurality of prefabricated shear wall structures;
the shear wall structure comprises a prefabricated outer wall (101) and a prefabricated inner wall (102), wherein the outer wall (101) and the inner wall (102) are connected and enclosed to form a wall body; outer wall (101) are including sandwich layer steel sheet (11) and interior leaf wall (1), interior leaf wall (1) is including reinforcing bar net (12) and at least one vertical angle steel connecting piece (13), vertical angle steel connecting piece (13) are connected one side of sandwich layer steel sheet (11), reinforcing bar net (12) are connected keeping away from of vertical angle steel connecting piece (13) one side of sandwich layer steel sheet (11), just vertical angle steel connecting piece (13) and reinforcing bar net (12) adopt concrete (14) to pour as an organic wholely in order to form interior leaf wall (1).
2. The precast shear wall system according to claim 1, wherein the outer wall (101) further comprises an insulation layer (2), a glass fiber net (21) and a plastering layer (3); heat preservation (2) set up keeping away from of sandwich layer steel sheet (11) one side of vertical angle steel connecting piece (13), keeping away from of heat preservation (2) one side of sandwich layer steel sheet (11) is provided with glass fiber net (21), plastering layer (3) set up keeping away from of glass fiber net (21) one side of heat preservation (2).
3. The precast shear wall system according to claim 2, characterized in that one side of the sandwich layer steel plate (11) close to the heat preservation layer (2) is provided with an anchor bolt connecting nut (15), a connecting hole is formed in the position, corresponding to the anchor bolt connecting nut (15), of the heat preservation layer (2), and the heat preservation layer (2) is connected to the sandwich layer steel plate (11) through an anchor bolt (16) penetrating through the connecting hole and the anchor bolt connecting nut (15).
4. The precast shear wall system according to claim 2, wherein a bolt positioning plate (18) is arranged on one side of the sandwich layer steel plate (11) away from the insulating layer (2), a first positioning hole is formed in the bolt positioning plate (18), a second positioning hole is formed in the sandwich layer steel plate (11), and the bolt positioning plate (18) is connected to the sandwich layer steel plate (11) through bolts (17) penetrating through the first positioning hole and the second positioning hole.
5. The precast shear wall system according to claim 2, characterized in that the inner leaf wall (1) has a reserved gap on the side away from the insulating layer (2), and a concrete edge steel strip (71) is arranged in the reserved gap.
6. The precast shear wall system of claim 5, further comprising a beam (5) and a composite floor slab (6);
roof beam (5) are connected on sandwich layer steel sheet (11), the outer fringe of composite floor (6) is provided with first floor angle steel (4), first floor angle steel (4) respectively with concrete edge lath (71) with the bottom flange of roof beam (5) is connected.
7. The precast shear wall system of claim 6, wherein the composite floor slab (6) comprises a profiled steel sheet (61), a steel bar net structure (63) and a floor slab concrete (62), the steel bar net structure (63) is arranged on the profiled steel sheet (61), and the floor slab concrete (62) is cast on the steel bar net structure (63);
the first floor angle steel (4) is connected with the profiled steel sheet (61).
8. The precast shear wall system according to claim 6, wherein steel plate boxes (8) are arranged at positions, corresponding to the beams (5), of inner walls at two opposite sides of the inner leaf wall (1), the steel plate boxes (8) are welded with the sandwich layer steel plates (11), the steel plate boxes (8) are provided with insertion ports with openings facing the beams (5), two ends of the beams (5) are respectively inserted into the corresponding steel plate boxes (8), and grouting materials are filled in the steel plate boxes (8).
9. A method of constructing a precast shear wall system according to any one of claims 1 to 8, the method comprising:
prefabricating and forming a plurality of shear wall structures in a prefabrication site, wherein each shear wall structure comprises a prefabricated outer wall and a prefabricated inner wall, and the outer wall and the inner wall are connected and enclosed to form a wall body; the outer wall comprises a sandwich layer steel plate and an inner leaf wall, the inner leaf wall comprises a steel mesh and at least one vertical angle steel connector, the vertical angle steel connector is connected to one side of the sandwich layer steel plate, the steel mesh is connected to one side, far away from the sandwich layer steel plate, of the vertical angle steel connector, and the vertical angle steel connector and the steel mesh are cast into a whole by adopting concrete to form the inner leaf wall;
transporting a plurality of prefabricated and molded shear wall structures, composite floor slabs and beams to a construction site;
installing a heat insulation layer on one side of the sandwich layer steel plate far away from the vertical angle steel connecting piece, laying a glass fiber net on one side of the heat insulation layer far away from the sandwich layer steel plate, and then smearing a plastering layer;
and finishing the assembly to form the prefabricated shear wall system.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080282634A1 (en) * | 2006-05-18 | 2008-11-20 | Ping Qu | Composite Concrete Shear Wall for Heat Insulation |
| CN106639045A (en) * | 2016-12-29 | 2017-05-10 | 中通钢构股份有限公司 | Prefabricated assembly type steel plate-concrete composite shear wall structure system and construction method thereof |
| KR20170061981A (en) * | 2015-11-27 | 2017-06-07 | 서울과학기술대학교 산학협력단 | Seismic retrofit structure for reinforcing wall of mansonry |
| CN110093997A (en) * | 2019-05-14 | 2019-08-06 | 山东大学 | A kind of prefabricated sandwich heat preservation overlapping concrete shear force wall and its preparation method and application |
| CN209686602U (en) * | 2019-02-21 | 2019-11-26 | 汉尔姆建筑科技有限公司 | A kind of connection structure of steel plate shear force wall and floor |
| US20210372156A1 (en) * | 2018-04-28 | 2021-12-02 | Zhengzhou University | Function-recovering energy-dissipating reinforced concrete shear wall and construction method thereof |
| CN115030312A (en) * | 2021-05-28 | 2022-09-09 | 张春 | Steel construction building assembles adapting unit |
| CN115162505A (en) * | 2022-09-06 | 2022-10-11 | 中南大学 | Key groove connected full-assembly integral building system and construction method |
-
2023
- 2023-03-14 CN CN202310238785.5A patent/CN115977275B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080282634A1 (en) * | 2006-05-18 | 2008-11-20 | Ping Qu | Composite Concrete Shear Wall for Heat Insulation |
| KR20170061981A (en) * | 2015-11-27 | 2017-06-07 | 서울과학기술대학교 산학협력단 | Seismic retrofit structure for reinforcing wall of mansonry |
| CN106639045A (en) * | 2016-12-29 | 2017-05-10 | 中通钢构股份有限公司 | Prefabricated assembly type steel plate-concrete composite shear wall structure system and construction method thereof |
| US20210372156A1 (en) * | 2018-04-28 | 2021-12-02 | Zhengzhou University | Function-recovering energy-dissipating reinforced concrete shear wall and construction method thereof |
| CN209686602U (en) * | 2019-02-21 | 2019-11-26 | 汉尔姆建筑科技有限公司 | A kind of connection structure of steel plate shear force wall and floor |
| CN110093997A (en) * | 2019-05-14 | 2019-08-06 | 山东大学 | A kind of prefabricated sandwich heat preservation overlapping concrete shear force wall and its preparation method and application |
| CN115030312A (en) * | 2021-05-28 | 2022-09-09 | 张春 | Steel construction building assembles adapting unit |
| CN115162505A (en) * | 2022-09-06 | 2022-10-11 | 中南大学 | Key groove connected full-assembly integral building system and construction method |
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