CN115653189A - Full-assembly composite shear wall panel with key grooves and centralized reinforcing bars - Google Patents
Full-assembly composite shear wall panel with key grooves and centralized reinforcing bars Download PDFInfo
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- CN115653189A CN115653189A CN202211084413.3A CN202211084413A CN115653189A CN 115653189 A CN115653189 A CN 115653189A CN 202211084413 A CN202211084413 A CN 202211084413A CN 115653189 A CN115653189 A CN 115653189A
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Abstract
The invention discloses a fully-assembled composite shear wall panel connected by key grooves and centralized reinforcing bars, which comprises a concrete structure layer, vertical preformed holes, a heat insulation layer and a building decoration layer. The heat-insulating layer and the structural layer pass through a non-metal connecting piece, and then a facing layer is manufactured outside the heat-insulating layer to form an integral composite wallboard; the concrete wallboard is provided with horizontal keyway formula seam from top to bottom, and the surface is provided with vertical recess formula seam about and, thereby fill the grout that excels in and seal the vertical joint strength of very big degree lift plate after concentrated arrangement of reinforcement is connected in the reservation hole. The composite shear wall panel has the remarkable advantages of self-bearing, mold-free construction and structure-heat preservation and insulation-building decoration integrated molding, and solves the technical problems that the existing assembly type building shear wall panel is weak in joint performance and difficult to popularize to high-rise and even high-rise buildings.
Description
Technical Field
The invention relates to the technical field of building external enclosure structures, in particular to a fully-assembled composite shear wall panel with key grooves and centralized reinforcing bars.
Background
The shear wall is used as an important enclosure structure form in modern buildings (particularly high-rise buildings), has the advantages of great self weight, good anti-seismic performance, high bearing capacity and the like, and is widely applied to various building structures. With the development of social economy and the green industrialized building concept in recent years, the use proportion of the assembled shear wall (PSW) in the building maintenance structure of each big city in China is continuously improved. In recent years, with the increasing of domestic building energy consumption, the traditional PSW member connection still mainly adopts a wet operation mode of cast-in-place nodes, a large amount of equipment such as construction molds, supports and the like is needed, the labor and capital burden is increased, and meanwhile, the pollution to the surrounding environment is serious; in addition, traditional PSW component is from great, and prefabricated component hoist and mount difficulty, consequently the loaded down with trivial details and the construction cycle of process when later stage scene is assembled, and the mechanical and physical properties of weak department is connected to the wallboard can not effectively be ensured.
Disclosure of Invention
The invention provides a full-assembly composite shear wall panel with key grooves and centralized reinforcing bars, which is used for solving the technical problems that the existing assembly wall panel is limited in use in multi-story and high-rise buildings, low in site construction efficiency, poor in anti-seismic performance of joint joints, difficult to guarantee the use quality and the like.
In order to solve the technical problem, the invention adopts the following technical scheme:
a full-assembly composite shear wall panel with key grooves and centralized reinforcing bars comprises a concrete structure layer and a heat insulation layer, wherein the concrete structure layer is provided with reserved holes, and the reserved holes penetrate through the whole concrete structure layer; the composite shear wall panels are connected in the vertical direction through the grouting and sealing after the concentrated bundled joint bars in the reserved holes are lapped.
The design idea of the technical scheme is that the concentrated bundling joint bars are arranged in the reserved holes of the wall boards, the concentrated bundling joint bars of different composite shear wall boards can be in staggered lap joint connection, the reserved holes are filled after accurate positioning is achieved, the vertical connection form of the wall boards is simplified, and meanwhile the joint anti-seismic performance is greatly improved. In addition, the setting of reserving the hole has reduced the component dead weight, has improved assembled shear force wall board from great in the past, the shortcoming of the hoist and mount transportation of being not convenient for.
As a further preferred option of the above technical scheme, the thickness of the composite shear wall panel is 200mm, the thickness of the thermal insulation layer is 40 mm-80 mm, and the connecting pieces are uniformly and alternately arranged in the plane and the out-of-plane directions of the wall panel, which is beneficial to improving the link performance.
As a further preferred aspect of the above technical solution, the number of the preformed holes is 3 to 5, and the shape, size, spacing distance, and setting position of the preformed holes are all kept consistent. The consistency of the reserved holes in all aspects is kept, the steel bar lapping efficiency can be improved when the composite shear wall panels are assembled on site, and the connection performance between the wall panels is ensured.
As a further optimization of the technical scheme, a plurality of centralized bundled joint bars are arranged in the reserved holes and are placed side by side and in staggered lap joint to form a centralized bundled joint bar lap joint section, so that the connection performance between the wall boards is improved, and the anti-seismic performance of the horizontal joint is enhanced.
As a further preferred aspect of the above technical solution, the preformed hole is circular, round-ended, square or rectangular;
the diameter of the cross section of the circular reserved hole is 2/5-3/5 of the thickness of the composite shear wall; the side length of the cross section of the square reserved hole is 2/5-3/5 of the thickness of the composite shear wall; the distance between the central axes of the reserved holes of the adjacent circles is 2-3.5 times of the thickness of the composite shear wall.
As a further optimization of the technical scheme, the length of the short axis of the cross section of the circular end-shaped reserved hole is 2/5-3/5 of the thickness of the composite shear wall, and the length of the long axis is 1.5-2.4 times of the thickness of the composite shear wall; the length of the short axis of the cross section of the rectangular reserved hole is 2/5-3/5 of the thickness of the composite shear wall, and the length of the long axis is 1.5-3 times of the thickness of the composite shear wall; the distance between the central axes of the adjacent round-end-shaped or rectangular vertical reserved holes is 2-5 times of the thickness of the composite shear wall. The reserved holes with the sizes cannot cause great adverse effects on the mechanical properties of the concrete structure layer on the premise of reducing the dead weight of the composite shear wall board to the maximum extent.
As a further preferred option of the above technical solution, a reinforcement cage formed by binding a reinforcement mesh is arranged in the concrete structure layer, and the protruding reinforcement and the reinforcement mesh are of an integral structure. The steel bar outlet of the steel bar mesh preset in the concrete structure layer in each direction is used as a protruded steel bar in the vertical hidden-groove type joint, so that the horizontal connection strength of the wallboard is improved.
As a further preferred aspect of the above technical solution, the composite shear wall panel is provided with a horizontal keyway type seam and a vertical groove type seam, and the horizontal keyway type seam includes an upper groove structure B and a lower protruding tooth structure provided on the composite shear wall panel; the vertical groove type joints comprise groove structures A arranged on the surfaces of the wall boards and protruding reinforcing steel bars arranged in the groove structures A, and the keyway type joints among different wall boards can be matched and spliced to form vertical blind grooves; the horizontal keyway seam is the same size as the vertical groove seam, the thickness is 50 mm-100 mm, and the width is 100 mm-150 mm.
As a further preferable mode of the above technical solution, the size of the groove structure a is determined by the thickness of the composite shear wall and the lap length of the horizontal steel bars: the length of the short side of the vertical blind groove formed after the two groove structures A are connected is 3/5-4/5 of the thickness of the composite shear wall, and the length of the long side is determined by the size of the horizontal reinforcing steel bars and grouting materials. When the grouting material is self-compacting concrete, the length of the long side is preferably 40d; when the grouting material is made of ultra-high performance concrete, the length of the long side is preferably 25d.
As a further preferable mode of the above technical solution, the length of the protruding reinforcing steel bar is determined according to the design requirement overlapping length and the grouting material type. When the grouting material adopts self-compacting concrete, the length of the outlet rib is 30d; when the grouting material is made of ultra-high performance concrete, the length of the output rib is 15d.
As a further optimization of the technical scheme, the heat-insulating layer is provided with a plurality of connecting holes, connecting pieces used for connecting the concrete structure layer and the heat-insulating layer are arranged in the connecting holes, and the connecting pieces are non-metal sawtooth-shaped connecting pieces. The fiber material reinforced nonmetal sawtooth-shaped connecting piece (one of carbon fiber, glass fiber and modified polyurethane fiber material) adopted by the optimal scheme not only enhances the connection performance between the heat-insulating layer and the concrete structure layer, reduces the cost, and improves the overall performance of the composite shear wall board, but also avoids the problem that the heat-insulating performance of the wall board is reduced because the metal connecting piece forms a cold bridge and a heat bridge on the wall board.
As a further optimization of the technical scheme, a finishing layer is further arranged outside the heat-insulating layer, and the finishing layer is at least one of a light fiber cement board, a calcium silicate board, a fluorocarbon paint layer and a color mortar layer; before the veneer layer is installed, a flexible elastic putty layer is placed in the veneer layer and the heat insulation layer in advance, so that the heat insulation material and the veneer layer are prevented from being cracked and peeled off prematurely.
As a further preferred option of the above technical solution, the composite shear wall panel is provided with a hidden column structure having a width of 400mm and provided with longitudinal bars at the left and right edges of the concrete structure layer, the thickness of the hidden column structure is consistent with the thickness of the concrete structure layer, and the longitudinal bars are bound by the stirrups to form a reinforcement cage; reserving concrete in a vertical joint area within a certain distance range at the edge of the hidden column area; and pouring and forming the concrete structure layer of the wall panel together when the concrete structure layer of the wall panel is poured.
Based on the same technical concept, the application also provides a preparation method of the composite shear wall panel, which specifically comprises the following steps:
s1, determining the size of a reserved hole according to the size of a designed composite shear wall board, so as to manufacture a concrete structure layer and a template required by pouring the reserved hole, wherein the reserved hole mold is placed in the template and is bound with a steel wire rope and a steel mesh so as to reduce the buoyancy effect of concrete and enable the position of the reserved hole to deviate; then cleaning residues in the template, coating a film agent and assembling a fixed template;
s2, placing the reinforcing mesh and the embedded column reinforcement cages in the erected template, and pouring concrete to form a concrete structure layer and embedded columns; when concrete is poured, vibration is carried out while pouring so as to ensure the pouring quality;
s3, after the concrete structure layer 1 is poured, removing surface residues, and paving a heat-insulating layer on the concrete structure layer (the connecting piece is tightly and adhesively arranged in a connecting hole of the heat-insulating layer through bar planting glue); after the laying is finished, the connecting piece is anchored in the concrete structure layer;
and S4, after the heat-insulating layer is laid in the step S3, smearing adhesive materials (such as anti-crack mortar and resin materials) on the facing layer (such as a fiber cement board and a calcium silicate board) in advance and adhering the facing layer to the outer side of the heat-insulating layer. In addition, special paint can be adopted for tin spraying decoration (the material is at least one of fluorocarbon paint, real stone paint and stone-like paint);
s5, after the procedures S1-S4 are finished, materials such as a level gauge, a tape measure and the like are adopted to measure and observe whether three laminated plates with different structures are flush in the superposition direction and whether redundant pouring parts or fluffy parts exist around the plates or not, and if the situation is found, the plates need to be cleaned in time;
and S6, removing the formwork of the composite shear wall panel, hoisting and transporting the composite shear wall panel to a site, and then assembling the composite shear wall panel.
Based on the same technical concept, the application also provides a construction method of the vertical joint of the composite wallboard, which specifically comprises the following steps:
s1, determining the sizes of a left composite shear wall and a right composite shear wall, the shape and the size of a vertical reserved hole, the horizontal dimension and the vertical seam dimension according to the design requirements of the shear wall, manufacturing templates of the upper composite shear wall and the lower composite shear wall, and reserving the position of the vertical hole along the length direction of the upper composite shear wall and the lower composite shear wall.
S2, binding the structural ribs of the left composite shear wall and the right composite shear wall respectively, keeping the length of the protruding reinforcing steel bars extending out of the vertical groove, fixing the respective positions of the horizontal reinforcing steel bars of the left composite shear wall and the right composite shear wall, enabling the adjacent horizontal reinforcing steel bars of the left composite shear wall and the right composite shear wall at the same height to be the same in distance, staggering a certain distance respectively to ensure that the adjacent horizontal reinforcing steel bars extend out of the groove to form staggered lap joints, and pouring concrete after installation and binding are finished.
And S3, installing one end of the non-metal connecting piece in the concrete shear wall, pouring the non-metal connecting piece and the wallboard together to form a whole, and anchoring the other end of the non-metal connecting piece in the insulation board after penetrating through the hole of the board surface of the insulation board. The facing layer is bonded on the outer side of the heat preservation plate through cementing materials such as anti-crack mortar and the like, and the mold is removed after maintenance.
And S4, hoisting the left composite shear wall in place after maintenance, positioning the grooves and the vertical holes of the right composite shear wall from top to bottom, and connecting and maintaining the horizontal key groove type joints after hoisting.
S5, inserting the reinforcing bars of the vertical holes of the left and right composite shear walls into the holes, optionally placing vertical reinforcing steel bars or reinforcing steel bar cages in hollow holes formed in the grooves of the vertical joints of the composite shear walls according to design requirements, then simultaneously grouting and sealing the hollow holes and the vertical reserved holes formed by the vertical joints, and carrying out conventional maintenance on the poured composite shear walls.
Compared with the prior art, the invention has the advantages that:
1. the invention has the remarkable advantages that the reserved holes are internally and intensively matched with the joint bars in a staggered lap joint manner, the holes are sealed after the high-strength grouting material is filled after the positioning is accurate, the connection performance between the wallboards is improved, the joint anti-seismic performance is also greatly improved, and the invention particularly improves the phenomena that the joints of the prefabricated shear wall wallboards of high-rise buildings are poor in anti-seismic performance and the joints are easy to be damaged in advance under the action of external loads; in addition, the number of vertical connecting steel bars of the conventional prefabricated wall board is greatly reduced by a mode of centralized matching of the vertical holes, the construction difficulty and the working procedures of components are simplified, and the self weight of the wall board is reduced;
2. the composite shear wall panel is a self-bearing wall panel which is prefabricated in a factory, has a structure, is heat-insulating and is integrally formed by decoration, so that an innovative building construction mode of 'mould-free construction' is realized; the horizontal key groove type joint and the vertical groove type joint arranged on the wallboard reduce manpower and mechanical equipment required to be input for subsequent field installation and connection, and the vertical mode of the preformed holes for intensively assembling the joint bars is more simplified than the traditional prefabricated wallboard connection mode, so that the quality is easier to control;
3. the invention adopts the nonmetal expansion type connecting piece, thereby not only enhancing the integral performance of the wallboard, but also solving the problems of cold and heat bridges easily generated in the metal connecting piece, and overcoming the problems of poor fire resistance and moisture resistance of the traditional organic heat-insulating material;
4. the facing layer is made of materials which not only have light dead weight and high strength, but also play a good role in protecting the inner side heat-insulating layer. In addition, compared with common decorative materials or decorative plates, the service life of the decorative plate is more excellent in durability, and subsequent frequent decoration and replacement are not needed.
Drawings
FIG. 1 is a schematic representation of the construction of the composite shear wall panel of example 1;
FIG. 2 is a schematic view of the construction of the composite shear wall panel of example 1;
FIG. 3 is a side cross-sectional view of the composite shear wall panel of example 1;
FIG. 4 is a schematic view of the overall connection between the composite shear wall panels of example 1;
FIG. 5 is a schematic front view of the connection of the upper and lower wall panels of the composite shear wall with centralized reinforcement in accordance with example 1;
FIG. 6 is a side sectional view showing the concentrated reinforcement connection of the upper and lower wall panels of the composite shear wall according to example 1;
FIG. 7 is a top view of the vertical groove connection of the composite shear wall panel of example 1;
FIG. 8 is a schematic view of the construction of the composite shear wall panel of example 2;
FIG. 9 is a schematic structural view of the composite shear wall panel of example 2;
fig. 10 is a schematic structural view of the connector.
Illustration of the drawings:
1. a concrete structural layer; 2. a heat-insulating layer; 3. a finishing layer; 4. reserving holes; 5. a connecting member; 6. intensively assembling and inserting the ribs; 7. a groove structure B; 8. a reinforcing mesh; 9. stretching the ribs; 10. a convex tooth structure; 11. a horse teeth rubbing structure; 12. hooping; 13. A hidden column; 14. the vertical groove on the right side is jointed; 15. seaming the left vertical groove; 16. seaming a vertical groove outside the plane; 17. hidden column longitudinal ribs; 18. extruding the steel bars; 19. setting a pulp layer; 20. a vertical blind groove; 21. and (4) a groove structure A.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Example 1:
as shown in fig. 1 to 7, the composite shear wall panel of this embodiment includes a concrete structure layer 1 and a heat insulation layer 2, a preformed hole 4 penetrating through the whole concrete structure layer 1 is provided on the concrete structure layer 1 along a vertical direction, a concentrated bundled dowel bar 6 is provided in the preformed hole 4, the composite shear wall panel is overlapped in a staggered manner and sealed by grouting through the concentrated bundled dowel bar 6 in the preformed hole 4, and connection of the composite shear wall panel in the vertical direction is achieved. The composite shear wall panel is provided with a horizontal key groove type seam which comprises a groove structure B7 and a convex tooth structure 10, and the connection of the upper wall panel and the lower wall panel is completed through a mortar layer 19 and a concentrated matching joint bar 6; the wallboard still is provided with vertical fluted body seam, including left side vertical fluted body seam 15, right side vertical fluted body seam 14 and the vertical fluted body seam 16 outside the plane, wherein vertical fluted body seam comprises groove structure A21 and the outstanding reinforcing bar 18 of setting in groove structure A21 that sets up on the wallboard surface, it forms vertical camera obscura 20 to fill the grout that excels in after the identical alignment concatenation, and be provided with reinforcing bar net 8 in the concrete structure layer 1, reinforcing bar net 8 is connected by drawknot muscle 9 and is formed the steel reinforcement cage, left side vertical fluted body seam 15, outstanding reinforcing bar 18 in the vertical fluted body seam 14 of right side and reinforcing bar net 8 structure as an organic whole, align to form the camera obscura that includes outstanding reinforcing bar 18 in the horizontal direction.
Open on 2 surfaces of heat preservation has a plurality of connection holes, scribble the bar planting in the connection hole and glue, connecting piece 5 is arranged in the connection hole, realize through connecting piece 5 that concrete structure layer 1 and heat preservation 2 between installation and fixed, as shown in fig. 10, connecting piece 5 adopts the fibre reinforced material preparation to form (be the carbon fiber, one kind among glass fiber or the polyurethane reinforcing fiber), the surface is coarse cockscomb structure, have toughness height, intensity is big, be difficult for buckling etc. characteristics, especially, can reduce the energy consumption loss that traditional metal connecting piece's heat bridge phenomenon brought, but zonulae occludens concrete structure layer 1 and heat preservation 2, improve the whole atress performance of wallboard.
A decorative surface layer 3 is arranged outside the heat-insulating layer 2.
The thickness of the concrete structure layer 1 is 200mm, the thickness of the heat insulation layer 2 is 60mm, the finish coat 3 is made of fluorocarbon paint materials or fiber cement boards to enhance the moisture resistance and corrosion resistance of the wallboard, and the thickness is 10-15 mm.
The embedded columns 13 are arranged in the range of 400 mm-500 mm at the edge of the composite shear wall panel, the HRB400 embedded column longitudinal ribs 17 with the diameter of 14 mm-16 mm are arranged in the embedded columns 13 in double rows, and the embedded columns are bound by the stirrups 12 to form a reinforcement cage to enhance the anti-seismic performance and the lateral stiffness of the wall panel.
HRB400 steel bars with the diameter of 8-10 mm are adopted as the distributed steel bars of the steel bar net 8, and the distance between the HRB400 steel bars is 150mm; the transverse horizontally-distributed steel bars extend out of the left side and the right side of the concrete structure layer 1 by about 120-240 mm respectively to form protruding steel bars 18, so that the connection performance of the vertical groove type seam is improved; the nodes of the reinforcing meshes 8 in the transverse and vertical direction are connected by tie bars 9 of reinforcing steel bars with the diameter of 8mmHRB335 to form a reinforcing cage.
The thickness (depth) of the horizontal key groove type joint is 50 mm-100 mm, the width is 100 mm-150 mm, the horizontal key groove type joint and the concrete structure layer 1 are cast together by adopting C30 or C40 concrete, and the horizontal joint is formed by adopting special high-strength joint mortar for mortar setting connection during assembly.
The width of the vertical groove type joints (the left vertical groove joint 15, the right vertical groove joint 14 and the out-of-plane vertical groove joint 16) is 100-150 mm, the joints are in a rectangular or arc groove form, a cavity structure is formed during splicing and butting of the wallboards, the lap joint sections containing the protruding steel bars 18 are arranged in the cavity structure, and the overall anti-seismic performance of the joints of the post-pouring belt is improved.
The shape, size, spacing distance and arrangement position of the reserved holes 4 are kept consistent, the reserved holes 4 are placed near a reinforcing mesh 8 of the concrete structure layer 1 through a PVC mould and are bound by steel wire ropes to reduce the deviation caused by buoyancy influence when concrete is poured, and the diameter of each reserved hole 4 is 80-120 mm.
The diameter of the concentrated distribution joint bars 6 is taken as a suggested value which is 2/3-3/4 of the total area of the reinforcing mesh 8 and the hidden column longitudinal bars 17, and the adverse effects of poor synergic deformation capability of the whole structure, insufficient utilization of the performance of reinforcing steel materials and the like can be caused by overhigh and overlow positions.
The connecting pieces 5 are uniformly arranged in the thickness direction of the wall board and are alternately arranged in a plane and out of the plane to enhance the connection performance of each layer of the wall board.
The connection relationship between the composite shear wall panels is shown in fig. 5-7.
The preparation method of the composite shear wall panel of the embodiment comprises the following steps:
step S1: firstly, manufacturing and erecting a mould for pouring a concrete structure layer 1 and a keyway type joint, and cleaning sundries in the mould;
step S2: placing the connected reinforcing mesh 8, tightly drawing the reinforcing mesh 8 together through a tie bar 9 to form a reinforcement cage, simultaneously binding by using a stirrup 12 to form a hidden column longitudinal bar 17 to form a hidden column reinforcement cage, and then binding a PVC mold required for manufacturing the reserved hole 4 in the mold according to the design position specification and binding the PVC mold together with the reinforcement cage;
and step S3: after the mould and the reinforcement cage in the steps S1 and S2 are installed and connected in place, slowly pouring concrete into the mould, and uniformly vibrating by using a vibrating spear while pouring so as to ensure the pouring quality of the concrete structure layer 1;
and step S4: after the step S3 is completed, the pouring surface is smoothed, the heat preservation layer 2 which is prefabricated and is inserted with the connecting piece 5 is hoisted to the upper side of the concrete structure layer 1, the periphery of the heat preservation layer is laid in an aligned mode, the connecting piece 5 is inserted into the poured concrete, and after curing and hardening, the heat preservation layer and the concrete structure layer 1 are firmly anchored and fixedly combined together;
step S5: after the heat-insulating layer 2 is firmly bonded with the concrete structure layer 1, uniformly smearing a cementing material on the surface layer of the heat-insulating layer 2, and then laying the finish coat 3 on the heat-insulating layer 2 in an aligned manner;
step S6: curing the composite shear wall panel to the designed strength in an indoor environment (in a constant-temperature steam environment if the conditions exist), and then dismantling the mold to obtain the composite shear wall panel.
Example 2:
as shown in fig. 8 and 9, the present embodiment is similar to the composite shear wall panel structure of embodiment 1, except that the keyway type joints are replaced by the horse tooth rubbing structures 11, and a vertical joint connection form of "one concave and one convex" is adopted, which is more convenient for the wall panels to be assembled and connected on site after integrated production and processing in a factory, and the horse tooth rubbing structures 11 are completed by casting the supporting forms and the concrete structure layer 1 on site when prefabricating in the factory;
in this embodiment, the left side and the right side of the horse tooth rubbing structure 11 are symmetrically arranged, one side is in a protruding shape, the other side is in a zigzag shape, and the protruding depth and the recessed depth of the concave-convex connecting seam are kept consistent in the horizontal projection direction, so that the sitting pulp installation and connection on site are facilitated.
In the embodiment, the transversely distributed steel bars in the steel bar mesh 8 are positioned in the concrete structure layer 1 and do not extend out of the crenellated joint at the left side and the right side of the wallboard, the weakening degree of the connection performance of the crenellated joint of the crenellated structure is considered to be higher than that of the connection of the steel bars, the longitudinally distributed steel bars of the steel bar mesh 8 adopt HRB400 steel bars with the diameter of 10mm, the transversely distributed steel bars adopt HRB400 steel bars with the diameter of 10mm, and the distributed steel bars adopt HRB335 tie bars 9 with the diameter of 8mm to form a steel bar cage in a tie mode;
in the embodiment, the length of each sawtooth section of the horsetooth rub structure 11 is basically consistent with the thickness of the horizontal key groove joint, the recommended value is 50-100 mm, the width is 100-150 mm, and in order to ensure the connection performance and the shearing resistance bearing capacity, modification design can be carried out according to the actual engineering requirements and the effect resultant force of the cast-in-place construction process;
in the embodiment, the horse tooth rubbing structure 11 and the formwork of the concrete structure layer 1 are poured together, and the mould has better continuity and sealing performance, so that the conditions of leakage, slurry shortage and the like are prevented from occurring in the concrete pouring process, and the forming quality of the vertical joint is further influenced;
in the embodiment, the cross section is weakened in a mode of a twisted vertical seam of the horse teeth, so that the reserved hole 4 is a circular hole instead of a rectangular hole with a greatly weakened cross section, and the diameter of the reserved hole 4 is 100mm;
the construction sequence and the process of the embodiment are basically the same as those of the embodiment 1, an integral member mould is assumed, a PVC pipeline mould is laid after the inner part of the integral member mould is positioned, a reinforcing mesh 8 is embedded, a concrete structure layer 1 is poured, and a prefabricated heat insulation layer 2 and the concrete structure layer 1 are connected into a whole through a connecting piece 5 before concrete is solidified. When the formwork is used for pouring concrete, attention should be paid to the control of the die erecting method and the construction process of the double-sided horse-tooth rubbing structure of the wallboard so as to form an integral structural layer through one-time pouring.
The above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described examples. It will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit of the invention.
Claims (10)
1. A full-assembly composite shear wall panel with key grooves and concentrated reinforcing bars is characterized by comprising a concrete structure layer (1) and a heat insulation layer (2), wherein the concrete structure layer (1) is provided with reserved holes (4), and the reserved holes (4) vertically penetrate through the whole concrete structure layer (1); the composite shear wall panel is characterized in that concentrated beam-matching joint bars (6) are arranged in the reserved holes (4), and the composite shear wall panels are connected in a lap joint mode through the concentrated beam-matching joint bars (6) in the reserved holes (4) and are sealed in a grouting mode, so that the composite shear wall panels are connected in the vertical direction.
2. The composite shear wall panel according to claim 1, wherein a plurality of concentrated bundled joint bars (6) are arranged in the reserved holes (4), and the concentrated bundled joint bars (6) are arranged side by side and are in staggered lap joint to form a concentrated bundled joint bar lap joint section.
3. A composite shear wall panel according to claim 1, wherein the shape, size, spacing distance and arrangement position of the preformed holes (4) are kept consistent; the maximum diameter of the section of the reserved hole (4) is 2/5-3/5 of the thickness of the concrete structure layer (1).
4. A composite shear wall panel according to any of claims 1 to 3, wherein the composite shear wall panel is provided with vertical grooved joints comprising grooved structures a (21) provided on the surface of the composite shear wall panel and protruding reinforcing bars (18) provided within the grooved structures a (21), wherein the vertical grooved joints between different wall panels can be fitted together to form vertical blind grooves (20).
5. A composite shear wall panel according to claim 4, wherein the concrete structure layer (1) is provided with a mesh reinforcement (8), a reinforcement cage is formed by the tie bars (9), and the protruding bars (18) are integral with the mesh reinforcement (8).
6. A composite shear wall panel according to any of claims 1 to 3, wherein the top and bottom of the composite shear wall panel are provided with horizontal keyway type joints comprising a groove structure B (7) provided at the upper part of the composite shear wall panel and a tongue structure (10) provided at the lower part of the composite shear wall panel.
7. A composite shear wall panel according to any one of claims 1 to 3, wherein the keyway-type seam is the same size as the vertical groove-type seam, and has a thickness of from 50mm to 100mm and a width of from 100mm to 150mm.
8. A composite shear wall panel according to any one of claims 1 to 3, wherein the left and right edges of the composite shear wall panel are provided with embedded columns (13), and concrete in vertical joint areas is reserved within a certain distance range from the areas of the embedded columns (13), and longitudinal bars are arranged in the embedded columns (13) and are bound through the stirrups (12) to form a reinforcement cage.
9. A composite shear wall panel according to any one of claims 1 to 3, wherein the insulation layer (2) is provided with a plurality of connecting holes, the connecting holes are provided with connecting members (5) for connecting the concrete structure layer (1) and the insulation layer (2), and the connecting members (5) are non-metallic serrated connecting members.
10. A composite shear wall panel according to any one of claims 1 to 3, wherein the thermal insulation layer (2) is further provided with a finishing layer (3), and the finishing layer (3) is at least one of a light fiber cement board, a calcium silicate board, a fluorocarbon paint layer and a colored mortar layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211084413.3A CN115653189A (en) | 2022-09-06 | 2022-09-06 | Full-assembly composite shear wall panel with key grooves and centralized reinforcing bars |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211084413.3A CN115653189A (en) | 2022-09-06 | 2022-09-06 | Full-assembly composite shear wall panel with key grooves and centralized reinforcing bars |
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| CN115653189A true CN115653189A (en) | 2023-01-31 |
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| CN202211084413.3A Pending CN115653189A (en) | 2022-09-06 | 2022-09-06 | Full-assembly composite shear wall panel with key grooves and centralized reinforcing bars |
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| WO2014032558A1 (en) * | 2012-08-28 | 2014-03-06 | Chu Mingjin | Assembled and integrated shear wall building structure and construction method |
| CN105442727A (en) * | 2015-12-09 | 2016-03-30 | 浙江大学 | Compound type connection shear wall structure and assembling method thereof |
| CN206467827U (en) * | 2017-01-23 | 2017-09-05 | 河北省建筑科学研究院 | A kind of assembly concrete shear wall |
| CN110468998A (en) * | 2019-08-09 | 2019-11-19 | 中南大学 | A kind of assembled RC shear wall structure connected horizontally and its construction method |
| CN210238999U (en) * | 2019-05-07 | 2020-04-03 | 宁夏中节能新材料有限公司 | Anti-drop decorates compound integration wallboard of heat preservation fire prevention |
| CN112177168A (en) * | 2020-10-20 | 2021-01-05 | 广东草根民墅房屋制造有限公司 | Connecting structure of prefabricated building |
| CN212317228U (en) * | 2020-09-24 | 2021-01-08 | 筑友智造科技投资有限公司 | Wall PC component with heat preservation decoration |
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| CN105442727A (en) * | 2015-12-09 | 2016-03-30 | 浙江大学 | Compound type connection shear wall structure and assembling method thereof |
| CN206467827U (en) * | 2017-01-23 | 2017-09-05 | 河北省建筑科学研究院 | A kind of assembly concrete shear wall |
| CN210238999U (en) * | 2019-05-07 | 2020-04-03 | 宁夏中节能新材料有限公司 | Anti-drop decorates compound integration wallboard of heat preservation fire prevention |
| CN110468998A (en) * | 2019-08-09 | 2019-11-19 | 中南大学 | A kind of assembled RC shear wall structure connected horizontally and its construction method |
| CN212317228U (en) * | 2020-09-24 | 2021-01-08 | 筑友智造科技投资有限公司 | Wall PC component with heat preservation decoration |
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