CN219386748U - Assembled double-interlayer heat-insulation five-layer composite concrete shear wall board with sash leaf plates - Google Patents
Assembled double-interlayer heat-insulation five-layer composite concrete shear wall board with sash leaf plates Download PDFInfo
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Abstract
The utility model discloses an assembled double-interlayer heat-insulation five-layer composite concrete shear wallboard with sash blades, which comprises an outer sash single-row reinforced mesh concrete slab and an inner sash single-row reinforced mesh concrete slab, wherein heat-insulation boards are arranged on the side parts of the outer sash single-row reinforced mesh concrete slab and the inner sash single-row reinforced mesh concrete slab; the dovetail groove of the heat insulation board is connected with the single-row reinforced net concrete slab with the outer leaf frame and the single-row reinforced net concrete slab with the inner leaf frame in a meshed manner, and the single-row reinforced net concrete slab with the outer leaf frame, the heat insulation board, the middle double-row reinforced concrete slab, the heat insulation board and the single-row reinforced net concrete slab with the inner leaf frame form a main body structure of the assembled double-interlayer heat insulation five-layer composite concrete shear wall board with the leaf plate with the leaf frame. The self-tapping screw is connected in a blocking manner and connected with the middle concrete slab through the tie bars, so that the self-tapping screw has the advantages of high-efficiency cooperative stress, earthquake resistance and heat preservation integration of the inner and outer blades and the middle slab.
Description
Technical Field
The utility model relates to an assembled double-interlayer heat-insulation five-layer composite concrete shear wall plate with a frame inner leaf plate and an outer leaf plate, and belongs to the technical field of assembled concrete building structure engineering.
Background
The assembled concrete structure has the multifunctional outer wall with the integrated characteristics of structure, enclosure and heat preservation, and the efficient and reliable assembly and connection technology is a key technology for realizing the ultra-low energy consumption concrete building, and the engineering world at home and abroad is concerned with the consistency. However, the technology is very deficient at present for the high-efficiency assembly type construction technology suitable for multi-story, high-rise and ultra-low energy consumption houses.
Technical bottleneck problem: (1) Traditional assembled concrete shear wall external wall board thermal insulation performance is poor, needs in the wallboard outside, or inboard additional heat preservation in order to reach the heat preservation requirement of low energy consumption building, and traditional outer wall external heat preservation is easily taken off and falls weather resistance poor under wind load, long-term load effect, has led to the frequent emergence of incident, and the interior heat preservation structure of outer wall can reduce house usable floor area, and the interior decoration degree of difficulty and the construction cost of increase. (2) The composite sandwich wall board formed by the inner and outer leaf reinforced net concrete thin plate composite sandwich insulation boards realizes the inner insulation of the wall board, but is limited by the bearing capacity and the anti-seismic performance of the wall board, and most of the wall boards are applied to low-layer assembled concrete structures or applied to high-layer frame structures as externally hung wall boards. The wall body can not be used as a structure, a surrounding and heat-preserving integrated wall body of a high-rise building for engineering application. (3) The assembled double-skin shear wall applied to the high-rise building structure at present comprises a superimposed plate type shear wall and a prefabricated double-sided superimposed shear wall, the problem of connection of the inner and outer leaf concrete plates with the largest stress is not solved, namely, the inner and outer leaf concrete is only used as a template of a core cast-in-situ concrete plate, vertical bearing and earthquake energy consumption are not involved, and the earthquake-resistant efficiency is low. And the heat preservation is only close to the inner leaf or the outer leaf and is arranged in the wall body, so that not only is the heat preservation capacity of the wall board reduced, but also the distribution of each functional surface layer of the wall board is asymmetric, the thickness of the filling material is difficult to ensure in the cast-in-situ process, and the anti-seismic performance of the wall body is adversely affected. (4) Because the thickness of the inner and outer She Bao wallboards is only 40-60 mm, the technology of the traditional shear wall sleeve connecting steel bars is not applicable to the assembly of the inner and outer She Shanpai steel mesh concrete sheets of the frame reinforced inner and outer blade plate double-interlayer heat insulation concrete shear wall at all. (5) The traditional technology of the steel plate bolt connection of the shear wall is not suitable for the assembly of the inner and outer She Shanpai steel mesh concrete sheets of the frame reinforced type inner and outer leaf plate double-interlayer heat insulation concrete shear wall, because the polystyrene plate interlayer and the post-cast concrete layer are arranged between the inner and outer leaf wall plates, the bolt embedded part connection structure is complex in design, high in precision requirement and difficult in construction; meanwhile, the polyphenyl board is not allowed to be perforated and threaded by considering the problem of a thermal bridge, so that the inner and outer leaf concrete thin wall boards are difficult to assemble respectively by adopting a steel plate bolting technology. (6) The self-tapping screw assembly is low in connection cost and convenient to construct, and is different from the self-tapping screw connection light steel joist in that the self-tapping screw assembly is a steel plate-concrete-steel bar combined connection technology, and can be used for respectively connecting the inner and outer She Shanpai reinforced net concrete thin plates, so that the defect of reduced wall heat insulation performance caused by screw penetration of the sandwich polystyrene plate is avoided.
Disclosure of Invention
In order to solve the problems, the utility model provides a novel assembled frame reinforced type inner and outer leaf plate double-interlayer heat-insulation concrete shear wall which can be used as an outer wall of an assembled concrete structure, and is an integral composite wall plate with double-row reinforcement, wherein concrete is poured in the middle of an inner and outer leaf reinforced concrete sheet double-layer interlayer polystyrene plate to form a structure, a surrounding and heat-insulation, and the inner wall is a double-row reinforced shear wall plate.
In order to achieve the purpose, the utility model adopts the technical scheme that the assembled double-interlayer heat-insulation five-layer composite concrete shear wallboard with the inner and outer leaf plates with the frame frames, and the connecting structure between adjacent wallboards, the connecting structure between the inner wall and the outer wall, the connecting node between the wallboards and the floor slab and the construction method are adopted.
The assembled double-interlayer heat-insulation five-layer composite concrete shear wallboard with the inner leaf plates and the outer leaf plates comprises an outer leaf plate single-row reinforced net concrete slab 1 and an inner leaf plate single-row reinforced net concrete slab 2, heat-insulation plates 8 are arranged on the side parts of the outer leaf plate single-row reinforced net concrete slab 1 and the inner leaf plate single-row reinforced net concrete slab 2, and dovetail grooves are formed in the surfaces of the heat-insulation plates 8; the dovetail grooves of the heat preservation plate 8 are connected with the outer leaf-framed single-row reinforced concrete plates 1 and the inner leaf-framed single-row reinforced concrete plates 2 in a meshed mode, and the shearing resistance and the peeling resistance are enhanced.
The vertical direction of the outer leaf single-row reinforced net concrete slab 1 is prefabricated with an outer leaf vertical rib 3, and the horizontal direction is prefabricated with an outer leaf transverse rib 4; the vertical direction of the single-row reinforced net concrete slab 2 with the inner leaf frame is prefabricated with an inner leaf vertical rib 5, and the horizontal direction is prefabricated with an inner leaf transverse rib 6.
The outer leaf plate vertical ribs 3, the outer leaf plate transverse ribs 4, the inner leaf plate vertical ribs 5 and the inner leaf plate transverse ribs 6 are provided with U-shaped clamping groove steel bar pieces 7 with positioning.
A middle double-row reinforced concrete plate 9, a middle double-row reinforced steel truss with vertical steel bars in the middle, a double-row reinforced steel bar net 10 with tie bars in the middle and tie bars 11 for the inner and outer leaf concrete plates to extend into the middle concrete plate are arranged between the heat-insulating plate 8 of the outer leaf single-row reinforced concrete plate 1 with the frame and the heat-insulating plate 8 of the inner leaf single-row reinforced concrete plate 2, and the middle double-row reinforced concrete plate 9 is a middle post-pouring concrete structural layer taking the two heat-insulating plates 8 as templates; the middle double-row steel bar net 10 with the vertical steel bar trusses and the tie bars is formed by truss steel bars of an outer leaf single-row steel bar net concrete plate 1 with the frame, an inner leaf single-row steel bar net concrete plate 2 with the frame, a heat preservation plate 8 and a middle double-row steel bar concrete plate 9, and the middle double-row steel bar net 10 with the vertical steel bar trusses and the tie bars is clamped into a steel bar piece 7 with a positioning U-shaped clamping groove; the tie bars 11 of the inner and outer leaf concrete plates extending into the middle concrete plate are tie bars of the outer leaf single-row reinforced net concrete plate 1, the inner leaf single-row reinforced net concrete plate 2, the heat insulation plate 8 and the middle double-row reinforced concrete plate 9. The main body structure of the assembled double-interlayer heat-insulation five-layer composite concrete shear wallboard with the inner leaf plates and the outer leaf plates is formed by the outer leaf-frame single-row reinforced net concrete slab 1, the heat-insulation plate 8, the middle double-row reinforced concrete slab 9, the heat-insulation plate 8 and the inner leaf-frame single-row reinforced net concrete slab 2.
Further, the single-row reinforced concrete slab 1 with the outer leaf frame and the single-row reinforced concrete slab 2 with the inner leaf frame are prefabricated single-row reinforced concrete sheets with frames, the thickness of the single-row reinforced concrete sheets is 40-60 mm, and single-row reinforced concrete nets which are formed by binding or welding horizontal reinforced bars and vertical reinforced bars with the diameters of 4mm and the intervals of 100mm are arranged inside the single-row reinforced concrete sheets.
Further, the 4mm thick and 40mm wide through long steel plates are welded at the upper end, the lower end, the left end and the right end of the steel mesh arranged in the single-row steel mesh concrete slab 1 with the frame, so as to be used as force transmission steel plates of the self-tapping screw assembly joint 12 of the same-layer adjacent wallboard and the self-tapping screw assembly joint 17 of the outer-leaf concrete slab with the upper and the lower adjacent wallboards.
Further, the left and right ends of the reinforcing mesh arranged in the single-row reinforcing mesh concrete slab 2 with the inner leaf frame are welded with long steel plates with the thickness of 4mm and the width of 40mm to be used as force transmission steel plates of the self-tapping screw assembly connecting nodes 12 of the left and right adjacent wallboards. The inner leaf cross rib 6 serves as a ring beam to support the floor. The sections of the inner leaf-strip-lattice single-row reinforced net concrete plates 2 of the upper and lower composite wallboards, which are connected with the precast concrete floor slabs 19, are provided with lap joint reinforcing steel bars with the same thickness as the precast concrete floor slabs 19, and are connected with the anchor reinforcing steel bars of the precast concrete floor slabs 19 and ring beams of the supporting floor slabs which are used as the inner leaf-plate transverse ribs 6. The inner and outer She Shanpai reinforced net concrete plates extend into the tie bars 11 of the middle concrete plate to be tied with the middle cast-in-situ concrete plate, and the inner and outer leaf plate transverse ribs and the vertical ribs are connected with the middle double-row reinforced concrete plate 9 through ring bars; the single-row reinforced net concrete plates are poured by fine stone concrete, and the strength grade of the concrete is not lower than C30.
Further, the outer leaf plate vertical ribs 3, the inner leaf plate vertical ribs 5, the outer leaf plate transverse ribs 4 and the inner leaf plate transverse ribs 6 are rectangular section frame grid columns and frame beams at two sides of the wallboard outer leaf strip grid single-row reinforced concrete slab 1 and the inner leaf strip grid single-row reinforced concrete slab 2; the vertical concrete frame grid column vertical ribs and the horizontal concrete frame grid Liang Hengle of the outer leaf-strip grid single-row reinforced concrete slab 1 and the inner leaf-strip grid single-row reinforced concrete slab 2 are raised to be the thickness of the heat insulation plate, when the thickness of the inner leaf-strip concrete slab is 50mm and the thickness of the single-layer heat insulation plate is 80mm, the height dimension of the section of the vertical ribs is 130mm, the horizontal dimension is 200mm, 4 longitudinal ribs with the diameter of 6mm and distributed annular ribs with the distance of 200mm and the diameter of 4mm are configured according to constructional columns, the annular ribs extend into 150mm of the middle 200mm thick concrete slab, and the vertical ribs are provided with vertically arranged U-shaped clamping groove steel bar pieces with positioning along the high distribution; the horizontal dimension of the cross section of the transverse rib is 130mm, the height dimension is 200mm, 4 longitudinal ribs with the diameter of 6mm and ring ribs with the diameter of 4mm and the distribution interval of 200mm are configured according to the structural beam, the ring ribs extend into 150mm of a concrete slab with the thickness of 200mm in the middle, and vertically placed U-shaped clamping groove steel bar pieces with the positioning are distributed on the transverse rib along the horizontal direction; the spacing between the vertical ribs and the transverse ribs of the inner leaf concrete plates is 900mm-3000mm, and the vertical ribs and the transverse ribs of the outer leaf single-row reinforced net concrete plates 1 and the inner leaf single-row reinforced net concrete plates 2 are staggered by 450mm-1500mm to avoid cold bridges; the vertical ribs and the transverse ribs of the outer leaf-strip-lattice single-row reinforced-bar net concrete slab 1 can be used as window holes or door holes, the vertical ribs of the inner leaf-strip-lattice single-row reinforced-bar net concrete slab 2 can be used as connecting structures with inner concrete shear wall boards, and the transverse ribs of the inner leaf-strip-lattice single-row reinforced-bar net concrete slab 2 can be used as ring beams for supporting floor slabs.
Further, the distribution interval of the steel bar pieces 7 with the positioning U-shaped clamping grooves is 300 mm-600 mm.
Further, the U-shaped clamping groove reinforcement 7 is arranged on the outer leaf vertical rib 3 with the U-shaped clamping groove reinforcement, the outer leaf transverse rib 4 with the U-shaped clamping groove reinforcement, the inner leaf vertical rib 5 with the U-shaped clamping groove reinforcement and the inner leaf transverse rib 6 with the U-shaped clamping groove reinforcement respectively, and is used for positioning and connecting the special-shaped reinforcement with the vertical steel truss and the double-row tie reinforcement 10 in the middle, and after the corresponding horizontally distributed steel bars with the vertical steel truss and the double-row tie reinforcement 10 in the middle are clamped into the U-shaped grooves of the U-shaped clamping groove reinforcement 7, the sash vertical rib, the transverse rib, the vertical steel truss and the double-row tie reinforcement 10 in the middle are reliably connected, and the thickness of the horizontal reinforced concrete protection layer with the vertical steel truss and the double-row tie reinforcement 10 in the middle is also positioned.
Further, the heat-insulating board 8 is a sandwich heat-insulating board, and adopts polystyrene extruded sheet XPS, polystyrene foam sheet EPS or phenolic foam composite board PUR and the like; the size of the sandwich insulation board is flush with the edges of the inner and outer leaf single-row reinforced concrete sheets so as to be convenient for assembly and positioning, the continuity of the insulation structure of the upper and lower wallboards can be ensured, the total thickness of the sandwich insulation board reaches 120-240 mm, the sandwich insulation board has good insulation performance, and meanwhile, the frame lattice has the strengthening and restraining effects on the inner and outer leaf boards. Although the inner and outer She Gaceng insulation boards are partially broken in the areas where the vertical ribs or the transverse ribs are arranged, the broken positions of the inner and outer double-interlayer insulation boards are staggered because the inner and outer She Kuangge transverse ribs and the vertical ribs are staggered, so that the generation of a cold bridge is avoided.
Further, the thickness of the middle concrete slab of the middle double-row reinforced concrete slab 9 is 200mm, the reinforcing rate of the horizontally and vertically distributed reinforcing bars of the double-row reinforcing bars is 0.25%, and the distribution interval of tie bars is 300mm; the chord members of the vertical steel bar truss are correspondingly and vertically distributed steel bars, tie bars of the inner leaf concrete plate and the outer leaf concrete plate stretch into the middle concrete plate by 150mm, and sash ring bars of the inner leaf concrete plate and the outer leaf concrete plate stretch into the middle concrete plate by 150mm and are lapped with steel bars of the middle concrete plate of the upper and lower shear wall plates, and the tie bars of the upper and lower middle concrete plates, the inner leaf concrete and the outer leaf concrete are firmly connected after the middle concrete is cast in place, so that the integrity of the wall plate can be remarkably improved.
Further, the middle vertical steel bar truss with the double-row steel bar net 10 and the tie bars 11 of which the inner and outer leaf concrete plates extend into the middle concrete plate are truss steel bars and tie steel bars of the outer leaf single-row steel bar net concrete plate 1, the inner leaf single-row steel bar net concrete plate 2, the heat preservation plate 8 and the middle double-row steel bar concrete plate 9; the tie bars can strengthen the integrity of each structural layer of the wallboard, the truss bars can improve the rigidity of the middle wallboard against shearing deformation before concrete is poured, so that the middle wallboard is convenient to transport, hoist and mount, assemble and position, and meanwhile, the stress performance of the middle concrete layer can be improved. The inner and outer She Shanpai reinforced concrete plates and the pull-connection reinforcing steel bars of the middle double-row reinforced concrete plates are arranged in a staggered manner so as to avoid a cold bridge.
Further, the adjacent wallboard self-tapping screw assembly connection joint 12 is a connection structure of left and right adjacent outer She Shanpai reinforced mesh concrete plates on the same layer, through-length force transmission steel plates are welded at the end parts of the reinforced meshes in the left and right adjacent single-row reinforced mesh concrete plates, grooves are reserved in parts of the concrete plates, and part of the force transmission steel plates are exposed; after the grooves of the left wall plate and the right wall plate are aligned with the force transmission steel plates, connecting steel plates are placed in the grooves, the connecting steel plates are connected with the force transmission steel plates by self-tapping nails, wood blocks are adhered below the force transmission steel plates at the grooving positions and are embedded in concrete so as to be convenient for penetrating from steel nails, and the grooves are filled with high-performance mortar after the self-tapping nails are connected.
Further, the inner leaf plate vertical ribs 5 are overlapped with inner shear wall plate annular ribs 15 arranged on the reinforced concrete inner shear wall 13 through extended inner leaf plate vertical rib additional annular ribs 14, longitudinal ribs are configured, concrete is poured, and then the inner leaf plate vertical rib additional annular ribs and the inner shear wall plate annular ribs are buckled to configure longitudinal ribs, and then a connecting constructional column 16 is cast in situ; the reinforced concrete inner shear wall 13 is a double-row reinforced concrete wallboard in the building, wherein the inner shear wallboard annular ribs 15 are arranged, and the inner shear wallboard annular ribs 15 are structures of the double-row reinforced concrete wallboard extending out of the building.
Further, the connecting structure of the upper and lower adjacent outer leaf single-row reinforced concrete plates forms an upper and lower adjacent wallboard outer leaf concrete plate self-tapping screw assembly connecting joint 17, the end parts of the reinforced concrete nets in the upper and lower adjacent outer leaf single-row reinforced concrete plates are welded with through-length force transmission steel plates, grooves are partially reserved on the outer leaf single-row reinforced concrete plates, part of the force transmission steel plates are exposed, after the grooves of the upper and lower outer She Shanpai reinforced concrete plates are aligned with the force transmission steel plates, connecting steel plates are placed in the grooves, the connecting steel plates are connected with the force transmission steel plates by self-tapping screws, wood blocks are adhered to the lower parts of the force transmission steel plates and are embedded in concrete so as to be convenient for the self-tapping screws to penetrate, and after the self-tapping screw connection is finished, the grooves are filled with high-performance mortar.
Further, the precast concrete floor slab 19 is an assembled reinforced concrete floor slab, the end part of the floor slab is lapped on the ring beam 18 of which the transverse rib also serves as a supporting floor slab, and the precast concrete floor slab 19 stretches into the steel bars 20 on the upper surface of the ring beam to be anchored into the post-poured middle double-row reinforced concrete slab 9.
Further, the lap joint sections of the inner leaf concrete slab bottom reinforcing mesh of the upper wallboard and the inner leaf concrete slab top reinforcing mesh of the lower wallboard form lap joint reinforcing steel bar sections 21 of the upper and lower inner leaf concrete slab single-row reinforcing mesh at the floor slab position, the reinforcing steel bars of the precast concrete floor slab 19 extend into the middle double-row reinforced concrete slab 9 to be anchored, and cast-in-place concrete strips 22 are adopted to connect the precast concrete floor slab 19, the upper and lower inner leaf framed single-row reinforcing mesh concrete slabs 2 and the ring beams 18 which support the precast concrete floor slab and are also used as cross ribs.
The utility model relates to an assembled double-interlayer heat-insulation five-layer composite concrete shear wall board with a frame and inner and outer leaves and a manufacturing method thereof, which comprises the following specific steps:
the first step: pre-finishing the manufacture of the heat-insulating plate in a factory; manufacturing a steel bar net of an outer leaf-framed single-row steel bar net concrete plate (1) and an inner leaf-framed single-row steel bar net concrete plate (2), welding a through length force transmission steel plate at the edge of a self-tapping screw connecting node at the end part of the steel bar net, and sticking a wood block on the back surface of the force transmission steel plate at the drilling position of the self-tapping screw; pouring concrete of the single-row reinforced net concrete slab (1) with the outer leaf and the frame, paving an insulation board embedded with the frame, and pouring the frame concrete to form an outer leaf concrete insulation board with rib frames and insulation boards embedded between the rib frames; pouring inner leaf concrete, paving an insulation board embedded with the lattice, and pouring lattice concrete to form an inner leaf concrete insulation board with rib lattices and the insulation board embedded between the rib lattices; the inner and outer leaf concrete heat preservation plates are provided with inner and outer leaf tie bars, frame vertical ribs and transverse ribs which protrude out of the surfaces and extend into the middle reinforcing steel mesh, and vertically arranged U-shaped clamping groove reinforcing steel bar pieces with positioning, which extend into the middle reinforcing steel mesh, on the frame vertical ribs and the transverse ribs.
A second part: and manufacturing a hollow prefabricated wallboard with a sash and a heat insulation board between the sashes in a factory, wherein double-row reinforcing steel bars are arranged in the middle of the heat insulation board between the sashes, and the inner and outer leaf concrete slabs are provided with positioning U-shaped clamping groove reinforcing steel bar pieces for positioning connection. Placing the steel bar net of the middle concrete plate vertically at a position 50mm higher than the horizontal plane, placing the manufactured inner and outer leaf concrete heat preservation plates with the frame and the heat preservation plates embedded between the frame on the horizontal plane, and placing the inner and outer leaf plate tie bars, the frame vertical ribs and the transverse ribs protruding out of the surfaces of the inner and outer leaf plate tie bars, the frame vertical ribs and the transverse ribs extending into the stirrups of the middle steel bar net, the frame vertical ribs and the transverse ribs extending into the middle steel bar net, wherein the U-shaped clamping groove steel bar pieces with positioning function extend into the middle steel bar net, the clear distance is the thickness of the middle concrete plate, then moving the middle steel bar net downwards by 50mm to clamp the corresponding horizontal distribution steel bars into the U-shaped clamping grooves with positioning function, and spot welding the peripheral U-shaped clamping groove steel bar pieces with the positioned horizontal distribution steel bars to form the hollow prefabricated wall plate with double rows of steel bar nets arranged in the middle of the frame and the polystyrene plates embedded between the frame and with positioning function of the U-shaped clamping groove steel bar pieces on the inner and outer leaf concrete plate.
And a third step of: after the prefabricated hollow wall boards which are manufactured in a factory and are provided with double-row reinforcing steel meshes, single-row reinforcing steel mesh concrete plates (1) with outer leaf and single-row reinforcing steel mesh and inner leaf and single-row reinforcing steel mesh concrete plates (2) are positioned and connected in a positioning way, firstly, adjacent single-row reinforcing steel mesh concrete plates (1) with outer leaf and single-row reinforcing steel mesh and inner leaf and single-row reinforcing steel mesh concrete plates (2) with inner leaf and single-row reinforcing steel mesh are connected by self-tapping screw collecting blocks, meanwhile, the positions of the middle concrete plates are overlapped with vertical reinforcing steel bars, and concrete is poured in the middle cavity of the middle concrete plates, so that the double-interlayer heat-insulation five-layer composite concrete shear wall with the inner leaf and the outer leaf and the double-interlayer is formed.
Fourth section: the overlapping height of the distributed steel bars of the single-row steel bar net concrete slab (2) with the frame of the inner leaf and connected with the five layers of composite wallboards is equal to the thickness of the precast concrete floor; and (3) stretching the steel bars of the precast concrete floor slab into the upper surface of the lower ring beam of the precast concrete floor slab, and completing connection of the five-layer composite shear wall and the precast concrete floor slab after casting the concrete strip in situ.
Fifth step: and buckling the additional annular ribs of the vertical ribs of the inner blade plates with the annular ribs of the inner shear wall plates, and configuring longitudinal ribs, and then casting concrete in situ to form a constructional column for connecting the five-layer composite shear wall with the inner shear wall.
Compared with the prior art, the utility model relates to an assembled double-interlayer heat-insulation five-layer composite concrete shear wall board with a sash and inner and outer leaf plates and a manufacturing method, and has the following advantages:
(1) The assembled double-interlayer heat-insulation five-layer composite concrete shear wall board with the frame inner and outer leaves solves the technical problem of five stress structures: firstly, the frame formed by the transverse ribs and the vertical ribs obviously enhances the vertical bearing capacity, the horizontal shock resistance and the stability outside the plane of the single-row reinforced concrete sheet, the middle cast-in-situ concrete slab enhances the integrity and the shock resistance of the upper and lower wallboards, and the problem of poor stress performance of the inner and outer leaf concrete sheets of the double-skin shear wall is solved; secondly, the frame formed by the transverse ribs and the vertical ribs enhances the connection performance and the integrity of the inner and outer single-row reinforced concrete sheets and the middle cast-in-situ concrete layer, the cross section is symmetrically stressed, the integral anti-seismic performance of the five-layer composite wallboard is improved, the problem that the inner and outer sheet concrete sheets of the double-skin shear wall and the middle concrete plate are poor in joint working performance is solved, and the defect that the stress of the cast-in-situ concrete wallboard and the outer sheet wall is obviously asymmetric and the anti-seismic performance is obviously reduced due to the fact that the inner and outer sheet concrete sheets of the double-skin shear wall are not connected is solved; thirdly, the transverse ribs of the inner leaf plates can be used as ring beams for supporting the floor slab to strengthen the connection structure between the inner leaf plates and the floor slab, the vertical ribs of the inner leaf plates strengthen the connection with the inner shear wall, and the problems that the connection between the inner leaf concrete thin plates of the double-skin shear wall and the floor slab and the connection between the inner leaf concrete thin plates and the inner shear wall need to be increased are solved; fourthly, the frame formed by the transverse ribs and the vertical ribs can be used as a reinforcing structure of the door and window openings, so that the problem that the frame structure of the door and window openings needs to be increased for the inner and outer leaf concrete sheets of the double-skin shear wall is solved; fifthly, the inner and outer leaf concrete sheets are connected in a blocking mode through self-tapping nails, and the problem that the stress performance of the composite shear wall is greatly weakened due to the fact that the inner and outer leaf concrete sheets of the double-skin shear wall are not connected is solved.
(2) The double-interlayer heat preservation structure solves the technical problems of two large heat preservation structures: firstly, the thickness of a single-layer heat-insulating plate of the three-layer composite wallboard is increased to weaken the joint working performance of the inner and outer leaf wallboards, and the total thickness of the double-interlayer heat-insulating plate of the five-layer composite wallboard can be 2 times that of the single-layer heat-insulating plate, so that the problem that the total thickness requirement of the heat-insulating layer of the ultra-low energy-consumption house external enclosure wall body in severe cold areas and cold areas is difficult to reach is solved; and secondly, transverse ribs and vertical ribs of the inner and outer blades of the five-layer composite wallboard are arranged in a staggered manner, so that a cold bridge at the position of a frame lattice is avoided, and the construction difficulty of the cold bridge caused by the arrangement of connecting rib lattices on the inner and outer blades of the three-layer composite wallboard is solved.
(3) The upper and lower composite wallboards and the floor slab connecting structure connect the floor slab, the sections where the inner wallboards of the upper and lower composite wallboards are connected with the floor slab, and the ring beams which are used as the transverse ribs of the inner wallboards and support the floor slab through the concrete cast-in-situ strip, thereby improving the structural integrity.
(4) The self-tapping screw block connection structure solves the connection problem of the inner and outer single-row reinforced concrete sheets (except for the sections where the inner leaf plates of the upper and lower composite wallboards are connected with the floor slab), realizes the common stress of the inner and outer single-row reinforced concrete sheets and the core cast-in-situ concrete slab, and can obviously improve the vertical bearing capacity and the earthquake resistance of the wallboards. Meanwhile, the self-tapping screw assembly structure is simple, convenient and quick to connect, low in cost, and capable of remarkably improving the structure assembly efficiency and reducing the construction cost.
Drawings
FIG. 1 shows an assembled double-interlayer thermal insulation five-layer composite concrete shear wall panel structure with a sash and inner and outer leaves.
Fig. 2 shows a detailed view of the wall panel section, (a) being a horizontal section and (b) being a vertical section.
Fig. 3 illustrates a left and right adjacent wall panel self-tapping screw block connection structure.
The connection structure of the cast-in-situ annular rib constructional column of the inner leaf plate vertical rib and the inner concrete shear wall in fig. 4 is characterized in that (a) is a structural schematic diagram, and (b) is a connection schematic surface.
Fig. 5 illustrates an upper and lower wall panel and floor slab connection configuration.
Fig. 6 positions a U-shaped channel rebar piece.
Fig. 7 is a schematic view of A-A of fig. 1.
Fig. 8 is a schematic B-B diagram of fig. 1.
Fig. 9 is a schematic C-C diagram of fig. 1.
Fig. 10 is a schematic view of D-D of fig. 1.
Fig. 11 is a schematic view of E-E of fig. 1.
Detailed Description
The present utility model will be described in detail below with reference to the drawings and examples.
The utility model adopts the technical proposal that the assembled double-interlayer heat-insulation five-layer composite concrete shear wall board with the frame inner and outer leaf plates (figures 1, 2, 7, 8, 9 and 10), the self-tapping screw assembly structure (figure 3) between the left and right adjacent wall boards, the self-tapping screw assembly structure (figure 4) of the composite outer wall and the combined inner wall, the upper and lower composite wall and the floor slab connection structure (figure 5) comprise: the concrete slab comprises an outer leaf single-row reinforced net concrete slab 1, an inner leaf single-row reinforced net concrete slab 2, an outer leaf vertical rib 3, an outer leaf transverse rib 4, an inner leaf vertical rib 5, an inner leaf transverse rib 6, a positioning U-shaped clamping groove reinforced bar 7, a heat preservation plate 8, a middle double-row reinforced concrete slab 9, a middle vertical steel bar truss and drawknot reinforced double-row reinforced net 10, drawknot reinforced bars 11 of which inner and outer leaf concrete slabs extend into the middle concrete slab, self-tapping screw collecting connection nodes 12 of left and right adjacent inner leaf wallboards, reinforced concrete inner shear walls 13, inner leaf vertical rib additional annular ribs 14, inner shear wallboard annular ribs 15, inner leaf vertical rib additional annular ribs and inner shear wallboard annular ribs after buckling and collocating longitudinal ribs, cast-in-place connection constructional columns 16, upper and lower adjacent outer leaf self-tapping screw collecting connection nodes 17, transverse ribs and ring beams 18 for supporting floor slabs, precast concrete floors 19, reinforced bar extending upper surfaces 20 of precast floor slabs, overlapping sections 21 of upper and lower inner leaf concrete slabs in the floor slab position, ring beam sections 21 of the ring beams and strip 22 of the precast concrete slabs.
The concrete slab structure with the frame and the inner and outer She Shan rows of reinforced meshes comprises the following steps: the thickness of the inner leaf concrete plates and the outer leaf concrete plates is 50mm so as to meet the fireproof requirement, and reinforcing steel bars with the spacing of 100mm and the diameter of 4mm are arranged in the middle of the inner leaf concrete plates and the outer leaf concrete plates; the vertical concrete frame columns (vertical ribs) and the horizontal concrete frame beams (transverse ribs) of the inner and outer leaf concrete plates are respectively arranged at the positions of 80mm of the thickness of the insulation board, the height dimension of the section of the vertical ribs is 130mm, the horizontal dimension is 200mm, 4 longitudinal ribs with the diameter of 6mm and distributed ring ribs with the distance of 200mm and the diameter of 4mm are arranged according to the constructional columns, the ring ribs extend into 150mm of the middle 200mm thick concrete plate, and vertically arranged steel bar pieces with positioning U-shaped clamping grooves are arranged on the vertical ribs along the high distribution; the horizontal dimension of the cross section of the transverse rib is 130mm, the height dimension is 200mm, 4 longitudinal ribs with the diameter of 6mm and ring ribs with the diameter of 4mm and the distribution interval of 200mm are configured according to the structural beam, the ring ribs extend into 150mm of a concrete slab with the thickness of 200mm in the middle, and vertically placed U-shaped clamping groove steel bar pieces with the positioning are distributed on the transverse rib along the horizontal direction; the spacing between the vertical ribs and the transverse ribs of the inner leaf concrete plates is 900mm-3000mm, and the vertical ribs and the transverse ribs of the inner leaf concrete plates and the outer leaf concrete plates are staggered by 450mm-1500mm so as to avoid cold bridges; the vertical ribs and the transverse ribs of the outer leaf concrete plates can be used as window holes or door holes, the vertical ribs of the inner leaf concrete plates can be used as connecting structures with the inner concrete shear wall plates, and the transverse ribs of the inner leaf concrete plates can be used as ring beams for supporting floor slabs.
The steel bar piece with the positioning U-shaped clamping groove is a special-shaped steel bar piece which is arranged on the vertical rib and the transverse rib of the sash and used for positioning and connecting the middle steel bar net, corresponding horizontally distributed steel bars of the middle steel bar net are clamped into the U-shaped groove of the steel bar piece with the positioning U-shaped clamping groove, the vertical rib and the transverse rib of the sash are reliably connected with the middle steel bar net, and the thickness of a horizontal reinforced concrete protection layer of the middle steel bar net is positioned; the distribution interval of the steel bar pieces with the positioning U-shaped clamping grooves is 300 mm-600 mm.
The double-interlayer heat-insulating structure is a polyphenyl board heat-insulating layer embedded between the frames of the inner and outer leaf concrete plates, the total thickness of the double-interlayer heat-insulating board is 120-240 mm, the vertical ribs and the transverse ribs of the inner and outer leaf concrete plates are arranged in a staggered manner, the thickness of the heat-insulating layer at the rib frame position is 60-120 mm, and the double-interlayer heat-insulating structure has good heat-insulating performance and is suitable for ultra-low energy consumption buildings in severe cold and cold areas.
The cast-in-situ middle concrete slab structure, middle wallboard thickness 200mm, the horizontal, the vertical distribution reinforcing bar arrangement rate of double reinforcing bars is 0.25%, tie bar distribution interval 300mm, vertical steel bar truss's chord member is concurrently by corresponding vertical distribution reinforcing bar, inside and outside leaf concrete slab stretches into middle concrete slab 150mm with middle concrete slab's tie bar, inside and outside leaf concrete slab's sash ring muscle stretches into middle concrete slab 150mm, five layers complex upper and lower shear force wallboard's middle concrete slab's reinforcing bar overlap joint, will go up and down middle concrete slab, inside and outside leaf concrete's sash, inside and outside leaf concrete's tie bar firm connection after cast-in-situ middle concrete, can show the wholeness that improves the wallboard.
The self-tapping screw block connecting structure is characterized in that a force transmission steel plate is welded on a reinforcing mesh at the middle part of a prefabricated inner and outer leaf concrete plate, the connecting steel plate with a self-tapping screw hole is embedded into a groove and is clung to the force transmission steel plate of an adjacent wallboard, the self-tapping screw penetrates through the connecting steel plate hole and then is connected with the adjacent force transmission steel plate in a self-tapping way, and after the groove embedded into the connecting steel plate is smoothed by mortar, the embedded steel structure concrete thin wall slab block with the thickness of the concrete thin plate with the outline of the force transmission steel plate area is formed.
The inner leaf plate vertical rib additional ring rib is buckled with the inner shear wall plate ring rib to form a longitudinal rib, then the longitudinal rib is arranged, the cast-in-situ connection constructional column is formed, and the inner leaf concrete plate vertical rib additional ring rib at the position corresponding to the inner shear wall plate is buckled with the inner shear wall plate ring rib to form 4 longitudinal ribs to form constructional column steel bars, and the constructional column has the advantages of reliable connection and convenience in assembly after concrete is poured.
The upper and lower five-layer composite shear wall plates and the floor slab connecting structure takes the inner leaf concrete slab transverse rib as a ring beam for supporting the floor slab, and the ring beam is connected with the steel bars of the precast concrete floor slab extending into the upper surface of the ring beam and the steel bars of which the overlapping sections are equal to the thickness of the floor slab of the upper and lower inner leaf concrete slab single-row steel bar meshes through cast-in-place concrete strips.
Examples
(1) Drawing detailed construction drawings of the wallboard and the connection. Firstly, according to structural arrangement of building design, determining arrangement positions and specific dimensions of an assembled frame reinforced type inner and outer blade plate double-interlayer heat-insulation concrete shear wall, and carrying out stress checking calculation on the wall plate according to the designed wall plate section structure and material strength; designing and checking stress on the composite wallboard assembly connection node structure; and drawing a detailed structural construction drawing according to the design scheme of the composite wallboard and the assembly connection nodes thereof.
(2) And manufacturing the inner and outer leaf concrete heat-insulating plates with the frame and the polystyrene plates embedded between the frame by a factory. 1) Manufacturing an inner leaf concrete plate reinforcing steel bar net and an outer leaf concrete plate reinforcing steel bar net, welding a through length force transmission steel plate at the edge of a self-tapping screw connecting node at the end part of the reinforcing steel bar net, and sticking a wood block on the back surface of the force transmission steel plate at the drilling position of the self-tapping screw to manufacture a reinforcing steel bar cage of a frame; pouring outer leaf concrete, paving polystyrene boards embedded with the sashes, and pouring the sashes concrete to form an outer leaf concrete heat-insulating board with rib sashes and polystyrene heat-insulating layers embedded among the rib sashes; pouring inner leaf concrete, paving polystyrene boards embedded with the sashes, and pouring the sashes concrete to form an inner leaf concrete heat-insulating board with rib sashes and polystyrene heat-insulating boards embedded between the rib sashes; the inner and outer leaf concrete heat preservation plates with the frame and the polystyrene boards are embedded between the frame, and the inner and outer leaf concrete heat preservation plates with the raised surfaces extend into the middle reinforcing steel net and are provided with vertically arranged U-shaped clamping groove reinforcing steel bars with positioning, wherein the stirrups extend into the middle reinforcing steel net from the frame vertical ribs and the transverse ribs; 2) And manufacturing a hollow prefabricated wallboard with a frame and the middle part of the polystyrene board embedded between the frames in a factory, and arranging double-row reinforcing steel meshes and positioning and connecting U-shaped clamping groove reinforcing steel bars on the frames of the inner and outer leaf concrete plates. Placing the manufactured inner and outer leaf concrete heat preservation plates with the frame and the polystyrene boards embedded between the frame on the horizontal plane, placing the inner and outer leaf plate tie bars, the frame vertical ribs and the transverse ribs protruding from the surfaces of the inner and outer leaf plate tie bars and the frame vertical ribs and the transverse ribs on the two sides of the middle steel bar net, extending the U-shaped clamping groove steel bar piece with the positioning function of the middle steel bar net into the middle steel bar net, wherein the clear distance is the thickness of the middle concrete plate, then downwards moving the middle steel bar net by 50mm to clamp the corresponding horizontal distribution steel bars into the U-shaped clamping grooves with the positioning function of the U-shaped clamping groove steel bar piece, spot welding the peripheral U-shaped clamping groove steel bar pieces with the positioned horizontal distribution steel bars, and forming the hollow prefabricated wall plate with the double-row steel bar net arranged in the middle of the frame and the positioning function of the polystyrene boards embedded between the frame, and the inner and outer leaf concrete plate grid with the positioning function of the U-shaped clamping groove steel bar piece.
(3) And assembling the prefabricated five-layer composite wallboard on site. 1) After the hollow prefabricated wall boards which are manufactured in factories and provided with the frame grids and the polystyrene boards are embedded in the frame grids, wherein the hollow prefabricated wall boards are positioned on site, the frame grids of the inner and outer leaf concrete boards are provided with positioning U-shaped clamping groove steel bar pieces, the adjacent inner and outer leaf concrete boards are connected by self-tapping screw collecting blocks, and the vertical steel bars of the middle concrete boards of the upper and lower five-layer composite wall boards are lapped and then poured with middle hollow concrete; 2) The lap joint height of the distributed steel bars of the inner leaf concrete plates of the five layers of composite wallboards at the floor is the thickness of the floor, the steel bars of the prefabricated floor extend into the upper surface of the lower ring beam of the floor, and five layers of composite shear walls are formed by casting concrete strips in situ and are connected with the prefabricated floor; 3) And buckling the additional annular ribs of the vertical ribs of the inner blade plates with the annular ribs of the inner shear wall plates, and configuring longitudinal ribs, and then casting concrete in situ to form a constructional column for connecting the five-layer composite shear wall with the inner shear wall.
The above is an exemplary embodiment of the present utility model, and the implementation of the present utility model is not limited thereto.
Claims (10)
1. The assembled double-interlayer heat-insulation five-layer composite concrete shear wallboard is characterized by comprising an outer leaf single-row reinforced mesh concrete slab (1) and an inner leaf single-row reinforced mesh concrete slab (2), wherein heat-insulation boards (8) are arranged on the side parts of the outer leaf single-row reinforced mesh concrete slab (1) and the inner leaf single-row reinforced mesh concrete slab (2), and dovetail grooves are formed in the surfaces of the heat-insulation boards (8); the dovetail groove of the heat insulation plate (8) is in meshed connection with the single-row reinforced net concrete plate (1) with the outer blade and the single-row reinforced net concrete plate (2) with the inner blade;
the vertical direction of the outer leaf single-row reinforced net concrete slab (1) is prefabricated with an outer leaf vertical rib (3), and the horizontal direction is prefabricated with an outer leaf transverse rib (4); an inner leaf plate vertical rib (5) is vertically prefabricated on the inner leaf strip lattice single-row reinforced net concrete slab (2), and an inner leaf plate transverse rib (6) is transversely prefabricated;
the outer leaf plate vertical ribs (3), the outer leaf plate transverse ribs (4), the inner leaf plate vertical ribs (5) and the inner leaf plate transverse ribs (6) are provided with U-shaped clamping groove steel bar pieces (7) with positioning;
a middle double-row reinforced concrete plate (9), a middle double-row reinforced steel truss with vertical steel bars, a tie bar double-row reinforced steel bar net (10) and tie bars (11) of which the inner and outer leaf concrete plates extend into the middle concrete plate are arranged between the heat-insulating plate (8) of the outer leaf-framed single-row reinforced concrete plate (1) and the heat-insulating plate (8) of the inner leaf-framed single-row reinforced concrete plate (2), and the middle double-row reinforced concrete plate (9) is a middle post-pouring concrete structure layer taking the two heat-insulating plates (8) as templates; the middle truss with vertical steel bars and the double-row steel bar meshes with tie bars (10) are truss steel bars of an outer leaf single-row steel bar mesh concrete slab (1), an inner leaf single-row steel bar mesh concrete slab (2), a heat insulation plate (8) and a middle double-row steel bar concrete slab (9), and the middle truss with vertical steel bar trusses and the double-row steel bar meshes with tie bars (10) are clamped into a steel bar piece (7) with a positioning U-shaped clamping groove; the tie bars (11) of the inner and outer leaf concrete plates extending into the middle concrete plate are tie bars of the outer leaf single-row reinforced net concrete plate (1), the inner leaf single-row reinforced net concrete plate (2), the heat insulation plate (8) and the middle double-row reinforced concrete plate (9);
the outer leaf single-row reinforced concrete slab (1) and the inner leaf single-row reinforced concrete slab (2) are prefabricated single-row reinforced concrete sheets with the frame, the thickness of the single-row reinforced concrete sheets is 40-60 mm, and single-row reinforced concrete is formed by binding or welding horizontal distributed reinforcing steel bars and vertical distributed reinforcing steel bars with the diameters of 4mm and the intervals of 100 mm.
2. The assembled double-interlayer heat-insulating five-layer composite concrete shear wallboard with the lattice leaf plates, as claimed in claim 1, is characterized in that 4mm thick and 40mm wide through steel plates are welded at the upper, lower, left and right ends of a reinforcing mesh arranged in an outer lattice single-row reinforcing mesh concrete slab (1) to serve as a power transmission steel plate of a self-tapping screw assembly joint (12) of a wallboard adjacent to the same layer and a self-tapping screw assembly joint (17) of an outer lattice concrete slab of an upper and a lower adjacent wallboard.
3. The assembled double-interlayer heat-insulation five-layer composite concrete shear wallboard with the lattice leaf plates, which is disclosed in claim 1, is characterized in that the left and right ends of a reinforcing mesh arranged in the single-row reinforcing mesh concrete slab (2) with the lattice are welded with through-length steel plates with the thickness of 4mm and the width of 40mm to be used as the force transmission steel plates of the self-tapping screw assembly connecting nodes (12) of the wallboards adjacent to each other from left to right; the inner blade cross rib (6) is used for supporting the floor slab when being used as a ring beam.
4. The assembled tabbed blade double-interlayer heat-insulation five-layer composite concrete shear wallboard according to claim 1, wherein the outer blade vertical ribs (3) and the outer blade transverse ribs (4) of the outer blade tabbed single-row reinforced mesh concrete slab (1) are staggered 450mm-1500mm with the inner blade vertical ribs (5) and the inner blade transverse ribs (6) of the inner blade tabbed single-row reinforced mesh concrete slab (2).
5. The assembled double-interlayer heat-insulation five-layer composite concrete shear wallboard with the lattice blades, which is disclosed in claim 1, is characterized in that the distribution interval of the U-shaped clamping groove steel bar pieces (7) with positioning is 300-600 mm.
6. The assembled double-interlayer heat-insulation five-layer composite concrete shear wallboard with the sash leaf plates, which is disclosed in claim 1, is characterized in that the U-shaped clamping groove steel bar pieces (7) with the positioning function are special-shaped steel bar pieces which are distributed and arranged on the outer leaf plate vertical ribs (3), the outer leaf plate transverse ribs (4), the inner leaf plate vertical ribs (5) and the inner leaf plate transverse ribs (6) and are used for positioning and connecting a double-row steel bar net (10) with vertical steel bar trusses and tie bars in the middle part.
7. The assembled double-interlayer heat-insulating five-layer composite concrete shear wall board with the sash leaf plates, as claimed in claim 1, is characterized in that the heat-insulating plate (8) is a sandwich heat-insulating plate, and is a polystyrene extruded sheet, a polystyrene foam plastic sheet or a phenolic foam composite sheet.
8. The assembled double-interlayer heat-insulation five-layer composite concrete shear wallboard with the lattice blades according to claim 1, wherein the inner blade vertical ribs (5) are overlapped with inner shear wallboard annular ribs (15) arranged on the reinforced concrete inner shear wall (13) through extended inner blade vertical rib additional annular ribs (14), longitudinal ribs are configured, and after concrete is poured, the inner blade vertical rib additional annular ribs and the inner shear wallboard annular ribs are buckled to configure longitudinal ribs, and then a cast-in-place connection constructional column (16) is formed.
9. The assembled double-interlayer heat-insulation five-layer composite concrete shear wallboard with the lattice blades as claimed in claim 8, wherein the reinforced concrete inner shear wall (13) is a double-row reinforced concrete wallboard in the building, wherein the inner shear wallboard ring ribs (15) are arranged, and the inner shear wallboard ring ribs (15) are the structure of the double-row reinforced concrete wallboard extending out of the building.
10. The fabricated framed leaf slab double sandwich insulation five-layer composite concrete shear wall panel according to claim 1, wherein upper and lower adjacent wall panel outer leaf concrete slabs self-tapping screw block joint nodes (17) are formed by the connection structures of upper and lower adjacent outer leaf single row reinforced mesh concrete slabs.
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| CN202223463795.9U CN219386748U (en) | 2022-12-25 | 2022-12-25 | Assembled double-interlayer heat-insulation five-layer composite concrete shear wall board with sash leaf plates |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115949160A (en) * | 2022-12-25 | 2023-04-11 | 北京工业大学 | Assembled inner and outer leaf plate double-interlayer heat-preservation five-layer composite shear wallboard and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115949160A (en) * | 2022-12-25 | 2023-04-11 | 北京工业大学 | Assembled inner and outer leaf plate double-interlayer heat-preservation five-layer composite shear wallboard and manufacturing method thereof |
| CN115949160B (en) * | 2022-12-25 | 2024-06-18 | 北京工业大学 | Assembled inner and outer blade double-interlayer heat-insulation five-layer composite shear wall plate and manufacturing method thereof |
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