Prefabricated assembly type recombination bamboo shear wall plate and combination system thereof

Abstract

The utility model discloses a prefabricated assembly type recombined bamboo shear wall plate and a combination system thereof, and relates to the technical field of assembly type bamboo structure buildings, the prefabricated assembly type recombined bamboo shear wall plate comprises a first bamboo frame, a second bamboo frame, a third bamboo frame and a fourth bamboo frame, the first bamboo frame is formed by encircling and splicing a first outer side keel, a second outer side keel, a top beam plate and a bottom beam plate; the front side of the first bamboo frame is in closed connection with a front covering panel, and the rear side of the first bamboo frame is in closed connection with a rear covering panel. A plurality of transverse supports are sequentially connected between the first outer keel and the second outer keel in the first bamboo frame at intervals in the length direction of the first outer keel and the second outer keel. A plurality of middle keels are sequentially connected between the first top beam plate and the first bottom beam plate at intervals in the length direction of the first top beam plate and the first bottom beam plate. By the adoption of the scheme, the recombined bamboo shear wall plate is quickly spliced through all the prefabricated parts and can be prefabricated in a factory in advance, so that the assembly efficiency is improved; in addition, the recombined bamboo shear wallboard is small in overall thickness, the main body material is recombined bamboo, the recombined bamboo shear wallboard is simple in manufacturing process, light in weight and high in strength, and building materials are energy-saving and environment-friendly.

Description

Technical Field

[0001] The utility model relates to the technical field of assembled bamboo structure buildings, in particular to a prefabricated assembled reorganized bamboo shear wallboard and a combined system thereof. Background Art

[0002] In recent years, with the country's call for energy conservation, emission reduction and green buildings, lightweight reconstructed bamboo structure systems have begun to become popular in China. Reconstructed bamboo not only retains the advantages of light weight, high strength and green environmental protection of the original bamboo, but also abandons its original performance instability, single cross-sectional form and poor durability. It is a green and high-strength bamboo-based composite material with excellent and stable physical and mechanical properties, which can meet the various performance requirements of modern structures for building materials.

[0003] Traditional wooden shear walls are mostly assembled on site, which has low construction efficiency, poor seismic performance, is difficult or impossible to replace, has a long construction period, and cannot meet the requirements of modern buildings for high strength, thermal insulation and other properties. Utility Model Content

[0004] The utility model aims to solve the deficiencies of the prior art and to provide a prefabricated assembled reconstituted bamboo shear wall panel and its combined system. By adopting this solution, the reconstituted bamboo shear wall panel can be quickly spliced ​​together through various prefabricated components and can be prefabricated in advance in the factory to improve assembly efficiency. In addition, the overall thickness of the reconstituted bamboo shear wall panel is small, and the main material is reconstituted bamboo. The manufacturing process is simple, the weight is light, the strength is high, the building material itself is energy-saving and environmentally friendly, and the thermal insulation and energy-saving effect is improved.

[0005] The utility model is realized by the following technical solutions:

[0006] A prefabricated assembled reconstituted bamboo shear wall panel, comprising:

[0007] A first bamboo frame, wherein the first bamboo frame is formed by enclosing and splicing a first outer keel, a second outer keel, a top beam plate, and a bottom beam plate; a front cover plate is sealed and connected to the front side of the first bamboo frame, and a rear cover plate is sealed and connected to the rear side of the first bamboo frame;

[0008] Located in the first bamboo frame, a plurality of cross braces are sequentially connected between the first outer keel and the second outer keel along the length direction thereof; a plurality of middle keels are sequentially connected between the first top beam plate and the first bottom beam plate along the length direction thereof; the cross braces and the middle keels are perpendicular to each other;

[0009] In the first bamboo frame, a heat preservation board is arranged in the area divided by the cross brace and the middle keel;

[0010] The reconstituted bamboo material is made by hot pressing process.

[0011] Compared with the prior art, for traditional wooden shear walls, they are mostly assembled on site, which has low construction efficiency, poor earthquake resistance, difficult or impossible to replace, long construction period, and cannot meet the requirements of modern buildings for high strength, thermal insulation, and other properties. The utility model provides a prefabricated assembled reconstituted bamboo shear wall panel and its combination system. With this solution, the reconstituted bamboo shear wall panel can be quickly spliced ​​through various prefabricated components and can be prefabricated in advance in the factory to improve assembly efficiency; in addition, the overall thickness of the reconstituted bamboo shear wall panel is small, and the main material is reconstituted bamboo, which has a simple manufacturing process, light weight, high strength, and the building material itself is energy-saving and environmentally friendly, and improves the thermal insulation and energy-saving effect. In the specific scheme, the prefabricated assembled reorganized bamboo shear wall panel includes a first bamboo frame, the left and right sides of the first bamboo frame are respectively the first outer keel and the second outer keel, the upper and lower sides are the top beam plate and the bottom beam plate, and the ends of the four are connected in sequence; a front covering panel is arranged on the front side of the first bamboo frame, and a rear covering panel is arranged on the rear side, and the front covering panel and the rear covering panel are arranged vertically on both sides along the grain, and in the first bamboo frame, a plurality of cross braces and middle keels are evenly distributed in the horizontal and longitudinal directions, respectively, so as to support the entire first bamboo frame as a whole; in the above, the spacing between the first outer keel, the second outer keel and the middle keel is 200mm-500mm, and the spacing between the plurality of cross braces is 400mm-600mm; the cross-sections of the top beam plate, the bottom beam plate, the first outer keel, the second outer keel, the cross brace and the middle keel are 100-200mm long and 20-40mm wide. Insulation boards are also provided in the gap inside the first bamboo frame to improve the insulation and energy-saving effects; the above-mentioned spliced ​​overall structure can be connected between adjacent components by self-tapping screws, the length of the self-tapping screws is 60mm-150mm, the spacing between the self-tapping screws of the top beam plate, the bottom beam plate, the first outer keel and the second outer keel, and the front covering plate is 100-200mm, and the spacing between the self-tapping screws of the first outer keel, the middle keel and the rear covering plate, and the front covering plate is 200-400mm. In this way, by splicing the above-mentioned prefabricated parts, the overall reconstructed bamboo shear wall panel can be prefabricated in advance in the factory to improve the assembly efficiency on site; in addition, the reconstructed bamboo material used is reconstructed bamboo made by hot pressing process, and the density of the reconstructed bamboo material made by hot pressing process is 0.8-1.2g / cm 3 Its cross-section is rectangular, its length is 100mm-200mm, and its width is 20mm-40mm. Its manufacturing process is simple, its weight is light, its strength is high, and the building material itself is energy-saving and environmentally friendly; the front and rear cladding panels are made of lightweight and environmentally friendly materials, such as OSB standard materials or reconstructed bamboo lightweight panels; the combined reconstructed bamboo shear wall panel has a length of 1000mm-1250mm, a height of 2500mm-2800mm, a floor panel thickness of 100mm-200mm, and the bolts used for connection are M8.8 grade with a diameter of 10mm-20mm.

[0012] In order to enhance the integrity of the reconstructed bamboo shear wallboard and improve the lateral stiffness and corner stiffness, the corners where the cross brace and the middle keel meet are connected with angle brackets, and the two sides of the angle brackets are respectively connected to the cross brace and the middle keel by screws;

[0013] Corner anchors are provided at the corners on both sides of the bottom of the first bamboo frame. The cross-section of the corner anchors is triangular and is connected to the inner side of the first bamboo frame by screws. The corner anchors include a bottom plate and a vertical plate. The vertical plate is fixed to the end of the bottom plate, and triangular plates are fixed on both sides between the bottom plate and the vertical plate. In this solution, the connection node between the cross brace and the middle keel is cross-shaped, and the angle code is set at the four corner positions of the connection node to improve the rigidity of the upper and lower sides and the left and right sides; corner anchors are set on both sides of the bottom of the first bamboo frame, and the rigidity is further improved due to the combination of two triangular plates, a bottom plate and a side plate, so that when the first bamboo frame is placed vertically, the bottom can serve as the main load-bearing end; in addition, the first circular hole, the second circular hole and the third circular hole are respectively opened at the two corner positions of the bottom of the first bamboo frame to connect with the fifth circular hole and the sixth circular hole on the corner anchor through bolts; the first circular hole is not less than 100mm from the edge of the wall panel, the second circular hole is not less than 150mm from the edge of the wall panel, and the diameters of the above-mentioned several circular holes are 10mm-20mm; the thickness t of the corner anchor is not less than 6mm, b is not less than 100mm, and h is not less than 200mm.

[0014] As a specific structure of a cross brace, the cross brace includes a plurality of sub-plates, which are respectively located between two adjacent middle keels, between the middle keel and the first outer keel, and between the middle keel and the second outer keel. In this solution, the cross brace is a discontinuous whole, composed of a plurality of sub-plates, and the two ends of the sub-plates are respectively connected between two adjacent middle keels or between the middle keel and the outer keel, and are connected by screws.

[0015] As another specific structure of the cross brace, the connection nodes of the cross brace and the middle keel are both notched, and the cross brace and the middle keel are spliced ​​with mortise and tenon joints. In this solution, the cross brace is a continuous whole, with a notch in its length direction, and the width is adjusted with the middle keel. At the same time, the middle keel also has a notch, and the width is adjusted with the cross brace; during the production process, the middle keel and the cross brace are spliced ​​with mortise and tenon joints, and connected into a whole through angle brackets. This structure further improves the installation efficiency and improves the integrity of the wall panel.

[0016] Furthermore, the density of the reconstituted bamboo material produced by the hot pressing process is 0.8-1.2 g / cm 3 , its cross section is rectangular, the length is 100mm-200mm, and the width is 20mm-40mm.

[0017] The utility model also provides a prefabricated assembled bamboo shear force combination system, comprising:

[0018] A plurality of room units, wherein the plurality of room units are sequentially spliced ​​in a horizontal direction or a height direction; the side walls of the room units are formed by splicing a plurality of prefabricated assembled recombined bamboo shear wall panels;

[0019] Between two adjacent housing units in the horizontal direction:

[0020] The shear wall panel on the top of the room unit extends out of the room unit and toward another opposite room unit; the shear wall panel on the top of the other room unit is reserved with a slot adapted to the extended portion;

[0021] A slot is reserved in the shear wall panel at the bottom of the room unit, and the shear wall panel at the bottom of another opposite room unit extends out of the room unit, and the extended portion is matched with the slot.

[0022] In this solution, a number of prefabricated assembled reconstituted bamboo shear wall panels are prefabricated in the factory and used as side walls for splicing. The floor panels and the bottom panels also use the same reconstituted bamboo shear wall panels. They can be quickly spliced ​​together on site to form an integral room unit. A number of fourth through holes are opened on the side walls of the reconstituted bamboo shear wall panels to connect adjacent reconstituted bamboo shear wall panels with bolts. After being combined into a number of room units, when two horizontal room units are quickly connected, since the top and the bottom are provided with matching protruding parts and slots, quick splicing can be achieved to improve installation efficiency.

[0023] In order to achieve accurate positioning and prevent front-to-back misalignment during installation, the protruding part is serrated along its length, and the slot is a serrated groove that matches the protruding part.

[0024] In order to further improve the connection strength between two adjacent room-type units, it also includes a plurality of first prestressed tendons, and the plurality of first prestressed tendons are all arranged between two adjacent room-type units in the horizontal direction;

[0025] The first prestressed tendons pass through the top serrated protrusion and the bottom serrated protrusion in sequence from top to bottom; a plurality of first prestressed tendons are evenly distributed along the length direction of the serrated protrusion. In this solution, a plurality of vertical channels are reserved on the side wall of the room unit, and the plurality of vertical channels pass downward from at least two or each serration to facilitate the installation of the first prestressed tendons. It is necessary to ensure that there is at least one first prestressed tendon at the end positions on both sides, and the two adjacent room units are fixed to each other through the plurality of first prestressed tendons.

[0026] In order to match the diversity of the overall structure, it also includes a reorganized bamboo cantilever board, which is fixed to the outside of the top of the room unit and connected to the side of the shear wall board on the top; the bottom of the reorganized bamboo cantilever board is fixed with a diagonal brace supported on the room unit;

[0027] One end of the reorganized bamboo cantilever board extends out of the room unit and extends to the position of another room unit adjacent in the horizontal direction; on the room unit where the reorganized bamboo cantilever board is set, a through longitudinal channel is opened on the serrated protruding part and the serrated groove on the top, and the longitudinal channel is arranged along the length direction of the serrated protruding part and extends into the reorganized bamboo cantilever board. The longitudinal channel part in the reorganized bamboo cantilever board is a diagonal part, and the diagonal part is bent downward in the direction away from the room unit; a second prestressed tendon is inserted into the longitudinal channel. In this solution, a reconstituted bamboo cantilever plate can be arranged on one or more room units in the combined system and fixed by diagonal braces; in addition, since the reconstituted bamboo cantilever plate is made of reconstituted bamboo, a longitudinal channel is also arranged to further improve its overall durability, and the longitudinal channel includes a longitudinal part that longitudinally passes through the serrated part and a diagonal part located in the cantilever structure to pass the second prestressed tendon; the prefabricated reconstituted bamboo diagonal channel connects the floor panel and the prefabricated reconstituted bamboo cantilever plate into a whole through the prestressed tendons, which can enhance the structural rigidity and bearing capacity, reduce the dead weight of the structure, Structural vibration is suppressed and the overall stability of the structure is enhanced. The number of left and right connections of the floor panels can be installed according to demand, and the space utilization is optimized in the structural design. At the same time, the number of support points is reduced, thereby saving space and improving the economy and efficiency of the structure. The cable-stayed ducts and prestressed tendons can effectively transfer loads, including vertical loads and horizontal loads (such as wind loads), and can provide good structural stability and durability. The space utilization is optimized in the structural design, allowing cantilever structures with larger spans, while reducing the number of support points, thereby saving space and improving the economy and efficiency of the structure.

[0028] As a specific structure of a reconstructed bamboo cantilever board, the reconstructed bamboo cantilever board includes a second bamboo frame;

[0029] The second bamboo frame is formed by four bamboo fiber covering panels being enclosed and spliced ​​together; an upper bamboo fiber ply board is sealed and connected to the upper side of the second bamboo frame, and a lower bamboo fiber ply board is sealed and connected to the lower side of the second bamboo frame; a plurality of joists are sequentially connected and spaced along the length direction of the second bamboo frame between two opposite bamboo fiber covering panels in a group;

[0030] The bamboo fiber covering panel is formed by bonding and polymerizing several layers of bamboo fiber felt through a hot pressing process and saturated epoxy resin. In this scheme, the reconstructed bamboo cantilever board includes a second bamboo frame, and the sides of the second bamboo frame are all bamboo fiber covering panels, and the four ends are connected in sequence; an upper bamboo fiber ply board is arranged on the upper side of the second bamboo frame, and a lower bamboo fiber ply board is arranged on the lower side. In the first bamboo frame, a number of joists are evenly distributed along its length direction, so as to support the entire first bamboo frame as a whole; in addition, the inclined hole can pass through a number of joists in sequence, and the second prestressed tendons are fixed by a number of joists; the joists are evenly arranged along the longitudinal length of the bamboo fiber ply board, and the cross-section of the joists is 100-200mm long, 20-40mm wide, and 300-500mm apart; the upper bamboo fiber ply board, the lower bamboo fiber ply board, the bamboo fiber covering panel and the joists are connected by self-tapping screws, and the length of the self-tapping screws is not less than 50mm, and the spacing is not more than 300mm.

[0031] Several pressure-bearing bamboo blocks are also arranged on the inner side of the reorganized bamboo cantilever board, and the pressure-bearing bamboo blocks are arranged on both sides of the ends of the joists and on the inner side of the reorganized bamboo cantilever board to improve the lateral stiffness; the upper bamboo fiber ply board, the lower bamboo fiber ply board and the pressure-bearing bamboo blocks are fixed by glue. During installation, the sixth circular hole on the upper bamboo fiber ply board, the seventh circular hole on the lower bamboo fiber ply board and the circular hole on the pressure-bearing bamboo block are aligned and placed, the diameter of the circular hole is not less than 10mm, and the side length of the pressure-bearing bamboo block is not less than 50mm. The bamboo fiber ply board is formed by bonding and polymerizing four layers of bamboo fiber felt at ply angles of 0°, 90°, 0°, and 90° through hot pressing process and saturated epoxy resin.

[0032] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0033] 1. The utility model provides a prefabricated assembled reconstituted bamboo shear wall panel and its combined system, which has a small overall thickness and the main material is reconstituted bamboo. The manufacturing process is simple, the weight is light, and the strength is very high. The building material itself will not cause harm to the human body and the environment. It is energy-saving and environmentally friendly, naturally beautiful, and has a wide range of uses. The exterior wall is filled with insulation boards to improve the energy-saving effect. The prefabricated assembled reconstituted bamboo shear wall panels and reconstituted bamboo cantilever panels are both prefabricated modular unit components. The established new prefabricated assembled reconstituted bamboo shear wall panel system adopts a green and environmentally friendly bamboo structure, which reduces carbon emissions during the construction process, improves the time-consuming and labor-intensive installation process, improves work efficiency, and solves the defect of insufficient seismic resistance of existing light bamboo structure shear walls.

[0034] 2. The utility model provides a prefabricated assembled reorganized bamboo shear wall panel and its combined system, which adopts an assembled reorganized bamboo shear wall panel system. The assembled construction is convenient and fast, and the length can be spliced ​​at will according to the requirements. The prefabricated reorganized bamboo wall panel is prefabricated in the factory as a whole, and the front cover of the wall panel has a partial hole. It is easy to disassemble and assemble by full bolt connection, and the technical content of the workers is low. All components are prefabricated in the factory and assembled on site to meet the requirements of prefabricated buildings. All components can be reused, which meets the development needs of a resource-saving, environmentally friendly society, and can be installed quickly and maintained conveniently. In addition, the wall panel system of the utility model is equipped with a wall panel cross brace, which has excellent seismic resistance, high strength, strong stability, and is bolted and connected, with strong integrity.

[0035] 3. The utility model provides a prefabricated assembled reconstructed bamboo shear wall panel and its combined system. The prefabricated reconstructed bamboo diagonal channels connect the floor panels and the prefabricated reconstructed bamboo cantilever panels into a whole through prestressed tendons, which can enhance the structural rigidity and bearing capacity, reduce the dead weight of the structure, suppress the structural vibration, and enhance the overall stability of the structure. The number of left and right connections of the floor panels can be installed according to demand, and the space utilization is optimized in the structural design, while the number of support points is reduced, thereby saving space and improving the economy and efficiency of the structure. The diagonal channels and prestressed tendons can effectively transfer loads, including vertical loads and horizontal loads (such as wind loads), and can provide good structural stability and durability, and optimize space utilization in the structural design, allowing cantilever structures with larger spans, while reducing the number of support points, thereby saving space and improving the economy and efficiency of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present utility model, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work. In the drawings:

[0037] Figure 1 A schematic diagram of the structure of the prefabricated assembled reconstituted bamboo shear wall panel provided by the utility model;

[0038] Figure 2 A schematic diagram of the internal structure of the prefabricated assembled reconstituted bamboo shear wall panel provided by the utility model;

[0039] Figure 3 An exploded view of the prefabricated assembled reconstituted bamboo shear wall panel provided by the utility model;

[0040] Figure 4 A schematic diagram of the internal structure of another prefabricated assembled reconstituted bamboo shear wall panel provided by the utility model;

[0041] Figure 5 This is the front view of the reconstructed bamboo cantilever board provided by the utility model;

[0042] Figure 6 A side view of a reconstructed bamboo cantilever board provided by the utility model;

[0043] Figure 7 A schematic diagram of connection nodes between adjacent wall panels provided by the utility model;

[0044] Figure 8 A schematic diagram of the connection node between the cross brace and the middle keel provided by the utility model;

[0045] Fig. 9 A schematic diagram of the corner anchor structure provided by the utility model;

[0046] Fig.10 A schematic diagram of the structure of the combined system provided by the utility model;

[0047] Fig.11 A schematic diagram of the splicing between adjacent room units provided by the utility model;

[0048] Fig.12 A schematic diagram of the connection between the room unit and the reconstructed bamboo cantilever board provided by the utility model;

[0049] Fig.13 A schematic diagram of the planar layout of the longitudinal duct provided by the utility model;

[0050] Fig.14 A schematic diagram of connection nodes between adjacent room units provided by the utility model;

[0051] Fig.15 A schematic diagram of connection nodes between adjacent room units provided by the utility model (sawtooth shape);

[0052] Fig.16 The utility model is a schematic structural diagram of the diagonal brace provided by the utility model.

[0053] Marks and corresponding parts names in the attached drawings:

[0054] 1- Prefabricated assembled reorganized bamboo shear wall panel, 101- Top beam plate, 102- Bottom beam plate, 103- Cross brace, 104- First outer keel, 105- Second outer keel, 106- Middle keel, 108- First circular hole, 109- Second circular hole, 110- Third circular hole, 111- Fourth circular hole, 112- Rear covering plate, 113- Front covering plate, 114- Extension part, 115- Slot, 2- First Prestressed tendons, 3-reorganized bamboo cantilever board, 301-upper bamboo fiber ply board, 302-lower bamboo fiber ply board, 303-joists, 304-pressure-bearing bamboo blocks, 305-sixth circular hole, 306-seventh circular hole, 307-bamboo fiber covering board, 4-corner anchors, 401-fifth circular hole, 402-sixth circular hole, 5-screws, 6-longitudinal holes, 7-angle code, 8-insulation board, 9-bolts, 10-diagonal braces. DETAILED DESCRIPTION

[0055] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with embodiments and drawings. The schematic implementation manner of the utility model and its description are only used to explain the utility model and are not intended to limit the utility model.

[0056] Embodiment 1:

[0057] This embodiment 1 provides a prefabricated assembled reconstituted bamboo shear wall panel, such as Figure 1-Figure 9 As shown, including:

[0058] A first bamboo frame, wherein the first bamboo frame is formed by enclosing and splicing a first outer keel 104, a second outer keel 105, a top beam plate 101 and a bottom beam plate 102; a front side of the first bamboo frame is sealed and connected to a front covering plate 113, and a rear side of the first bamboo frame is sealed and connected to a rear covering plate 112;

[0059] Located in the first bamboo frame, a plurality of cross braces 103 are sequentially connected between the first outer keel 104 and the second outer keel 105 along the length direction thereof; a plurality of middle keels 106 are sequentially connected between the first top beam plate 101 and the first bottom beam plate 102 along the length direction thereof; the cross braces 103 and the middle keels 106 are perpendicular to each other;

[0060] In the first bamboo frame, a heat preservation board 8 is arranged in the area divided by the horizontal brace 103 and the middle keel 106;

[0061] The reconstituted bamboo material is made by hot pressing process.

[0062] Compared with the prior art, for traditional wooden structure shear walls, they are mostly assembled on site, which has low construction efficiency, poor earthquake resistance, difficult or impossible to replace, long construction period, and cannot meet the requirements of modern buildings for high strength, thermal insulation, and other properties. The utility model provides a prefabricated assembled reconstituted bamboo shear wall panel 1 and its combination system. With this solution, the reconstituted bamboo shear wall panel can be quickly spliced ​​through various prefabricated components and can be prefabricated in advance in the factory to improve assembly efficiency; in addition, the overall thickness of the reconstituted bamboo shear wall panel is small, and the main material is reconstituted bamboo, which has a simple manufacturing process, light weight, high strength, and the building material itself is energy-saving and environmentally friendly, and improves the thermal insulation and energy-saving effect. In the specific scheme, the prefabricated assembled reorganized bamboo shear wall panel 1 includes a first bamboo frame, the left and right sides of the first bamboo frame are respectively the first outer keel 104 and the second outer keel 105, the upper and lower sides are the top beam plate 101 and the bottom beam plate 102, and the ends of the four are connected in sequence; a front covering panel 113 is arranged on the front side of the first bamboo frame, and a rear covering panel 112 is arranged on the rear side, and the front covering panel 113 and the rear covering panel 112 are arranged vertically on both sides along the grain, and a plurality of horizontal braces 103 and middle braces 103 are evenly distributed in the horizontal and longitudinal directions in the first bamboo frame. The intermediate keel 106 is provided to support the entire first bamboo frame as a whole; in the above, the spacing between the first outer keel 104, the second outer keel 105 and the intermediate keel 106 is 200mm-500mm, and the spacing between the plurality of cross braces 103 is 400mm-600mm; the cross section of the top beam 101, the bottom beam 102, the first outer keel 104, the second outer keel 105, the cross brace 103 and the intermediate keel 106 is 100-200mm long and 20-40mm wide. Insulation board 8 is also arranged in the gap inside the first bamboo frame to improve the effect of heat preservation and energy saving; the above-mentioned spliced ​​overall structure can be connected between adjacent parts by self-tapping screws 5, the length of self-tapping screws 5 is 60mm-150mm, the spacing between self-tapping screws 5 between top beam plate 101, bottom beam plate 102, first outer keel 104 and second outer keel 105, front covering plate 113 is 100-200mm, the spacing between self-tapping screws 5 between first outer keel 104, middle keel 106 and rear covering plate 112, front covering plate 113 is 200-400mm. In this way, by splicing the above-mentioned prefabricated parts, the overall reconstructed bamboo shear wall panel can be prefabricated in advance in the factory to improve the assembly efficiency on site; in addition, the reconstructed bamboo material used is reconstructed bamboo made by hot pressing process, and the density of the reconstructed bamboo material made by hot pressing process is 0.8-1.2g / cm 3The cross section is rectangular, the length is 100mm-200mm, the width is 20mm-40mm, the manufacturing process is simple, the weight is light, the strength is high, and the building material itself is energy-saving and environmentally friendly; the front cladding panel 113 and the rear cladding panel 112 are made of lightweight and environmentally friendly materials, such as OSB standard materials or reconstructed bamboo lightweight panels; the length of the combined reconstructed bamboo shear wall panel is 1000mm-1250mm, the height is 2500mm-2800mm, the thickness of the floor panel is 100mm-200mm, and the bolt 9 used for connection is M8.8 grade with a diameter of 10mm-20mm.

[0063] In order to enhance the integrity of the reconstructed bamboo shear wallboard and improve the lateral stiffness and corner stiffness, the corners where the cross brace 103 and the middle keel 106 meet are connected with angle brackets 7, and the two sides of the angle brackets 7 are respectively connected to the cross brace 103 and the middle keel 106 by screws 5;

[0064] Corner anchors 4 are provided at the corners on both sides of the bottom of the first bamboo frame. The cross-section of the corner anchors 4 is triangular and is connected to the inner side of the first bamboo frame by screws 5. The corner anchors 4 include a bottom plate and a vertical plate. The vertical plate is fixed to the end of the bottom plate, and triangle plates are fixed on both sides between the bottom plate and the vertical plate. In this solution, the connection node between the cross brace 103 and the middle keel 106 is cross-shaped, and the angle code 7 is arranged at the four corner positions of the connection node to improve the rigidity of the upper and lower sides and the left and right sides; corner anchors 4 are arranged on both sides of the bottom of the first bamboo frame, and the rigidity is further improved due to the combination of two triangular plates, a bottom plate and a side plate, so that when the first bamboo frame is placed vertically, the bottom can serve as the main load-bearing end; in addition, a first circular hole 108, a second circular hole 109 and a third circular hole 110 are respectively opened at the two corner positions of the bottom of the first bamboo frame to connect with the fifth circular hole 401 and the sixth circular hole 305 on the corner anchor 4 through the bolt 9; the first circular hole 108 is not less than 100mm from the edge of the wall panel, and the second circular hole 109 is not less than 150mm from the edge of the wall panel, and the diameters of the above-mentioned plurality of circular holes are 10mm-20mm; the thickness t of the corner anchor 4 is not less than 6mm, b is not less than 100mm, and h is not less than 200mm.

[0065] Embodiment 2:

[0066] This embodiment 2 is further limited on the basis of embodiment 1, and provides a specific structure of a cross brace 103, such as Figure 3 shown.

[0067] The cross brace 103 includes a plurality of sub-plates, which are respectively located between two adjacent middle keels 106, between the middle keel 106 and the first outer keel 104, and between the middle keel 106 and the second outer keel 105. In this solution, the cross brace 103 is a discontinuous whole, composed of a plurality of sub-plates, and the two ends of the sub-plates are respectively connected between two adjacent middle keels 106 or between the middle keel 106 and the outer keels, and connected by screws 5.

[0068] Embodiment 3:

[0069] This embodiment 3 is further limited on the basis of embodiment 1, and provides another specific structure of the cross brace 103, such as Figure 4 shown.

[0070] The connection nodes of the cross brace 103 and the middle keel 106 are both provided with notches, and the cross brace 103 and the middle keel 106 are connected by mortise and tenon joints. In this solution, the cross brace 103 is a continuous whole, with notches in its length direction, and the width is adjusted along with the middle keel 106. At the same time, the middle keel 106 also has notches, and the width is adjusted along with the cross brace 103. During the production process, the middle keel 106 and the cross brace 103 are connected by mortise and tenon joints, and connected into a whole by the angle code 7. This structure further improves the installation efficiency and improves the integrity of the wall panel.

[0071] The density of the reconstituted bamboo material produced by the hot pressing process is 0.8-1.2 g / cm 3 , its cross section is rectangular, the length is 100mm-200mm, and the width is 20mm-40mm.

[0072] Embodiment 4:

[0073] This embodiment 4 is further limited on the basis of embodiment 1, and provides a prefabricated assembled reorganized bamboo shear force combination system, such as Figure 10-Figure 16 As shown, including:

[0074] A plurality of room type units, wherein the plurality of room type units are sequentially spliced ​​in the horizontal direction or the height direction; the side walls of the room type units are formed by splicing a plurality of prefabricated assembled recombined bamboo shear wall panels 1 with each other;

[0075] Between two adjacent housing units in the horizontal direction:

[0076] The shear wall panel on the top of the room unit extends out of the room unit and toward another opposite room unit; the shear wall panel on the top of the other room unit is reserved with a slot 115 adapted to the extended portion 114;

[0077] The shear wall panel at the bottom of the room unit is pre-set with a slot 115 , and the shear wall panel at the bottom of another opposite room unit extends out of the room unit, and the extending portion 114 is matched with the slot 115 .

[0078] In this solution, a plurality of prefabricated assembled reconstructed bamboo shear wall panels 1 are prefabricated in the factory and used as side walls for splicing. The floor panels and the bottom panels also use the same reconstructed bamboo shear wall panels. They can be quickly spliced ​​together on site to form an integral room unit. A plurality of fourth through holes are opened on the side walls of the reconstructed bamboo shear wall panels to connect adjacent reconstructed bamboo shear wall panels through bolts 9. After being combined into a plurality of room units, when two horizontal room units are quickly connected, since the top and the bottom are provided with matching protruding parts 114 and slots 115, quick splicing can be achieved to improve installation efficiency.

[0079] In order to achieve accurate positioning and prevent front-to-back misalignment during installation, the protruding portion 114 is serrated along its length, and the slot 115 is a serrated groove that matches the protruding portion 114 .

[0080] In order to further improve the connection strength between two adjacent room-type units, it also includes a plurality of first prestressed tendons 2, and the plurality of first prestressed tendons 2 are all arranged between two adjacent room-type units in the horizontal direction;

[0081] The first prestressed tendons 2 pass through the top serrated protruding portion 114 and the bottom serrated protruding portion 114 in sequence from top to bottom; a plurality of first prestressed tendons 2 are evenly distributed along the length direction of the serrated protruding portion 114. In this solution, a plurality of vertical channels are reserved on the side wall of the room type unit, and the plurality of vertical channels pass downward from at least two or each serration to facilitate the installation of the first prestressed tendons 2. It is necessary to ensure that there is at least one first prestressed tendon 2 at the end positions on both sides, and the two adjacent room type units are fixed to each other through the plurality of first prestressed tendons 2.

[0082] In order to match the diversity of the overall structure, it also includes a reorganized bamboo cantilever board 3, which is fixed to the outside of the top of the room unit and connected to the side of the shear wall board on the top; the bottom of the reorganized bamboo cantilever board 3 is fixed with a diagonal brace 10 supported on the room unit;

[0083] One end of the reorganized bamboo cantilever board 3 extends out of the room unit and extends to the position of another room unit adjacent in the horizontal direction; on the room unit where the reorganized bamboo cantilever board 3 is set, a through longitudinal channel 6 is opened on the serrated protruding part 114 and the serrated groove on the top thereof, and the longitudinal channel 6 is arranged along the length direction of the serrated protruding part 114 and extends into the reorganized bamboo cantilever board 3, and the longitudinal channel 6 in the reorganized bamboo cantilever board 3 is a diagonal part, and the diagonal part is bent downward in the direction away from the room unit; a second prestressed tendon is inserted into the longitudinal channel 6. In this solution, a restructured bamboo cantilever plate 3 can be arranged on one or more room units in the combined system and fixed by a diagonal brace 10; in addition, since the restructured bamboo cantilever plate 3 is made of restructured bamboo, a longitudinal channel 6 is further arranged to further improve its overall durability. The longitudinal channel 6 includes a longitudinal portion that longitudinally passes through the serrated portion and a diagonal portion located in the cantilever structure to pass through the second prestressed tendon; the prefabricated restructured bamboo diagonal channel connects the floor panel and the prefabricated restructured bamboo cantilever plate 3 into a whole through the prestressed tendons, which can enhance the structural rigidity and bearing capacity and reduce the structural The deadweight can be reduced, the structural vibration can be suppressed, and the overall stability of the structure can be enhanced. The number of left and right connections of the floor panels can be installed according to demand, and the space utilization can be optimized in the structural design, while reducing the number of support points, thereby saving space and improving the economy and efficiency of the structure. The cable-stayed ducts and prestressed tendons can effectively transfer loads, including vertical loads and horizontal loads (such as wind loads), and can provide good structural stability and durability. The space utilization can be optimized in the structural design, allowing cantilever structures with larger spans, while reducing the number of support points, thereby saving space and improving the economy and efficiency of the structure.

[0084] Embodiment 5:

[0085] This embodiment 5 is further limited on the basis of embodiment 4, and also provides a specific structure of a reconstructed bamboo cantilever board 3, wherein the reconstructed bamboo cantilever board 3 includes a second bamboo frame;

[0086] The second bamboo frame is formed by four bamboo fiber covering panels 307 being enclosed and spliced ​​together; an upper bamboo fiber ply board 301 is sealed and connected to the upper side of the second bamboo frame, and a lower bamboo fiber ply board 302 is sealed and connected to the lower side of the second bamboo frame; a plurality of joists 303 are sequentially connected and spaced along the length direction of the second bamboo frame between two opposite bamboo fiber covering panels 307 in one group;

[0087] The bamboo fiber covering panel 307 is formed by bonding and polymerizing a plurality of layers of bamboo fiber felt through a hot pressing process and saturated epoxy resin. In this scheme, the reorganized bamboo cantilever board 3 includes a second bamboo frame, and the second bamboo frame is surrounded by bamboo fiber covering panels 307, and the ends of the four are connected in sequence; an upper bamboo fiber ply board 301 is arranged on the upper side of the second bamboo frame, and a lower bamboo fiber ply board 302 is arranged on the lower side. In the first bamboo frame, a plurality of joists 303 are evenly distributed along its length direction, so as to support the entire first bamboo frame as a whole; in addition, the inclined hole can pass through the plurality of joists 303 in sequence, and the second prestressed tendons are fixed by the plurality of joists 303; the joists 303 are evenly arranged along the longitudinal length of the bamboo fiber ply board, and the cross-section of the joists 303 is 100-200mm long, 20-40mm wide, and 300-500mm apart; the upper bamboo fiber ply board 301, the lower bamboo fiber ply board 302, the bamboo fiber covering panel and the joists 303 are connected by self-tapping screws 5, and the length of the self-tapping screws 5 is not less than 50mm, and the spacing is not greater than 300mm.

[0088] A plurality of pressure-bearing bamboo blocks 304 are also arranged on the inner side of the reorganized bamboo cantilever board 3, and the pressure-bearing bamboo blocks 304 are respectively arranged on both sides of the ends of the joists 303 and on the inner side of the reorganized bamboo cantilever board 3, for improving the lateral stiffness; the upper bamboo fiber ply board 301, the lower bamboo fiber ply board 302 and the pressure-bearing bamboo blocks 304 are fixed by glue, and when installing, the sixth circular hole 305 on the upper bamboo fiber ply board 301, the seventh circular hole 306 on the lower bamboo fiber ply board 302 and the circular hole on the pressure-bearing bamboo block 304 are aligned and placed, the diameter of the circular hole is not less than 10mm, and the side length of the pressure-bearing bamboo block 304 is not less than 50mm. The bamboo fiber ply board is formed by bonding and polymerizing four layers of bamboo fiber felt at ply angles of 0°, 90°, 0°, and 90° through a hot pressing process and saturated epoxy resin.

[0089] During the actual installation, the reorganized bamboo wall panels, reorganized bamboo floor panels, reorganized bamboo cantilever panels 3, and the assembly of reorganized bamboo cantilever panels 3 and floor panels are produced and assembled in the factory, and the insulation board 8 and other materials are filled inside the bamboo structure. Prestressed tendons are used on site to construct from bottom to top, first connecting the prefabricated reorganized bamboo wall panels and the foundation, then connecting the cantilever panels and floor panel assembly to the wall panels, then installing other side wall panels, and then performing concave and convex serration splicing to complete the fixing of adjacent walls, and actual assembly and disassembly are performed according to needs.

[0090] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only the specific implementation method of the utility model and is not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A prefabricated assembled reconstituted bamboo shear wall panel, characterized in that: include: A first bamboo frame, wherein the first bamboo frame is formed by splicing a first outer keel (104), a second outer keel (105), a top beam plate (101) and a bottom beam plate (102); a front cover plate (113) is sealed and connected to the front side of the first bamboo frame, and a rear cover plate (112) is sealed and connected to the rear side of the first bamboo frame; Located in the first bamboo frame, a plurality of cross braces (103) are sequentially connected at intervals between the first outer keel (104) and the second outer keel (105) along their length direction; a plurality of middle keels (106) are sequentially connected at intervals between the first top beam plate (101) and the first bottom beam plate (102) along their length direction; the cross braces (103) and the middle keels (106) are perpendicular to each other; A heat preservation board (8) is arranged in the area of ​​the first bamboo frame divided by the cross brace (103) and the middle keel (106); The reconstituted bamboo material is made by hot pressing process.

2. The prefabricated assembled reconstituted bamboo shear wall panel according to claim 1, characterized in that: Angle brackets (7) are connected to the corners where the cross brace (103) and the middle keel (106) meet, and two sides of the angle brackets (7) are respectively connected to the cross brace (103) and the middle keel (106) via screws (5); Corner anchors (4) are provided at both side corners of the bottom of the first bamboo frame. The corner anchors (4) have a triangular cross section and are connected to the inner side of the first bamboo frame via screws (5). The corner anchors (4) include a bottom plate and a vertical plate, the vertical plate is fixed to the end of the bottom plate, and triangle plates are fixed on both sides between the bottom plate and the vertical plate.

3. The prefabricated assembled reconstituted bamboo shear wall panel according to claim 1, characterized in that: The cross brace (103) includes a plurality of sub-plates, which are respectively located between two adjacent middle keels (106), between the middle keel (106) and the first outer keel (104), and between the middle keel (106) and the second outer keel (105).

4. The prefabricated assembled reconstituted bamboo shear wall panel according to claim 1, characterized in that: The connection nodes of the cross brace (103) and the middle keel (106) are both provided with notches, and the cross brace (103) and the middle keel (106) are spliced ​​with mortise and tenon joints.

5. The prefabricated assembled reconstituted bamboo shear wall panel according to claim 1, characterized in that: The density of the reconstituted bamboo material produced by the hot pressing process is 0.8-1.2 g / cm 3 , whose cross section is rectangular.

6. A prefabricated assembled bamboo shear force combination system, characterized in that: include: A plurality of room type units, wherein the plurality of room type units are sequentially spliced ​​in the horizontal direction or the height direction; the side walls of the room type units are formed by splicing together a plurality of prefabricated assembled recombinant bamboo shear wall panels (1) according to any one of claims 1 to 5; Between two adjacent housing units in the horizontal direction: The shear wall panel on the top of the room unit extends out of the room unit and toward another opposite room unit; the shear wall panel on the top of the other room unit is reserved with a slot (115) adapted to the extended portion; The shear wall panel at the bottom of the room unit is pre-set with a slot, and the shear wall panel at the bottom of another room unit extends out of the room unit, and the extended portion (114) is matched with the slot (115).

7. The prefabricated assembled bamboo shear force combination system according to claim 6, characterized in that: The protruding portion is sawtooth-shaped along its length direction, and the slot (115) is a sawtooth groove matched with the protruding portion (114).

8. The prefabricated assembled bamboo shear force combination system according to claim 7, characterized in that: It also includes a plurality of first prestressed tendons (2), wherein the plurality of first prestressed tendons (2) are all arranged between two adjacent room-type units in the horizontal direction; The first prestressed tendons (2) pass through the top serrated protruding portion and the bottom serrated protruding portion in sequence from top to bottom; a plurality of first prestressed tendons (2) are evenly distributed along the length direction of the serrated protruding portion.

9. The prefabricated assembled bamboo shear force combination system according to claim 8, characterized in that: It also includes a reorganized bamboo cantilever board (3), which is fixed to the outside of the top of the room unit and connected to the side of the shear wall board at the top; One end of the reorganized bamboo cantilever board (3) extends out of the room unit and extends to the position of another room unit adjacent in the horizontal direction; on the room unit where the reorganized bamboo cantilever board (3) is arranged, a through longitudinal channel (6) is opened on the serrated protruding part and the serrated groove at the top thereof, the longitudinal channel (6) is arranged along the length direction of the serrated protruding part and extends into the reorganized bamboo cantilever board (3), the longitudinal channel (6) in the reorganized bamboo cantilever board (3) is a diagonal portion, and the diagonal portion is bent downward in a direction away from the room unit; a second prestressed tendon is inserted into the longitudinal channel (6).

10. The prefabricated assembled bamboo shear force combination system according to claim 9, characterized in that: The reconstructed bamboo cantilever board (3) comprises a second bamboo frame; The second bamboo frame is formed by splicing four bamboo fiber covering panels (307); an upper bamboo fiber ply board (301) is sealed and connected to the upper side of the second bamboo frame, and a lower bamboo fiber ply board (302) is sealed and connected to the lower side of the second bamboo frame; a plurality of joists (303) are sequentially connected and spaced along the length direction of the second bamboo frame between two opposing bamboo fiber covering panels (307) in a group; The bamboo fiber covering panel (307) is formed by bonding and polymerizing a plurality of layers of bamboo fiber felt through a hot pressing process and saturated epoxy resin.

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