阅读说明：本技术 全预应力拼装的正交胶合竹板-墙建筑结构体系及其施工方法 (Full-prestress assembled orthogonal glued bamboo board-wall building structure system and construction method thereof ) 是由 吕清芳 刘文龙 卢宇杰 于 2021-06-30 设计创作，主要内容包括：本发明公开了一种全预应力拼装的正交胶合竹板-墙建筑结构体系及其施工方法,正交胶合竹板-墙建筑结构体系包括CLB横向墙体,CLB纵向墙体,CLB楼板,预应力筋,锚固钢板,基础,支承件,剪力件。所述CLB横向墙体、CLB纵向墙体以及CLB楼板相互之间通过预应力筋连接,CLB横向墙体、CLB纵向墙体与基础也通过预应力筋连接。本发明通过全预应力拼装,充分实现了预制化和装配化,是一种绿色环保、抗震性能良好的建筑结构体系。(The invention discloses a full-prestress assembled orthogonal glued bamboo board-wall building structure system and a construction method thereof. The CLB transverse wall body, the CLB longitudinal wall body and the CLB floor slab are connected through prestressed tendons, and the CLB transverse wall body, the CLB longitudinal wall body and the foundation are also connected through the prestressed tendons. The invention fully realizes prefabrication and assembly through full prestress assembly, and is a building structure system with environmental protection and good earthquake resistance.)

1. The utility model provides an orthogonal veneer bamboo clapper-wall building structure system that full prestressing force was assembled, includes basis (6), sets up the wall body in basis (6) top, sets up in basis (6) top and be in the floor of the interior predetermined floor height position department of wall body, and the wall body includes along the horizontal wall body of basis (6) transverse arrangement and along the vertical wall body of basis (6) longitudinal arrangement, its characterized in that: the steel plate shear further comprises prestressed tendons (4), anchoring steel plates (5), supporting pieces (7) and shear pieces (8); wherein:

the prestressed tendons (4) comprise vertical prestressed tendons (4-1), floor slab prestressed tendons (4-2) and longitudinal and transverse wall connecting prestressed tendons (4-3);

the anchoring steel plate (5) comprises a vertical anchoring steel plate (5-1), a floor slab anchoring steel plate (5-2) and longitudinal and transverse wall anchoring steel plates (5-3);

the transverse wall body, the longitudinal wall body and the floor slab are all of a through-long prefabricated orthogonal glued bamboo board structure, the transverse wall body is marked as a CLB transverse wall body (1), the longitudinal wall body is marked as a CLB longitudinal wall body (2), and the floor slab is marked as a CLB floor slab (3);

a vertical prestressed tendon pore channel a (1-3) is vertically perforated in the CLB transverse wall body (1); the CLB longitudinal wall body (2) is respectively provided with a vertical prestressed tendon pore passage b (2-3) in a penetrating way along the vertical direction and a longitudinal and transverse wall prestressed tendon pore passage (2-4) in a penetrating way along the transverse direction;

the CLB floor (3) is provided with a floor prestressed tendon pore canal (3-3) in a penetrating way; the floor prestressed tendon pore passage (3-3) comprises two types, wherein one type is a transverse floor prestressed tendon pore passage which is arranged along the transverse direction of the CLB floor (3) in a through manner; the other type is a longitudinal floor prestressed tendon pore channel which is arranged along the longitudinal direction of the CLB floor (3) in a penetrating way;

one end of each vertical prestressed tendon (4-1) is anchored in the foundation (6), and the other end of each vertical prestressed tendon (4-1) correspondingly penetrates through a vertical prestressed tendon pore passage a (1-3) or a vertical prestressed tendon pore passage b (2-3) and then is anchored with a vertical anchoring steel plate (5-1) placed on the outer side of the corresponding CLB transverse wall (1)/CLB longitudinal wall (2);

the longitudinal and transverse wall connecting prestressed tendons (4-3) are arranged in the longitudinal and transverse wall prestressed tendon pore passages (2-4), and after both ends of the longitudinal and transverse wall connecting prestressed tendons (4-3) sequentially penetrate out of the longitudinal and transverse wall prestressed tendon pore passages (2-4) and the CLB transverse wall body (1), the longitudinal and transverse wall connecting prestressed tendons are anchored with the longitudinal and transverse wall anchoring steel plates (5-3) arranged on the outer side of the CLB transverse wall body (1);

the floor prestressed tendon (4-2) is arranged in a floor prestressed tendon pore passage (3-3), and the floor prestressed tendon (4-2) arranged in a transverse floor prestressed tendon pore passage is anchored with a floor anchoring steel plate (5-2) arranged at the outer side of the CLB transverse wall body (1) after both ends of the floor prestressed tendon (4-2) sequentially penetrate out of the floor prestressed tendon pore passage (3-3) and the CLB transverse wall body (1), and the floor prestressed tendon pore passage (3-3) arranged in a longitudinal floor prestressed tendon pore passage is anchored with a floor anchoring steel plate (5-2) arranged at the outer side of the CLB longitudinal wall body (2) after both ends of the floor prestressed tendon pore passage (3-3) and the CLB longitudinal wall body (2) sequentially penetrate out;

the shearing force piece (8) is arranged at the splicing position between the foundation (6) and the wall body.

2. The fully prestressed assembled CLB panel-wall building structural system according to claim 1, wherein: the prefabricated orthogonal glued bamboo board structure comprises recombined bamboo veneers and glue layers, and the recombined bamboo veneers which are arranged orthogonally are glued and assembled through the glue layers and then are subjected to cold press molding.

3. The fully prestressed assembled CLB panel-wall building structural system according to claim 2, wherein: the number of the layers of the recombined bamboo veneers in the prefabricated orthogonal glued bamboo board structure is odd, and the grains of the recombined bamboo veneer a (1-1) at the outermost layer of the CLB transverse wall body (1) and the grains of the recombined bamboo veneer b (2-1) at the outermost layer of the CLB longitudinal wall body (2) are vertical to the ground.

4. A fully prestressed, assembled CLB panel-wall building structural system according to claim 3, characterized in that: the CLB transverse wall (1) and the CLB longitudinal wall (2) are also provided with a fireproof protective layer, a heat insulation layer, a waterproof layer and a sound insulation layer; the fireproof protective layer is made of fireproof gypsum boards and is directly connected with the wall body base layer through wooden or metal keels through expansion bolts; the sound insulation layer and the heat insulation layer are arranged between the gypsum board surface layer and the wall body base layer, and the heat insulation layer is made of filling mineral wool fibers; the wall body base layer is of the prefabricated orthogonal glued bamboo board structure.

5. The fully prestressed assembled CLB panel-wall building structural system according to claim 1, wherein: the vertical prestressed tendon pore channels b (2-3) and the longitudinal and transverse wall prestressed tendon pore channels (2-4) are arranged in the CLB longitudinal wall body (2) in a staggered mode, the vertical prestressed tendon pore channels b (2-3) are arranged in the center of the CLB longitudinal wall body (2), and the longitudinal and transverse wall prestressed tendon pore channels (2-4) are symmetrically arranged on two sides of the center of the CLB longitudinal wall body (2).

6. The fully prestressed assembled CLB panel-wall building structural system according to claim 1, wherein: the transverse floor prestressed tendon pore channels and the longitudinal floor prestressed tendon pore channels in the CLB floor (3) are arranged in a staggered mode in a layered mode.

7. The fully prestressed assembled CLB panel-wall building structural system according to claim 1, wherein: the supporting pieces (7), the CLB transverse wall body (1), the CLB longitudinal wall body (2) and the CLB floor slab (3) are connected through bolts, and the arrangement density of the supporting pieces (7) is calculated according to the actual bearing capacity requirement.

8. The fully prestressed assembled CLB panel-wall building structural system according to claim 1, wherein: the piece (7) is a support angle steel or a steel bracket.

9. The fully prestressed assembled CLB panel-wall building structural system according to claim 1, wherein: and an outer wrapping angle steel (9) is arranged at the joint position of the CLB transverse wall body (1) and the CLB longitudinal wall body (2) on the outer side of the wall body at the preset floor height position.

10. A construction method of the fully prestressed assembled CLB panel-wall building structure system as claimed in claim 1, wherein: the method comprises the following construction steps:

step one, when a foundation (6) is poured, pre-burying a prestressed pipeline and an anchorage device; then anchoring the vertical prestressed tendons (4-1) into the foundation, and pouring concrete;

step two, after the foundation (6) is maintained to meet the bearing capacity requirement, penetrating the vertical prestressed tendons (4-1) into the CLB transverse wall body (1) and the CLB longitudinal wall body (2) at the corresponding positions and hoisting the vertical prestressed tendons to the specified positions, tensioning the vertical prestressed tendons (4-1) to primarily fix the CLB transverse wall body (1) and the CLB longitudinal wall body (2), and arranging the shear pieces (8) to be connected with the CLB transverse wall body (1), the CLB longitudinal wall body (2) and the foundation (6);

step three, mounting the support (7) to a specified height and fixing the support by using bolts, then hoisting the CLB floor (3) to the specified height and placing the CLB floor on the support (7), and tensioning the floor prestressed tendons (4-2); then, penetrating the longitudinal and transverse wall prestressed tendons (4-3) and tensioning and anchoring to connect the CLB transverse wall body (1) and the CLB longitudinal wall body (2);

and fourthly, mounting outsourcing angle steel (9) on the outer side of the wall body to connect the CLB transverse wall body (1) and the CLB longitudinal wall body (2).

Technical Field

The invention relates to a fully prestressed assembled building structure system and a construction method thereof, in particular to a fully prestressed assembled orthogonal glued bamboo board-wall building structure system structure technology, belonging to the technical field of civil engineering.

Background

The bamboo wood has the advantages of high growth speed, short growth period and capability of absorbing carbon dioxide, belongs to a rapid renewable resource, is widely distributed in China, and has a long history as a building material. The bamboo wood has good mechanical property, higher specific strength than wood and common steel, strong deformability, better elasticity and toughness and smaller residual deformation after being subjected to larger load. However, the traditional bamboo structure mainly uses raw bamboos as structural materials, and because the raw bamboos are hollow, the diameters and the lengths of the raw bamboos are limited and irregular, the application range is greatly limited; the anisotropism of the raw bamboo causes the complex nodes; gaps exist among the raw bamboos, so that the heat preservation and insulation functions are poor, and the living use feeling is poor; the house built by the raw bamboo material has great randomness and low technical content.

In order to make up for the inherent defects of the original bamboo, the modern bamboo structure is constructed by engineering bamboo materials such as bamboo restructuring materials, the restructuring bamboo is an engineering bamboo material which is obtained by untwining the bamboo materials into loose reticular fiber bundles which are long and cross-linked with each other and keep the original arrangement mode of fibers, drying, gluing, embryo forming and hot pressing, and has the characteristics of high strength, regular section and the like. But the fiber arrangement direction of the bamboo is not disturbed in the processing process of the recombined bamboo, and the defect of anisotropy is still not improved. In addition, the modern bamboo structure usually adopts the connection form of components such as steel splint bolt joints, steel connecting pieces, bolt combination joints and steel sleeve connecting joints, and the connection brings various problems of complex construction steps, large weakening of cross sections, unclear stress mechanism and the like, and the quick assembly characteristic and the good stress performance cannot be considered.

Disclosure of Invention

The technical problem is as follows: in order to solve the problems that the anisotropic characteristics of recombined bamboo and the modern bamboo structure in the prior art cannot realize quick assembly and excellent stress performance, the invention aims to provide a full-prestress assembled orthogonal glued bamboo board-wall building structure system which has the advantages of environmental protection, convenient construction, quick assembly and the like. The second purpose of the invention is to provide a construction step of a fully prestressed assembled orthogonal glued bamboo board-wall building structure system.

The technical scheme is as follows:

a full-prestress assembled orthogonal glued bamboo board-wall building structure system comprises a foundation, a wall body arranged above the foundation and a floor slab arranged above the foundation and positioned at a preset floor height position in the wall body, wherein the wall body comprises a transverse wall body arranged transversely along the foundation and a longitudinal wall body arranged longitudinally along the foundation, and further comprises prestressed tendons, anchoring steel plates, supporting pieces and shearing pieces; wherein:

the prestressed tendons comprise vertical prestressed tendons, floor slab prestressed tendons and longitudinal and transverse wall connecting prestressed tendons;

the anchoring steel plate comprises a vertical anchoring steel plate, a floor slab anchoring steel plate and longitudinal and transverse wall anchoring steel plates;

the transverse wall, the longitudinal wall and the floor slab are all of a full-length prefabricated orthogonal glued bamboo board structure, the transverse wall is marked as a CLB transverse wall, the longitudinal wall is marked as a CLB longitudinal wall, and the floor slab is marked as a CLB floor slab;

a vertical prestressed tendon pore channel a is vertically perforated in the CLB transverse wall; the CLB longitudinal wall is respectively provided with a vertical prestressed tendon pore passage b which is vertically through and a longitudinal and transverse wall prestressed tendon pore passage which is horizontally through and preset;

a floor prestressed tendon pore passage is preset in the CLB floor in a penetrating way; the floor slab prestressed tendon pore passage comprises two types, wherein one type is a transverse floor slab prestressed tendon pore passage which is arranged along the transverse direction of the CLB floor slab in a through manner; the other type is a longitudinal floor prestressed tendon pore channel which is arranged along the longitudinal direction of the CLB floor in a penetrating way;

one end of each vertical prestressed tendon is anchored in the foundation, and the other end of each vertical prestressed tendon correspondingly penetrates through the vertical prestressed tendon duct a or the vertical prestressed tendon duct b and then is anchored by a vertical anchoring steel plate placed above the corresponding CLB transverse wall body/CLB longitudinal wall body;

the longitudinal and transverse wall connecting prestressed tendons are arranged in the longitudinal and transverse wall prestressed tendon pore passages, and two ends of the longitudinal and transverse wall connecting prestressed tendons sequentially penetrate out of the longitudinal and transverse wall prestressed tendon pore passages and the CLB transverse wall body and are anchored with the longitudinal and transverse wall anchoring steel plates arranged on the outer side of the CLB transverse wall body;

the floor prestressed tendon is arranged in a floor prestressed tendon pore passage, and the floor prestressed tendon arranged in the transverse floor prestressed tendon pore passage is anchored with a floor anchoring steel plate arranged on the outer side of the CLB transverse wall body after both ends of the floor prestressed tendon sequentially penetrate out of the floor prestressed tendon pore passage and the CLB transverse wall body, the floor prestressed tendon pore passage arranged in the longitudinal floor prestressed tendon pore passage is anchored with a floor anchoring steel plate arranged on the outer side of the CLB longitudinal wall body after both ends of the floor prestressed tendon sequentially penetrate out of the floor prestressed tendon pore passage and the CLB longitudinal wall body;

the shear member is arranged at the splicing position between the foundation and the wall body.

Preferably, the prefabricated orthogonal glued bamboo board structure comprises recombined bamboo veneers and glue layers, and the recombined bamboo veneers which are orthogonally arranged are glued and assembled through the glue layers and then are subjected to cold press molding.

Preferably, the number of the layers of the recombined bamboo veneers in the prefabricated orthogonal glued bamboo board structure is an odd number, and the grains of the recombined bamboo veneer a at the outermost layer of the CLB transverse wall body and the grains of the recombined bamboo veneer b at the outermost layer of the CLB longitudinal wall body are perpendicular to the ground.

Preferably, the CLB transverse wall body and the CLB longitudinal wall body are also provided with a fireproof protective layer, a heat insulation layer, a waterproof layer and a sound insulation layer; the fireproof protective layer is made of fireproof gypsum boards and is directly connected with the wall body base layer through wooden or metal keels through expansion bolts; the sound insulation layer and the heat insulation layer are arranged between the gypsum board surface layer and the wall body base layer, and the heat insulation layer is made of filling mineral wool fibers; the wall body base layer is of the prefabricated orthogonal glued bamboo board structure.

Preferably, the vertical prestressed tendon pore channels b and the longitudinal and transverse wall prestressed tendon pore channels are arranged in the longitudinal CLB wall in a staggered manner, the vertical prestressed tendon pore channels b are arranged in the center of the longitudinal CLB wall, and the longitudinal and transverse wall prestressed tendon pore channels are symmetrically arranged on two sides of the center of the longitudinal CLB wall.

Preferably, the transverse floor prestressed tendon pore channels and the longitudinal floor prestressed tendon pore channels in the CLB floor are arranged in a staggered mode in a layered mode.

Preferably, the supporting members, the CLB transverse wall bodies, the CLB longitudinal wall bodies and the CLB floor slabs are connected through bolts, and the arrangement density of the supporting members is calculated according to the actual bearing capacity requirement.

Preferably, the support is a support angle or a steel corbel.

Preferably, the outer-wrapping angle steel is arranged at the outer side of the position of the preset floor height of the wall body and at the joint position of the CLB transverse wall body and the CLB longitudinal wall body.

Another technical object of the present invention is to provide a method for constructing the fully prestressed assembled CLB panel-wall building structure system, which comprises the following steps:

step one, pre-burying a prestressed pipeline and an anchorage device when pouring a foundation; then anchoring the vertical prestressed tendons into the foundation, and pouring concrete;

after the foundation maintenance meets the bearing capacity requirement, penetrating the vertical prestressed tendons into the CLB transverse wall body and the CLB longitudinal wall body at the corresponding positions and hoisting the CLB longitudinal wall body to the specified positions, tensioning the vertical prestressed tendons to primarily fix the CLB transverse wall body and the CLB longitudinal wall body, and arranging shear pieces which are connected with the CLB transverse wall body, the CLB longitudinal wall body and the foundation;

step three, mounting the support to a specified height, fixing the support by using bolts, hoisting the CLB floor to the specified height, placing the CLB floor on the support, and tensioning the prestressed tendons of the floor; then penetrating the longitudinal and transverse wall prestressed tendons, and stretching and anchoring to connect the CLB transverse wall body and the CLB longitudinal wall body;

and fourthly, mounting outer-wrapping angle steel on the outer side of the wall body to connect the CLB transverse wall body and the CLB longitudinal wall body.

Has the advantages that:

compared with the prior art and the prior art:

the invention adopts full prestressed connection, the prestressed tendons are stretched without bonding through the reserved holes and are in dry connection, and the floor slab and the wall body are all prefabricated and hoisted, thereby simplifying the construction steps and improving the assembly efficiency.

The wall bodies adopted by the invention are all made of the same material, and the elastic modulus and other mechanical parameters are consistent, so that the integral structure can realize deformation coordination under the action of load.

The floor slab and the wallboard both adopt orthogonal glued bamboo boards, and adopt an orthogonal assembly blank gluing mode, so that the defect of anisotropy of original bamboo is overcome, the mechanical properties of two main shaft directions tend to be consistent, and the structural safety is ensured.

(4) The invention adopts a full-prestress splicing connection mode, realizes the self-adaptive characteristic of structural rigidity, namely, under the action of an earthquake, the self-rigidity of the structure is changed along with the opening and closing of the CLB wall, so that the self-vibration period is increased, the earthquake response is reduced, and the good earthquake resistance is realized.

Drawings

FIG. 1 is an overall schematic view of the present embodiment 1;

FIG. 2 is a schematic diagram of the CLB transverse wall of the embodiment 1;

FIG. 3 is a sectional view taken along line A-A of the present embodiment 1;

FIG. 4 is a schematic view of the CLB longitudinal wall of the embodiment 1;

FIG. 5 is a sectional view taken along line B-B of the present embodiment 1;

fig. 6 is a sectional view of a CLB floor slab of the present embodiment 1;

fig. 7 is a schematic view of the joint between the CLB wall and the CLB floor slab in the embodiment 1;

FIG. 8 is a schematic view of the joint of the CLB transverse wall and the CLB longitudinal wall in the embodiment 1;

FIG. 9 is a schematic diagram of the connection between the CLB wall and the foundation in the embodiment 1;

FIG. 10 is a schematic view of a corbel of this example 2;

fig. 11 is a schematic view of the joint between the CLB wall and the CLB floor in this embodiment 2.

Detailed Description

The present invention will be described in detail with reference to examples.

Example 1:

as shown in fig. 1 to 9, a fully prestressed assembled Cross-laminated bamboo (CLB) slab-wall building structure system includes a CLB transverse wall 1, a CLB longitudinal wall 2, a CLB floor slab 3, prestressed tendons 4, an anchor steel plate 5, a foundation 6, a supporting member 7, and a shear member 8. The support 7 is a support angle.

The CLB transverse wall body 1 comprises a recombined bamboo veneer a1-1, an adhesive layer a1-2 and a vertical prestressed tendon pore passage a 1-3. The CLB longitudinal wall 2 comprises a recombined bamboo veneer b2-1, an adhesive layer b2-2, a vertical prestressed tendon pore passage b2-3 and a longitudinal and transverse wall prestressed tendon pore passage 2-4, wherein the vertical prestressed tendon pore passage b2-3 and the longitudinal and transverse wall prestressed tendon pore passage 2-4 are arranged in the CLB longitudinal wall 2 in a staggered mode. The CLB floor slab 3 comprises a recombined bamboo veneer c3-1, a glue layer c3-2 and a floor slab prestressed tendon pore 3-3. The floor prestressed tendon pore channels 3-3 comprise two types, wherein one type is a transverse floor prestressed tendon pore channel which is arranged along the transverse direction of the CLB floor 3 in a through mode; the other type is a longitudinal floor prestressed tendon pore channel which is arranged along the longitudinal direction of the CLB floor 3 in a penetrating way, and the longitudinal floor prestressed tendon pore channel and the transverse floor prestressed tendon pore channel are required to be reasonably arranged in a staggered way in the CLB floor 3 in a layering way, so that the floor prestressed tendons 4-2 in two directions in the CLB floor are prevented from being contacted with each other. The prestressed tendons 4 comprise vertical prestressed tendons 4-1, floor slab prestressed tendons 4-2 and longitudinal and transverse wall connecting prestressed tendons 4-3. The anchoring steel plates 5 comprise vertical anchoring steel plates 5-1, floor slab anchoring steel plates 5-2 and longitudinal and transverse wall anchoring steel plates 5-3. The vertical prestressed tendons 4-1 are arranged in the vertical prestressed tendon hole channels a1-3 and the vertical prestressed tendon hole channels b2-3 and are anchored at the vertical anchoring steel plates 5-1 at the top of the wall body and the inside of the foundation 6 so as to connect the CLB transverse wall body 1, the CLB longitudinal wall body 2 and the foundation 6 into a whole. The supporting angle steel is fixed on the inner sides of a CLB transverse wall body 1 and a CLB longitudinal wall body 2, a CLB floor slab 3 is placed on the supporting angle steel, a floor slab prestressed tendon 4-2 is divided into two parts, wherein one part of the floor slab prestressed tendon 4-2 is arranged in a transverse floor slab prestressed tendon pore passage, the other part is arranged in a longitudinal floor slab prestressed tendon pore passage, the axial direction of the floor slab prestressed tendon 4-2 can be respectively vertical to the CLB transverse wall body 1 and the CLB longitudinal wall body 2, the floor slab prestressed tendon 4-2 arranged in the transverse floor slab prestressed tendon pore passage is anchored with a floor slab anchoring steel plate 5-2 at the outer side of the CLB longitudinal wall body 2 after penetrating through the CLB longitudinal wall body 2, the floor slab prestressed tendon 4-2 arranged in the longitudinal floor slab prestressed tendon pore passage is anchored with a floor slab anchoring steel plate 5-2 at the outer side of the CLB transverse wall body 1 after penetrating through the CLB transverse wall body 1, thereby connecting the CLB transverse wall body 1, the CLB longitudinal wall body 2 and the CLB floor slab 3 into a whole. The longitudinal and transverse wall prestressed tendons 4-3 are arranged inside longitudinal and transverse wall prestressed tendon pore channels 2-4 and anchored at longitudinal and transverse wall anchoring steel plates 5-3 on the outer side of the CLB transverse wall body 1 so as to connect the CLB transverse wall body 1 and the CLB longitudinal wall body 2. The shear pieces 8 are fixed at the bottoms of the CLB transverse wall body 1 and the CLB longitudinal wall body 2 and connected with the foundation 6 through embedded bolts, so that the shear and pull-resistant bearing capacity is provided.

The recombined bamboo veneer a1-1, the recombined bamboo veneer b2-1 and the recombined bamboo veneer c3-1 are all made of recombined bamboo specification materials made of moso bamboos, the recombined bamboo veneer a1-1 is orthogonally arranged and glued, assembled and cold-pressed by resorcinol to make the final CLB transverse wall 1; similarly, the recombined bamboo veneer b2-1 and the recombined bamboo veneer c3-1 are orthogonally arranged, glued, assembled and cold-pressed by resorcinol, and the final CLB longitudinal wall 2 and the CLB floor 3 are manufactured. The resorcinol correspondingly forms the adhesive layer a1-2, the adhesive layer b2-2 and the adhesive layer c 3-2.

The number of the layers of the recombined bamboo veneer a1-1, the recombined bamboo veneer b2-1 and the recombined bamboo veneer c3-1 in the CLB transverse wall 1, the CLB longitudinal wall 2 and the CLB floor 3 is an odd number, and the number of the layers is determined according to the actual bearing capacity requirement. The grain of the recombined bamboo veneer a1-1 at the outermost layer in the CLB transverse wall 1 and the grain of the recombined bamboo veneer b2-1 at the outermost layer in the CLB longitudinal wall 2 are vertical to the ground.

When the CLB transverse wall 1 and the CLB longitudinal wall 2 are used as building outer walls, additional structural layers such as a fireproof protective layer, a heat insulation layer, a waterproof layer, a sound insulation layer and the like are required to be arranged. The fireproof protective layer can be made of fireproof gypsum boards and is directly connected with the wall body base layer through wooden or metal keels through expansion bolts; the sound insulation layer and the heat insulation layer are arranged between the gypsum board surface layer and the wall body base layer, and mineral wool fiber filling can be adopted as a heat insulation material to form the heat insulation layer. And the wall body base layer is the full-length prefabricated orthogonal glued bamboo board structure obtained by cold press molding after the recombined bamboo veneers which are orthogonally arranged are glued by the glue solution resorcinol.

The vertical prestressed tendon duct b2-3 and the longitudinal and transverse wall prestressed tendon duct 2-4 need to be reasonably arranged in a staggered manner in a layered manner, the vertical prestressed tendon duct b2-3 is arranged in the center of the wall body, and the longitudinal and transverse wall prestressed tendon duct 2-4 is symmetrically arranged on two sides of the center of the wall body.

The arrangement density of the prestressed tendons 4 and the size of the prestress are determined according to the actual building bearing capacity, the construction requirement and the deformation capacity of each component, and the wall and the floor are prevented from being deformed excessively under the action of the prestress while the building function requirement is met.

The supporting angle steel, the CLB transverse wall body 1, the CLB longitudinal wall body 2 and the CLB floor slab 3 are connected through bolts, and the arrangement density of the supporting angle steel is calculated according to the actual bearing capacity requirement.

Besides the longitudinal and transverse wall prestressed tendons 4-3, the CLB transverse wall 1 and the CLB longitudinal wall 2 can be connected through the externally-wrapped angle steel 9 at a preset story height, and the CLB transverse wall 1 and the CLB longitudinal wall 2 are connected through the longitudinal and transverse wall prestressed tendons 4-3, so that the structural integrity is improved.

The invention also provides the fully prestressed assembled CLB plate-wall building structure system, which comprises the following steps:

when the foundation 6 is poured, the prestressed pipeline and the anchorage device are pre-buried. And then anchoring the vertical prestressed tendons 4-1 into the foundation and pouring concrete. After the foundation 6 is maintained to meet the bearing capacity requirement, the vertical prestressed tendons 4-1 penetrate through the CLB transverse wall 1 and the CLB longitudinal wall 2 and are hoisted to the specified positions, the vertical prestressed tendons 4-1 are tensioned to primarily fix the CLB transverse wall 1 and the CLB longitudinal wall 2, and the shear pieces 8 are arranged and connected with the CLB transverse wall 1, the CLB longitudinal wall 2 and the foundation 6. And then the supporting angle steel is installed at a specified height and fixed by bolts, then the CLB floor 3 is hoisted to the specified height and placed on the supporting angle steel, and the floor prestressed tendons 4-2 are tensioned. And then, penetrating the longitudinal and transverse wall prestressed tendons 4-3, tensioning and anchoring to connect the CLB transverse wall body 1 and the CLB longitudinal wall body 2. And finally, connecting the CLB transverse wall 1 and the CLB longitudinal wall 2 by using outer-coated angle steel 9.

Example 2:

this example is different from example 1 only in that the support member used is a steel bracket, and the rest is the same as example 1. As shown in fig. 10 and 11, the steel corbels are connected with the CLB transverse wall 1, the CLB longitudinal wall 2 and the CLB floor 3 through bolts, the steel corbels are fixed on the inner sides of the CLB transverse wall 1 and the CLB longitudinal wall 2, and the CLB floor 3 is placed on the steel corbels.