CN214941592U

CN214941592U - Bamboo wood-concrete compoboard that steel is connected

Info

Publication number: CN214941592U
Application number: CN202023279465.5U
Authority: CN
Inventors: 王立彬; 骆沁超; 丁祥; 赵珉; 张锋; 马浩
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-30
Anticipated expiration: 2030-12-30

Abstract

The utility model provides a bamboo wood-concrete compoboard that steel is connected, by last bamboo plank, lower bamboo plank, concrete, Z shaped steel, high strength bolt, indulge muscle, lacing wire, horizontal muscle and constitute jointly, go up bamboo plank and lower bamboo plank and pass through Z shaped steel and connect, the concrete is filled in and is gone up between bamboo plank and the lower bamboo plank, uses high strength bolt to connect between Z shaped steel and the bamboo plank. The sawteeth which are arranged on the Z-shaped steel and the bamboo board and can be mutually embedded effectively limit the relative sliding between the bamboo board and the Z-shaped steel. The utility model belongs to the civil engineering field has improved the not enough and big defect of dead weight of ordinary concrete member intensity, has good application prospect in fields such as light-duty bridge engineering and structural engineering.

Description

Bamboo wood-concrete compoboard that steel is connected

Technical Field

The utility model relates to a bamboo wood-concrete compoboard that steel is connected is applied to all kinds of bridge engineering, structural engineering, belongs to the civil engineering field.

Background

At present, the rapid development of the infrastructure of China, the damage to the environment caused by the traditional building materials represented by steel and concrete in the production and construction processes is widely concerned by people. Therefore, in the present of maintaining ecological civilization construction and sustainable development, in order to cope with this problem, a composite structure using bamboo wood and concrete as materials is becoming the mainstream. Compared with the traditional wood structure and concrete structure, the wood-concrete composite structure can effectively improve the rigidity, stability and the like of the structural member, and meanwhile, the structure has the advantages of light dead weight, good sound insulation, heat preservation and heat insulation performance and the like. In the bamboo-concrete combined structure, the bamboo boards can be used as templates for concrete pouring, so that the time for removing the templates and supporting the templates in the traditional concrete member pouring process is saved, and the working procedures are effectively saved.

In common bamboo-wood-concrete composite members, bolts are generally used as connectors for concrete and bamboo, for example, chinese patent CN210032083U discloses a steel-clad wood-concrete composite member, which reinforces a steel-clad, reduces corrosion loss of wood, and enhances rigidity of the wood-concrete composite member. But the concrete and the wood board are flexibly connected by simply using the bolt, and the shearing damage to the bolt connecting piece caused by the relative slippage between the wood board and the concrete is not considered.

In order to overcome the defects, the utility model provides a bamboo wood-concrete composite board that steel is connected, not only considered factors such as reinforcing bar corrosion, thermal-insulated, the deformation of keeping warm, still reduced the shearing destruction to bolted connection spare, increased integrated configuration's joint strength, improved the comprehensive properties of component.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bamboo wood-concrete compoboard that steel is connected, on satisfying structure bending resistance, shearing and overall stability's basis, improved ordinary concrete member intensity not enough and the big defect of dead weight, be applicable to all kinds of light-duty bridge engineering, structural engineering.

The technical scheme of the utility model:

a bamboo-wood-concrete composite board connected by steel comprises a bamboo-wood board, concrete, Z-shaped steel, high-strength bolts, longitudinal ribs, tie bars and horizontal ribs.

The bamboo-wood-concrete composite board connected by steel comprises an upper bamboo-wood board, a lower bamboo-wood board, concrete, Z-shaped steel, high-strength bolts, longitudinal ribs, tie bars and horizontal ribs; the upper bamboo wood board and the lower bamboo wood board are connected through Z-shaped steel, and concrete is filled between the upper bamboo wood board and the lower bamboo wood board; the high-strength bolt is connected with the upper bamboo wood plate, the lower bamboo wood plate and the Z-shaped steel; the concrete is internally provided with longitudinal bars, tie bars and horizontal bars which are bound well.

The bamboo-wood-concrete composite board connected by steel is characterized in that the upper bamboo board and the lower bamboo board are connected by Z-shaped steel arranged at equal intervals, and the contact surfaces of the Z-shaped steel and the upper bamboo board and the lower bamboo board are in zigzag shapes capable of being mutually embedded, so that the Z-shaped steel is embedded into the upper bamboo board and the lower bamboo board.

The bamboo-concrete composite board connected by the steel is characterized in that holes are drilled in the Z-shaped steel, the upper bamboo board and the lower bamboo board, the Z-shaped steel is connected with the upper bamboo board and the lower bamboo board through the inserted high-strength bolts, and the high-strength bolts are uniformly arranged along the length and the width of the board.

The bamboo-wood-concrete composite board connected by the steel is characterized in that the concrete is internally provided with longitudinal bars which are bound well, and tie bars and horizontal bars which are uniformly arranged along the length direction.

The bamboo-concrete composite board connected by the steel is characterized in that the concrete is poured between the upper bamboo board and the lower bamboo board, and the concrete grade is not lower than C30.

Has the advantages that: a bamboo wood-concrete compoboard that steel is connected, improved ordinary concrete structure intensity insufficient, the dead weight is big and defects such as heat preservation heat-proof quality is not good, simultaneously template when the bamboo plank can regard as concrete placement has avoided the formwork stripping process when the concrete is cast in situ. And the contact surface of the Z-shaped steel and the bamboo board is in a sawtooth shape, so that the Z-shaped steel is embedded into the bamboo board, the relative sliding of the bamboo board and the Z-shaped steel is effectively limited, and the shearing damage to the high-strength bolt connecting piece is avoided.

Description of the drawings:

FIG. 1 is a longitudinal sectional view of the composite board of the present invention;

FIG. 2 is a schematic cross-sectional view of the composite board A-A of the present invention;

FIG. 3 is a schematic cross-sectional view of a composite board B-B according to the present invention;

FIG. 4 is a schematic cross-sectional view of a composite board C-C according to the present invention;

fig. 5 is a schematic cross-sectional view of the composite board of the present invention.

Wherein: 1 is an upper bamboo wood board, 2 is a lower bamboo wood board, 3 is concrete, 4 is Z-shaped steel, 5 is a high-strength bolt, 6 is a longitudinal rib, 7 is a lacing wire, and 8 is a horizontal rib

The specific implementation mode is as follows:

in order to clearly understand the technical features, objects, and effects of the present invention, the embodiments of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1-5, the bamboo-concrete composite board connected by steel is composed of an upper bamboo-wood board 1, a lower bamboo-wood board 2, concrete 3, Z-shaped steel 4, high-strength bolts 5, longitudinal ribs 6, tie bars 7 and horizontal ribs 8, and is characterized in that the upper bamboo-wood board 1 and the lower bamboo-wood board 2 are connected by the Z-shaped steel 4, the concrete 3 is filled between the upper bamboo-wood board 1 and the lower bamboo-wood board 2, the high-strength bolts 5 connect the upper bamboo-wood board 1, the lower bamboo-wood board 2 and the Z-shaped steel 4, and the concrete 3 is provided with the bound longitudinal ribs 6, tie bars 7 and horizontal ribs 8.

The upper bamboo wood board 1 and the lower bamboo wood board 2 are connected through Z-shaped steel 4 which is arranged at equal intervals along the length direction, and the contact surfaces of the Z-shaped steel 4 and the upper bamboo wood board 1 and the lower bamboo wood board 2 are in a zigzag shape which can be mutually embedded, so that the Z-shaped steel 4 is embedded into the upper bamboo wood board 1 and the lower bamboo wood board 2, and the upper bamboo wood board 1, the lower bamboo wood board 2 and the Z-shaped steel 4 are limited to generate relative sliding.

Bolt holes are drilled in the Z-shaped steel 4 and the upper bamboo wood board 1 and the lower bamboo wood board 2 at equal intervals along the length and width directions of the boards, and the Z-shaped steel 4 is connected with the upper bamboo wood board 1 and the lower bamboo wood board 2 through high-strength bolts 5 inserted into the holes.

Two sides of the upper flange and the lower flange of the Z-shaped steel 4 are respectively provided with a longitudinal rib 6, and a lacing wire 7 and a horizontal rib 8 are uniformly arranged along the length direction of the plate at a certain interval.

The width of the Z-shaped steel 4 is smaller than that of the board, when the concrete 3 is poured, the concrete 3 can flow through the spaces on two sides of the Z-shaped steel 4 and be integrally filled between the upper bamboo wood board 1 and the lower bamboo wood board 2 to form a complete combined board with the upper bamboo wood board 1, the lower bamboo wood board 2 and the Z-shaped steel 4.

In the concrete implementation (as shown in fig. 1-5), an upper bamboo board 1, a lower bamboo board 2 and Z-shaped steel 4 are firstly processed, bolt holes are drilled in the upper bamboo board 1, the lower bamboo board 2 and the Z-shaped steel 4, high-strength bolts 5 are inserted into the holes to tightly connect the upper bamboo board 1, the lower bamboo board 2 and the Z-shaped steel 4 together, then longitudinal ribs 6, tie bars 7 and horizontal ribs 8 are bound or welded to form a reinforcement framework, and finally concrete 3 is poured by taking the upper bamboo board 1 and the lower bamboo board 2 as templates, so that the bamboo-concrete composite board connected by steel is completed.

Claims

1. The utility model provides a bamboo wood-concrete compoboard that steel is connected, a bamboo wood-concrete compoboard that steel is connected which characterized in that, a bamboo wood-concrete compoboard that steel is connected constitute by last bamboo plank (1), lower bamboo plank (2), concrete (3), Z shaped steel (4), high strength bolt (5), indulge muscle (6), lacing wire (7), horizontal muscle (8) jointly, go up bamboo plank (1), connect through Z shaped steel (4) between lower bamboo plank (2), concrete (3) are filled between last bamboo plank (1) and lower bamboo plank (2), high strength bolt (5) are connected bamboo plank (1), lower bamboo plank (2) and Z shaped steel (4), be equipped with the good muscle (6), lacing wire (7), horizontal muscle (8) of indulging in concrete (3).

2. A steel-bonded bamboo-wood-concrete composite slab as claimed in claim 1, wherein the upper bamboo-wood board (1) and the lower bamboo-wood board (2) are connected by the Z-shaped steel (4) disposed at equal intervals, and the contact surfaces of the Z-shaped steel (4) with the upper bamboo-wood board (1) and the lower bamboo-wood board (2) are zigzag-shaped so that the Z-shaped steel (4) is embedded in the upper bamboo-wood board (1) and the lower bamboo-wood board (2).

3. A steel-bonded bamboo-wood-concrete composite slab as claimed in claim 1, wherein holes are bored in the Z-section steel (4) and the upper and lower bamboo-wood boards (1, 2), the Z-section steel (4) is bonded to the upper and lower bamboo-wood boards (1, 2) by means of high-strength bolts (5) inserted, and the high-strength bolts (5) are uniformly arranged along the length and width of the slab.

4. A steel bonded bamboo-wood-concrete composite slab as claimed in claim 1, wherein the concrete (3) has bound longitudinal ribs (6) and tie bars (7) and horizontal ribs (8) uniformly arranged along the length direction.

5. A steel bonded bamboo-concrete composite board as claimed in claim 1, wherein concrete (3) is poured between the upper bamboo-wood board (1) and the lower bamboo-wood board (2), the concrete (3) grade being not lower than C30.