CN214034127U - Steel bamboo shock attenuation node - Google Patents
Steel bamboo shock attenuation node Download PDFInfo
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- CN214034127U CN214034127U CN202022649424.4U CN202022649424U CN214034127U CN 214034127 U CN214034127 U CN 214034127U CN 202022649424 U CN202022649424 U CN 202022649424U CN 214034127 U CN214034127 U CN 214034127U
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Abstract
The utility model relates to a steel bamboo shock attenuation node, including steel column (1), bamboo roof beam (2), sleeve (3), steel backing plate (4), nut (5), bolt (6), angle steel (7), elastic cushion (8), screw (9) and stiffening rib (10), its characterized in that bamboo roof beam (2) symmetrical arrangement is in steel column (1) both sides, insert in sleeve (3) bamboo roof beam (2) and pass through nut (5), angle steel (7) and screw (9) link to each other, stiffening rib (10) are located the middle part of angle steel (7), a limb of angle steel (7) passes through steel backing plate (4), nut (5) and bolt (6) link to each other with the side of steel column (1), another limb of angle steel (7) passes through nut (5) and bolt (6) and links to each other with sleeve (3), elastic cushion (8) are located between steel column (1) and sleeve (3). The utility model has the characteristics of bear the weight of the dynamic height and anti-seismic performance is good, can be applied to in the beam column connected node among the steel bamboo integrated configuration.
Description
Technical Field
The utility model belongs to the building structure field among the civil engineering, concretely relates to can satisfy can the shock attenuation in the building make up shock attenuation node component that uses function of steel bamboo.
Background
With the rapid development of the building industry in China, the problem of environmental pollution is becoming more and more serious. People continuously raise the attention of energy-saving, healthy and environment-friendly bamboo materials, introduce the replacement of bamboo building materials, meet the requirements of green and environment-friendly building materials to a great extent, and realize sustainable development. However, the strength and the bearing capacity of a single bamboo-wood structure are low, and the beam-column joint is easy to damage.
In the building construction and later use processes, the damage of beam-column joints is the most common phenomenon, and the stability and the bearing capacity of the beam-column joints determine the stress characteristic of the whole building. The design principle of strong node weak members is often emphasized in the design process of the building, and if the nodes are damaged, the whole house structure is easily unstable or damaged integrally. In an earthquake-prone area, under the action of a horizontal earthquake, the traditional wood structure beam-column joint is easily subjected to brittle failure. Therefore, the connection problem of the components of the beam-column nodes is needed to be solved, and the advantages of bamboo materials are better exerted in response to the call of national green buildings and the house transformation of the current villages and towns.
Based on the background, it is extremely necessary to design a steel bamboo shock attenuation node, can effectual improvement beam column connected node's bearing capacity, has certain shock attenuation energy dissipation's ability simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model provides a steel bamboo shock attenuation node, its purpose aims at effectual improvement steel bamboo combination building middle beam column connected node bearing capacity, has the ability of certain shock attenuation energy dissipation simultaneously.
The technical scheme of the utility model: the utility model provides a steel bamboo shock attenuation node, by the steel column, the bamboo roof beam, the sleeve, the steel backing plate, the nut, the bolt, the angle steel, the elastic cushion layer, screw and stiffening rib constitute, its characterized in that bamboo roof beam symmetric arrangement is in the steel column both sides, the bamboo roof beam interpolation is in the sleeve and through the nut, bolt and screw link to each other, the stiffening rib is located the middle part of angle steel, a limb of angle steel passes through the steel backing plate, nut and bolt link to each other with the side of steel column, another limb of angle steel passes through nut and bolt and links to each other with the sleeve, the elastic cushion layer is located between steel column and the sleeve.
The utility model discloses a theory of operation: the elastic cushion layer in the steel guard plate is directly arranged at the end part of the bamboo beam before the bamboo beam is installed, certain pressure can be applied to the elastic cushion layer when the bamboo beam is installed, and accordingly the elastic cushion layer can apply pre-pressure to the axis direction of the bamboo beam, so that the bamboo beam is more stable when being installed and rotated, meanwhile, part of the axial deformation of the bamboo beam can be offset when the bamboo beam is subjected to vertical load, and the elastic cushion layer is attached to the end part of the bamboo beam to deform. The elastic cushion layer is also suitable for offsetting a part of horizontal shearing force under the action of a horizontal earthquake, and plays an effective energy-consuming and shock-absorbing role on the structure, so that the beam-column joint is damaged.
The steel column, the sleeve, the steel base plate, the angle steel and the stiffening ribs are made of steel with yield strength not lower than 235 MPa.
The bamboo beam is made of bamboo laminated wood or recombined bamboo, and the water content is not higher than 12%.
The side length of the inner section of the sleeve is about 2mm larger than the section size of the bamboo beam, the length of the sleeve is not less than 200mm, the thickness of the sleeve is not less than 5mm, the section size of the elastic cushion layer is the same as the section size of the bamboo beam, and the thickness of the elastic cushion layer is not less than 40 mm.
The bamboo beam, the sleeves, the angle steel and the elastic cushion layer are symmetrically arranged on two sides of the steel column, and the elastic cushion layer is located between the steel column and the sleeves.
One limb of the angle steel is connected with the side face of the steel column through a steel base plate, a nut and a bolt, and the other limb of the angle steel is connected with the sleeve through the nut and the bolt.
The thickness of angle steel be no less than 10mm, the width be no less than 0.5 times of bamboo roof beam width, the stiffening rib is located the middle part of angle steel, the thickness of stiffening rib equals with the thickness of angle steel.
Circular counter bores are pre-drilled in corresponding positions of the side face of the steel column, the top face of the bamboo beam and the top face of the sleeve, the hole diameter is 1.0-1.5 mm larger than the diameter of the bolt, and the side face of the bamboo beam is connected with the side face of the sleeve through screws arranged at equal intervals.
The elastic cushion layer is formed by welding two steel plates through springs which are arranged at equal intervals.
The utility model has the advantages that: the utility model discloses a steel bamboo combination form, simple structure, defects such as the bearing load ability that can effectual improvement single bamboo wood beam column connected node is low and connected node fragility destroys have advantages such as the reuse of can regenerating, the quality is light, the construction of being convenient for simultaneously. Under the horizontal action force of an earthquake or when the structural deformation is larger, the elastic cushion layer fully ensures the stability of the connecting node, and has the functions of energy dissipation and shock absorption, the material of the utility model is environment-friendly, conforms to the sustainable development concept, and can improve the utilization rate of the material; the production efficiency is high, and the beam column node can be assembled on site; the composite material is light in weight and high in strength, combines two materials of steel and bamboo, and has better mechanical property; the durability is good; the reinforcing and maintaining method is wide in application and suitable for reinforcing and maintaining various steel-bamboo combined structure building nodes.
Description of the drawings:
the drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention.
FIG. 1 is a schematic view of the overall structure of the present invention
FIG. 2 is a detailed view of the local dislocation of the present invention
FIG. 3 is a detailed view of the elastic cushion layer of the present invention
In the figure: steel column (1), bamboo beam (2), sleeve (3), steel backing plate (4), nut (5), bolt (6), angle steel (7), elastic cushion layer (8), screw (9), stiffening rib (10)
In the figure, 801 is a steel plate, 802 is a compression spring
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings. As shown in fig. 1-3, the utility model provides a steel bamboo shock attenuation node, by the steel column, the bamboo roof beam, the sleeve, the steel backing plate, the nut, the bolt, the angle steel, the elastic cushion layer, screw and stiffening rib constitute, its characterized in that bamboo roof beam symmetric arrangement is in the steel column both sides, the interpolation of bamboo roof beam is in the sleeve and through the nut, bolt and screw link to each other, stiffening rib is located the middle part of angle steel, a limb of angle steel passes through the steel backing plate, the side of nut and bolt and steel column links to each other, another limb of angle steel passes through the nut and the bolt links to each other with the sleeve, the elastic cushion layer is located between steel column and the sleeve.
The strength grades of the steel column, the sleeve, the steel base plate, the angle steel and the stiffening rib are not lower than 235 MPa. The elastic cushion layer is formed by welding a pressure spring assembly in a built-in steel plate, the sectional dimension of the elastic cushion layer is the same as that of the bamboo beam, and the thickness of the elastic cushion layer is not less than 40 mm. The side length of the inner section of the sleeve is about 2mm larger than the section size of the bamboo beam, and the thickness of the sleeve is not less than 5 mm. The thickness of the steel backing plate is not less than 10mm, the thickness of the angle steel is not less than 10mm, the width of the angle steel is not less than 0.5 times of the width of the bamboo beam, the stiffening rib is located in the middle of the angle steel, and the thickness of the stiffening rib is equal to that of the angle steel. The bamboo beam is made of bamboo laminated wood or recombined bamboo, and has a water content of not higher than 12%.
When the steel-bamboo combined damping node is installed, the sizes of the sleeve, the steel base plate, the high-strength bolt, the angle steel and the stiffening rib are selected according to the bearing capacity and the size of the steel column and the bamboo beam, and the distance and the length of the self-tapping screws are controlled by the bearing capacity and the lateral stiffness of the node.
Example 1: the cross-sectional dimension of the selected bamboo beam is 250mm multiplied by 250mm, the selected bamboo laminated wood has the water content of not more than 12 percent, the cross-sectional dimension of the steel column is 300mm multiplied by 250mm multiplied by 10mm, the steel sleeve with the thickness of 250mm multiplied by 250mm is selected, the thickness is 6mm, the steel base plate with the thickness of 50mm multiplied by 150mm is selected, the thickness is 10mm, the dimension of the angle steel is 150mm multiplied by 130mm multiplied by 10mm, and the material grade is Q235 steel. An elastic cushion with the cross section size of 250mm multiplied by 250mm and the thickness of 50mm is selected. The diameter of the nut is 10mm, the length of the bolt is 350mm, the length of the screw is 30mm, and the distance between the bolts is 20 mm.
Claims (9)
1. The utility model provides a steel bamboo shock attenuation node, including steel column (1), bamboo roof beam (2), sleeve (3), steel backing plate (4), nut (5), bolt (6), angle steel (7), elastic cushion (8), screw (9) and stiffening rib (10), its characterized in that bamboo roof beam (2) symmetrical arrangement is in steel column (1) both sides, bamboo roof beam (2) are inserted in sleeve (3) and are passed through nut (5), angle steel (7) and screw (9) link to each other, stiffening rib (10) are located the middle part of angle steel (7), a limb of angle steel (7) passes through steel backing plate (4), nut (5) and bolt (6) link to each other with the side of steel column (1), another limb of angle steel (7) passes through nut (5) and bolt (6) and links to each other with sleeve (3), elastic cushion (8) are located between steel column (1) and sleeve (3).
2. A steel-bamboo shock absorption node according to claim 1, wherein the steel column (1), the sleeve (3), the steel backing plate (4), the angle steel (7) and the stiffening ribs (10) are made of steel with yield strength not lower than 235 MPa.
3. A steel bamboo shock absorption node according to claim 1, wherein the bamboo beams (2) are bamboo laminated wood or recombined bamboo, and the water content is not higher than 12%.
4. A steel and bamboo shock absorption joint according to claim 1, wherein the length of the inner section side of the sleeve (3) is about 2mm larger than the section size of the bamboo beam (2), the length of the sleeve (3) is not less than 200mm, the thickness of the sleeve is not less than 5mm, the section size of the elastic cushion layer (8) is the same as the section size of the bamboo beam (2), and the thickness of the elastic cushion layer is not less than 40 mm.
5. A steel-bamboo shock absorption node according to claim 1, wherein the bamboo beams (2), the sleeves (3), the angle steels (7) and the elastic cushion layers (8) are symmetrically arranged on two sides of the steel column (1), and the elastic cushion layers (8) are located between the steel column (1) and the sleeves (3).
6. A steel and bamboo shock absorption node according to claim 1, wherein one limb of the angle steel (7) is connected with the side surface of the steel column (1) through a steel backing plate (4), a nut (5) and a bolt (6), and the other limb of the angle steel (7) is connected with the sleeve (3) through the nut (5) and the bolt (6).
7. A steel and bamboo shock absorption node according to claim 1, wherein the thickness of the angle steel (7) is not less than 10mm, the width of the angle steel is not less than 0.5 times of the width of the bamboo beam (2), the stiffening rib (10) is located in the middle of the angle steel (7), and the thickness of the stiffening rib (10) is equal to the thickness of the angle steel (7).
8. A steel-bamboo shock absorption node according to claim 1, wherein circular counter bores are pre-drilled at corresponding positions of the side surface of the steel column (1), the top surface of the bamboo beam (2) and the top surface of the sleeve (3), the hole diameter is 1.0-1.5 mm larger than the diameter of the bolt (6), and the side surface of the bamboo beam (2) is connected with the side surface of the sleeve (3) through the bolts (9) which are arranged at equal intervals.
9. A steel and bamboo shock absorbing node according to claim 1, wherein said elastic cushion (8) is formed by welding two steel plates (801) through equally spaced compression springs (802).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022649424.4U CN214034127U (en) | 2020-11-09 | 2020-11-09 | Steel bamboo shock attenuation node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022649424.4U CN214034127U (en) | 2020-11-09 | 2020-11-09 | Steel bamboo shock attenuation node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214034127U true CN214034127U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022649424.4U Active CN214034127U (en) | 2020-11-09 | 2020-11-09 | Steel bamboo shock attenuation node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214034127U (en) |
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2020
- 2020-11-09 CN CN202022649424.4U patent/CN214034127U/en active Active
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