CN217537551U - Hollow sandwich concrete-filled steel tube-raw bamboo combined member - Google Patents
Hollow sandwich concrete-filled steel tube-raw bamboo combined member Download PDFInfo
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- CN217537551U CN217537551U CN202220528660.7U CN202220528660U CN217537551U CN 217537551 U CN217537551 U CN 217537551U CN 202220528660 U CN202220528660 U CN 202220528660U CN 217537551 U CN217537551 U CN 217537551U
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- steel pipe
- concrete
- raw bamboo
- bamboo
- outer steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 131
- 239000010959 steel Substances 0.000 title claims abstract description 131
- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 86
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 86
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 86
- 241001330002 Bambuseae Species 0.000 title claims abstract description 84
- 239000011425 bamboo Substances 0.000 title claims abstract description 84
- 239000004567 concrete Substances 0.000 title claims abstract description 47
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000002131 composite material Substances 0.000 claims abstract description 4
- 238000005336 cracking Methods 0.000 claims description 4
- 239000011376 self-consolidating concrete Substances 0.000 claims description 4
- 241000209128 Bambusa Species 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 8
- 239000004566 building material Substances 0.000 abstract description 7
- 239000011229 interlayer Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The utility model provides a cavity intermediate layer steel pipe concrete-former bamboo composite member, including interior steel pipe and outer steel pipe, be equipped with former bamboo between interior steel pipe and the outer steel pipe, it has the concrete to fill in the clearance between former bamboo and interior steel pipe, the outer steel pipe. The raw bamboo material is added between the inner steel pipe and the outer steel pipe, the raw bamboo is combined with the hollow sandwich steel pipe concrete member, concrete is filled in gaps among the raw bamboo, the inner steel pipe and the outer steel pipe, and the raw bamboo and the concrete are stressed together to delay the local buckling of the inner steel pipe and the outer steel pipe. The combined member utilizes the advantages of good tensile and compressive properties, high strength and the like of the raw bamboo, adopts the raw bamboo to replace part of concrete between the inner steel pipe and the outer steel pipe, meets the bearing capacity of the whole member, reduces the consumption of concrete materials in the hollow interlayer concrete member, fully utilizes the advantages of the raw bamboo materials, reduces carbon emission, and promotes the further application of green building materials.
Description
Technical Field
The utility model belongs to the technical field of civil engineering building structure, concretely relates to cavity intermediate layer steel pipe concrete-former bamboo composite member.
Background
In recent years, sustainable development requires a green and low-carbon sustainable development vision in the future civil engineering field. The development of green buildings and green building materials is a necessary requirement for green, economic and low-carbon transformation of China, and the development process is further accelerated by the carbon neutralization target in 2030 and 2060. Therefore, the green building and building material industry mainly based on the renewable raw bamboo material has great development potential.
China is a big country with raw bamboo resources, the raw bamboo material has the reproducibility and carbon fixation capability stronger than wood, is an environment-friendly green reproducible forestry resource, has the advantages of short growth cycle, better tensile strength and pressure intensity, has good processability and earthquake resistance, and is an engineering material with great development prospect.
The hollow sandwich steel pipe concrete member has wide application in the field of structures, and the sandwich concrete and the inner and outer steel pipes interact with each other, so that the hollow sandwich steel pipe concrete member has good bearing capacity and stability. With the popularization of the concept of sustainable development, people pay special attention to carbon emission from the building industry, particularly, the demand of materials such as cement, steel and the like is increased day by day, the carbon emission of concrete and steel used in hollow sandwich steel tube concrete is high, and the concept of sustainable development is not met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cavity intermediate layer steel pipe concrete-former bamboo composite member overcomes the above-mentioned technical problem that exists among the prior art.
Therefore, the utility model provides a technical scheme as follows:
a hollow sandwich steel pipe concrete-raw bamboo combined component comprises an inner steel pipe and an outer steel pipe, raw bamboo is arranged between the inner steel pipe and the outer steel pipe, and concrete is filled in gaps among the raw bamboo, the inner steel pipe and the outer steel pipe.
The raw bamboo is a green renewable bamboo material subjected to waterproof, anticorrosion and anti-cracking treatment.
The section of the raw bamboo is circular, and the raw bamboo is parallel to the axis of the inner steel pipe and the axis of the outer steel pipe along the length direction.
The cross-sectional shapes of the inner steel pipe and the outer steel pipe are arbitrary.
The sections of the inner steel pipe and the outer steel pipe are circular, rectangular or regular polygonal.
The concrete is self-compacting concrete.
The length of the raw bamboo is equal to that of the inner steel pipe and that of the outer steel pipe.
The utility model has the advantages that:
the utility model provides a this kind of cavity intermediate layer steel pipe concrete-former bamboo combination component through including add former bamboo material between steel pipe and the outer steel pipe, combines former bamboo and cavity intermediate layer steel pipe concrete component, fills the concrete in the clearance between former bamboo and interior steel pipe, outer steel pipe, and former bamboo and the common atress of concrete delay the local buckling of inside and outside steel pipe.
The hollow sandwich concrete-raw bamboo combined member utilizes the advantages of good tensile and compressive properties, high strength and the like of raw bamboo, adopts the raw bamboo to replace partial concrete between the inner steel pipe and the outer steel pipe, meets the bearing capacity of the whole member, reduces the consumption of concrete materials in the hollow sandwich concrete member, fully utilizes the advantages of the raw bamboo materials, and reduces carbon emission, thereby promoting the further application of green building materials.
The following will be described in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of the present invention;
fig. 2 is a schematic structural view of a second embodiment of the present invention.
In the figure: 1. an inner steel tube; 2. concrete; 3. an outer steel pipe; 4. and (5) raw bamboo.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, which, however, may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings are not intended to limit the present invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
Example 1:
the embodiment provides a hollow sandwich steel pipe concrete-raw bamboo combined member, which comprises an inner steel pipe 1 and an outer steel pipe 3, wherein raw bamboo 4 is arranged between the inner steel pipe 1 and the outer steel pipe 3, and concrete 2 is filled in a gap between the raw bamboo 4 and the inner steel pipe 1 as well as the gap between the raw bamboo 4 and the outer steel pipe 3.
The utility model discloses set up former bamboo 4 between interior steel pipe 1 and the outer steel pipe 3, former bamboo 4 has intensity height, a great deal of advantage such as tensile, compressive property are better as a green renewable resource in the aspect of the physical mechanics characteristic. Therefore, the raw bamboo 4 is combined with the hollow sandwich layer steel pipe concrete 2 member, the raw bamboo 4 is used for replacing partial sandwich layer concrete 2 material, the raw bamboo 4 and the concrete 2 inside are restrained by the inner steel pipe 1 and the outer steel pipe 3, the compression resistance of the raw bamboo 4 and the concrete 2 is improved, the raw bamboo 4 and the concrete 2 are stressed together, and the local buckling of the inner steel pipe 3 and the outer steel pipe 3 is delayed.
Example 2:
on the basis of embodiment 1, the embodiment provides a hollow sandwich concrete-filled steel tube-raw bamboo combined member, and the raw bamboo 4 is a green renewable bamboo material subjected to waterproof, anticorrosion and anti-cracking treatment.
The raw bamboo 4 material has light weight, good toughness and high strength, is a high-quality natural fast-growing building material, and is an ecological environment-friendly green building material. The reasonable utilization of the raw bamboo 4 material can accelerate the transformation of the building material to green low carbon, and the green low carbon sustainability can be comprehensively realized in the field of civil structural engineering. The service life of the original bamboo 4 can be prolonged after waterproof, anticorrosion and anti-cracking treatment, the original bamboo 4 replaces part of the concrete 2, the weight of the member can be reduced, and the member has wider engineering application in public buildings, bridges, pole towers and other aspects.
Example 3:
on the basis of embodiment 1, the present embodiment provides a hollow sandwich steel pipe concrete-raw bamboo combined member, the cross section of the raw bamboo 4 is circular, and the raw bamboo 4 is parallel to the longitudinal axes of the inner steel pipe 1 and the outer steel pipe 3.
The section of the raw bamboo 4 is round, and the bending resistance is strong; the original bamboo 4 is parallel to the inner steel tube 1 and the outer steel tube 3 along the axial line of the length direction, the inner steel tube 1 and the outer steel tube 3 restrain the original bamboo 4 and the concrete 2 inside, and the compression resistance of the original bamboo 4 and the concrete 2 is effectively improved.
Example 4:
on the basis of embodiment 1, this embodiment provides a hollow sandwich steel pipe concrete-raw bamboo combined member, and the cross-sectional shapes of the inner steel pipe 1 and the outer steel pipe 3 are arbitrary.
The shapes of the inner steel tube 1 and the outer steel tube 3 are not specially required, and the filling material (wood and the like) in the inner steel tube 1 has little contribution to the improvement of the bearing capacity of the whole member, so that the hollow inner steel tube 1 does not need to be filled with any material. The inner steel tube 1 and the outer steel tube 3 are laterally supported by the concrete 2 and the raw bamboo 4, so that the damage of the inner steel tube 1 and the outer steel tube 3 is delayed, and the buckling damage probability of the inner steel tube 1 and the outer steel tube 3 is reduced.
Example 5:
on the basis of embodiment 1, the present embodiment provides a hollow sandwich steel pipe concrete-raw bamboo combined member, and the cross sections of the inner steel pipe 1 and the outer steel pipe 3 are circular, rectangular or regular polygonal.
As shown in fig. 1, the sections of the inner steel tube 1 and the outer steel tube 3 are both circular, the raw bamboo 4 is fixed between the inner steel tube 1 and the outer steel tube 3, and the concrete 2 is densely filled in the gaps among the inner steel tube 1, the outer steel tube 3 and the raw bamboo 4 to form a steel tube concrete-raw bamboo combined member with a circular hollow sandwich steel tube section; as shown in fig. 2, the cross-sections of the inner steel tube 1 and the outer steel tube 3 are both circular, the raw bamboo 4 is fixed between the inner steel tube 1 and the outer steel tube 3, and the concrete 2 is densely filled in the gap formed by the inner steel tube 1, the outer steel tube 3 and the raw bamboo 4, so as to form a steel tube concrete-raw bamboo combined member with a square cross-section of the hollow sandwich steel tube.
Example 6:
on the basis of the embodiment 1, the embodiment provides a hollow sandwich concrete-filled steel tube-raw bamboo combined member, and the concrete 2 is self-compacting concrete. The length of the raw bamboo 4 is equal to that of the inner steel pipe 1 and the outer steel pipe 3.
The concrete 2 is self-compacting concrete, has better fluidity and homogeneity, is convenient for pouring and construction of the member, has higher construction quality, and further ensures the strength performance of the novel steel pipe concrete-raw bamboo combined member.
The above illustration is merely an illustration of the present invention, and does not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides a cavity intermediate layer steel pipe concrete-former bamboo composite member, includes interior steel pipe and outer steel pipe, its characterized in that: and raw bamboos are arranged between the inner steel tubes and the outer steel tubes, and concrete is filled in gaps among the raw bamboos, the inner steel tubes and the outer steel tubes.
2. The hollow sandwich concrete-filled steel tube-raw bamboo combined member as claimed in claim 1, wherein: the raw bamboo is a green renewable bamboo material subjected to waterproof, anticorrosion and anti-cracking treatment.
3. The hollow sandwich concrete-filled steel tube-raw bamboo combined member as claimed in claim 1, wherein: the cross section of the raw bamboo is circular, and the raw bamboo is parallel to the inner steel pipe and the outer steel pipe along the axial line of the length direction.
4. The hollow sandwich concrete-filled steel tube-raw bamboo combined member as claimed in claim 1, wherein: the cross-sectional shapes of the inner steel pipe and the outer steel pipe are arbitrary.
5. The hollow sandwich concrete-filled steel tube-raw bamboo combined member as claimed in claim 1, wherein: the sections of the inner steel pipe and the outer steel pipe are circular, rectangular or regular polygonal.
6. The hollow sandwich concrete-filled steel tube-raw bamboo combined member as claimed in claim 1, wherein: the concrete is self-compacting concrete.
7. The hollow sandwich concrete-filled steel tube-raw bamboo combined member as claimed in claim 1, wherein: the original bamboo has the same length with the inner steel pipe and the outer steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220528660.7U CN217537551U (en) | 2022-03-11 | 2022-03-11 | Hollow sandwich concrete-filled steel tube-raw bamboo combined member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220528660.7U CN217537551U (en) | 2022-03-11 | 2022-03-11 | Hollow sandwich concrete-filled steel tube-raw bamboo combined member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217537551U true CN217537551U (en) | 2022-10-04 |
Family
ID=83428398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220528660.7U Expired - Fee Related CN217537551U (en) | 2022-03-11 | 2022-03-11 | Hollow sandwich concrete-filled steel tube-raw bamboo combined member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217537551U (en) |
-
2022
- 2022-03-11 CN CN202220528660.7U patent/CN217537551U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221004 |