CN217054035U - GFRP pipe-sawtooth type stiffening rib steel pipe-high-strength concrete combined member - Google Patents
GFRP pipe-sawtooth type stiffening rib steel pipe-high-strength concrete combined member Download PDFInfo
- Publication number
- CN217054035U CN217054035U CN202220883753.1U CN202220883753U CN217054035U CN 217054035 U CN217054035 U CN 217054035U CN 202220883753 U CN202220883753 U CN 202220883753U CN 217054035 U CN217054035 U CN 217054035U
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- steel pipe
- pipe
- gfrp
- stiffening rib
- strength concrete
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 68
- 239000010959 steel Substances 0.000 title claims abstract description 68
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 title claims abstract description 45
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 title claims abstract description 45
- 239000011372 high-strength concrete Substances 0.000 title claims abstract description 35
- 238000003466 welding Methods 0.000 claims abstract description 5
- 239000002131 composite material Substances 0.000 claims description 7
- 239000003351 stiffener Substances 0.000 claims 2
- 238000005452 bending Methods 0.000 abstract description 2
- 238000010008 shearing Methods 0.000 abstract description 2
- 239000004567 concrete Substances 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a GFRP pipe-sawtooth pattern stiffening rib steel pipe-high strength concrete combined member, including steel pipe, high strength concrete, GFRP pipe and sawtooth pattern stiffening rib, the steel pipe setting is intraductal at GFRP, and the coincidence of steel pipe and GFRP pipe centre of a circle pours high strength concrete between the steel pipe outside and the GFRP pipe, and steel pipe outer wall welding sawtooth pattern stiffening rib, the utility model discloses with steel pipe, high strength concrete, GFRP pipe and sawtooth pattern stiffening rib combination, sawtooth pattern stiffening rib embedding has postponed the inside local bucking of steel pipe in the high strength concrete core, has strengthened the shearing adhesion and the interact of steel pipe-high strength concrete interface department, has improved the bending resistance bearing capacity of combined member cross section, has improved the anti-seismic performance of combined member.
Description
Technical Field
The utility model relates to a building structure field, concretely relates to GFRP pipe-sawtooth pattern stiffening rib steel pipe-high-strength concrete combined member.
Background
At present, a combined structure is generally used in a building structure, a steel pipe-concrete combined structure is a novel structure developed on the basis of a steel structure and a reinforced concrete structure, and the steel pipe concrete becomes a hotspot of research and application because the performance of steel and concrete can be simultaneously improved and construction is convenient. However, the common steel pipe concrete composite structure has the following defects: low bearing capacity, poor durability, larger structure dead weight, easy cracking and falling of concrete and the like.
GFRP has the advantages of light weight, high strength, fatigue resistance and corrosion resistance, and high-strength concrete is widely applied to high-rise building structures, long-span bridge structures and certain special structures by taking the advantages of high compressive strength, high deformation resistance, high density and low porosity of the high-strength concrete as a new building material. The combination of the performance advantages of the GFRP pipe, the sawtooth-shaped stiffening rib steel pipe and the high-strength concrete, and the improvement on the structure enables the combination of the GFRP pipe, the sawtooth-shaped stiffening rib steel pipe and the high-strength concrete to have better stress performance, improves the shock resistance of a combined member, and has great research value in the field of later building structures.
Therefore, it is necessary to provide a GFRP pipe-sawtooth stiffening rib steel pipe-high-strength concrete combined member with high bearing capacity and good earthquake resistance.
Disclosure of Invention
In order to solve the current steel pipe-concrete composite member atress performance relatively poor, the durability relatively poor, can only use at ordinary building structure scheduling problem, for the convenience the reinforcing bar of composite member and roof beam, board is connected, guarantees the smooth of work progress, the utility model provides a GFRP pipe-sawtooth pattern stiffening rib steel pipe-high strength concrete composite member. In order to achieve the technical purpose, the technical effect is achieved.
The utility model discloses a following technical scheme experiment:
the utility model provides a GFRP pipe-sawtooth pattern stiffening rib steel pipe-high strength concrete combined member, a serial communication port, including steel pipe, high strength concrete, GFRP pipe and sawtooth pattern stiffening rib, the steel pipe sets up intraductally at GFRP, and the cross section of steel pipe and GFRP pipe is circular, and the steel pipe coincides with GFRP pipe centre of a circle, pours high strength concrete between the steel pipe outside and GFRP pipe, steel pipe outer wall welding sawtooth pattern stiffening rib.
Preferably, the maximum width of the sawtooth type stiffening rib is 40 mm, the minimum width of the sawtooth type stiffening rib is 20mm, and the distance between the adjacent maximum width position and the adjacent minimum width position of the sawtooth type stiffening rib is 20 mm.
Preferably, four sawtooth type stiffening ribs are uniformly arranged outside the steel pipe, and the heights of the four sawtooth type stiffening ribs and the four sawtooth type stiffening ribs are both 500 mm.
Preferably, the outer diameter of the steel pipe is 108mm, and the wall thickness is 2 mm; the outer diameter of the GFRP tube is 208mm, and the wall thickness is 4 mm; the thickness of the sawtooth-shaped stiffening rib is 2 mm.
Preferably, the steel tube is hollow inside.
The beneficial effects of the utility model are that (1) the utility model discloses at steel pipe outer wall welding sawtooth pattern stiffening rib, effectively strengthen the shearing adhesion and the interact of steel pipe-high-strength concrete interface department for the inside local buckling of steel pipe delays among the combined member. (2) The utility model discloses wrap up the high-strength concrete with GFRP pipe and sawtooth pattern stiffening rib steel pipe, effectively reduce the area of the contact of high-strength concrete and air, improve the corrosion resistance of built-up member. (3) The utility model discloses with the combination of high-strength concrete and sawtooth pattern stiffening rib steel pipe and GFRP pipe, can strengthen the bearing capacity and the anti performance of rolling over of built-up member, effectively improved the cross section bending resistance bearing capacity of built-up member to help improving the anti-seismic performance of built-up member. (4) The utility model discloses the steel pipe is inside to be hollow, has alleviateed the dead weight of built-up member.
Drawings
FIG. 1 is a schematic view of the overall structure of the components of the present invention;
FIG. 2 is a schematic cross-sectional view of a component of the present invention;
FIG. 3 is a schematic longitudinal cross-sectional view of a component of the present invention;
FIG. 4 is a detailed view of the sawtooth-shaped stiffening rib of the present invention.
Reference numerals
1. Steel pipe, 2 high-strength concrete, 3 GFRP pipe, 4 sawtooth type stiffening rib.
Detailed Description
The GFRP pipe-sawtooth-type stiffening rib steel pipe-high-strength concrete combined member is characterized by comprising a steel pipe 1, high-strength concrete 2, GFRP pipes 3 and sawtooth-type stiffening ribs 4, wherein the steel pipe 1 is arranged in the GFRP pipes 3, the cross sections of the steel pipe 1 and the GFRP pipes 3 are circular, the centers of circles of the steel pipe 1 and the GFRP pipes 3 coincide, the high-strength concrete 2 is poured between the outer portion of the steel pipe 1 and the GFRP pipes 3, and the sawtooth-type stiffening ribs 4 are welded to the outer wall of the steel pipe 1.
Preferably, the maximum width of the sawtooth type stiffening rib 4 is 40 mm, the minimum width is 20mm, and the distance between the adjacent maximum width and the adjacent minimum width of the sawtooth type stiffening rib 4 is 20 mm.
Preferably, four sawtooth-shaped stiffening ribs 4 are uniformly arranged outside the steel pipe 1, and the heights of the four sawtooth-shaped stiffening ribs and the four sawtooth-shaped stiffening ribs are both 500 mm.
Preferably, the outer diameter of the steel pipe 1 is 108mm, and the wall thickness is 2 mm; the outer diameter of the GFRP pipe 3 is 208mm, and the wall thickness is 4 mm; the thickness of the sawtooth-shaped stiffening ribs 4 is 2 mm.
Preferably, the steel pipe 1 is hollow inside.
The manufacturing method of the utility model is as follows:
the method comprises the following steps: manufacturing sawtooth type stiffening ribs 4, and uniformly welding the sawtooth type stiffening ribs on the outer wall of the steel pipe 1 to form a sawtooth type stiffening rib steel pipe;
step two: concentrically fixing the GFRP pipe 3 and the sawtooth-shaped stiffening rib steel pipe;
step three: pouring high-strength concrete 2 between the GFRP pipe 3 and the sawtooth-shaped stiffening rib steel pipe;
step four: and maintaining the GFRP pipe, the sawtooth-shaped stiffening rib steel pipe and the high-strength concrete combined member.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a GFRP pipe-sawtooth pattern stiffening rib steel pipe-high strength concrete combination component, its characterized in that, includes steel pipe (1), high strength concrete (2), GFRP pipe (3) and sawtooth pattern stiffening rib (4), steel pipe (1) sets up in GFRP pipe (3), the cross section of steel pipe (1) and GFRP pipe (3) is circular, coincide with GFRP pipe (3) centre of a circle in steel pipe (1), pour high strength concrete (2) between steel pipe (1) outside and GFRP pipe (3), steel pipe (1) outer wall welding sawtooth pattern stiffening rib (4).
2. A GFRP pipe-zigzag stiffening rib steel pipe-high strength concrete composite member as claimed in claim 1, wherein the maximum width of the zigzag stiffening rib (4) is 40 mm, the minimum width is 20mm, and the interval between the maximum width and the minimum width of the zigzag stiffening rib (4) is 20 mm.
3. The GFRP pipe-sawtooth type stiffening rib steel pipe-high-strength concrete combined member as claimed in claim 1, wherein four sawtooth type stiffening ribs (4) are uniformly arranged outside the steel pipe (1), and the height of the four sawtooth type stiffening ribs is 500 mm.
4. A GFRP pipe-zigzag stiffener steel pipe-high-strength concrete composite structural member as claimed in claim 1, wherein the steel pipe (1) has an outer diameter of 108mm and a wall thickness of 2 mm; the outer diameter of the GFRP pipe (3) is 208mm, and the wall thickness is 4 mm; the thickness of the sawtooth-shaped stiffening rib (4) is 2 mm.
5. A GFRP pipe-zigzag stiffener steel pipe-high strength concrete composite structural member according to claim 1, characterized in that the steel pipe (1) is hollow inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220883753.1U CN217054035U (en) | 2022-04-18 | 2022-04-18 | GFRP pipe-sawtooth type stiffening rib steel pipe-high-strength concrete combined member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220883753.1U CN217054035U (en) | 2022-04-18 | 2022-04-18 | GFRP pipe-sawtooth type stiffening rib steel pipe-high-strength concrete combined member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217054035U true CN217054035U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220883753.1U Expired - Fee Related CN217054035U (en) | 2022-04-18 | 2022-04-18 | GFRP pipe-sawtooth type stiffening rib steel pipe-high-strength concrete combined member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217054035U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115928895A (en) * | 2022-11-29 | 2023-04-07 | 宁夏大学 | GFRP pipe-concrete-steel beam combined node and construction method thereof |
| CN115928895B (en) * | 2022-11-29 | 2024-10-22 | 宁夏大学 | GFRP tube-concrete-steel beam combined node and construction method thereof |
-
2022
- 2022-04-18 CN CN202220883753.1U patent/CN217054035U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115928895A (en) * | 2022-11-29 | 2023-04-07 | 宁夏大学 | GFRP pipe-concrete-steel beam combined node and construction method thereof |
| CN115928895B (en) * | 2022-11-29 | 2024-10-22 | 宁夏大学 | GFRP tube-concrete-steel beam combined node and construction method thereof |
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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 |
Granted publication date: 20220726 |
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| CF01 | Termination of patent right due to non-payment of annual fee |