CN212247837U - Corner reinforced type double-steel-plate combined hollow pier - Google Patents
Corner reinforced type double-steel-plate combined hollow pier Download PDFInfo
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- CN212247837U CN212247837U CN201921870992.8U CN201921870992U CN212247837U CN 212247837 U CN212247837 U CN 212247837U CN 201921870992 U CN201921870992 U CN 201921870992U CN 212247837 U CN212247837 U CN 212247837U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 114
- 239000010959 steel Substances 0.000 claims abstract description 114
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- 239000004567 concrete Substances 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 15
- 239000011150 reinforced concrete Substances 0.000 description 9
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910000870 Weathering steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model relates to a corner reinforced double-steel-plate combined hollow pier and a construction method thereof, wherein the hollow pier comprises round steel tubes, double-layer steel plates, transverse steel partition plates and a pier bottom reinforcing plate, and is characterized in that the round steel tubes comprise four round steel tubes which are positioned at corners and are respectively arranged along the bridge direction and the transverse bridge direction of a bridge, and the double-layer steel plates are respectively welded between two adjacent round steel tubes; four round steel tubes and adjacent double-layer steel plates thereof are fixedly connected to form a corner reinforced double-steel-plate hollow sleeve; concrete is poured inside the round steel pipe and the double-layer steel plate. The double-layer steel plate is connected with the two adjacent round steel pipes through fillet welds. The utility model discloses a pier has great rigidity, intensity and anti-seismic performance, and is convenient for be under construction, economic nature is strong.
Description
Technical Field
The utility model relates to a bridge engineering field specifically indicates a bight strenghthened type double steel plate combination hollow pier and construction method thereof.
Background
With the development of social economy in China, the traffic industry is driven to develop rapidly, and a large number of roads, railways, bridges and the like are put into construction and use. The pier is used as an important bearing force transmission component in a bridge lower structure and has higher requirements on the bearing capacity, rigidity and seismic performance. Traditional pier adopts reinforced concrete pier, and reinforced concrete pier masonry amount is big, and the appearance is thick heavy, has increased the ground load, especially is unfavorable when the pier is higher, and the ground bearing capacity is lower especially.
In areas with complex terrain and high navigation requirements, such as oceans, mountainous areas, reservoirs and the like, the application requirements of the high bridge piers are more and more extensive. For high bridge piers, the main bridge pier forms at present are as follows: reinforced concrete hollow piers, reinforced concrete hollow thin-wall piers, reinforced concrete hollow and double-wall combined piers, and reinforced concrete-filled steel tube lattice piers which are gradually adopted in recent years. When the height of the pier is larger, the three types of pier columns made of reinforced concrete have the defects of high technical requirement, complex construction and high manufacturing cost; although the steel pipe concrete lattice pier is applied to some bridge engineering due to the advantages of convenient construction and strong economy, the steel pipe concrete lattice pier is weak in rigidity, and has high flexibility and cannot meet the deformation requirement when being used as a bridge high pier. Therefore, in engineering practice, a high pier form which has high rigidity, strength and seismic performance, is convenient to construct and has high economical efficiency needs to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a hollow pier is made up to two steel sheet combinations of bight strenghthened type that construction facility, economic nature are strong is provided and construction method thereof, and this pier has great rigidity, intensity, and anti-seismic performance is good, is suitable for the high mound of bridge. In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a corner reinforced type double-steel-plate combined hollow pier comprises round steel tubes, double-layer steel plates, transverse steel partition plates and pier bottom reinforcing plates, and is characterized in that the round steel tubes comprise four round steel tubes which are positioned at corners and are respectively arranged along the forward bridge direction and the transverse bridge direction of a bridge, and the double-layer steel plates are respectively welded between every two adjacent round steel tubes; four round steel tubes and adjacent double-layer steel plates thereof are fixedly connected to form a corner reinforced double-steel-plate hollow sleeve; concrete is poured inside the round steel pipe and the double-layer steel plate.
Preferably, the double-layer steel plate is connected with the two adjacent round steel tubes through fillet welds.
The transverse steel partition plates are horizontally arranged along the inner wall of the corner reinforced double-steel-plate hollow sleeve at longitudinal intervals and are welded with the round steel tubes and the double-layer steel plates on the inner wall.
The pier bottom reinforcing plate is arranged along the circumferential interval of the pier bottom inner wall of the corner reinforced double-steel-plate hollow sleeve and is respectively connected with the circular steel tube and the double-steel-plate in a welded mode.
The round steel pipe is subjected to slope releasing along the bridge direction at a ratio of 50-100: 1.
Compared with the prior art, the utility model has the advantages of as follows:
compared with the existing reinforced concrete pier, the corner reinforced double-steel-plate combined hollow pier has the advantages of high bearing capacity, high rigidity, convenience and quickness in construction, good economical efficiency, light dead weight and low requirement on the bearing capacity of the foundation; the corner reinforced double-steel-plate combined hollow pier is adopted for piers in high-intensity areas, so that the seismic resistance of the pier can be enhanced.
And secondly, the utility model discloses a bight strenghthened type double steel plate makes up hollow pier's circular steel tube, double-deck steel sheet can hold concurrently the atress and do the template, need not demolish the mould, only need hoist and mount the hollow steel cylinder that circular steel tube and double-deck steel sheet welding formed during the construction, and it is low to the construction hoist and mount requirement.
Third, the utility model discloses an inside horizontal steel separator that sets up of hollow pier of two steel sheet combination of bight strenghthened type sets up the reinforcing plate at the bottom of the pier, has strengthened the fastness of pier, satisfies rigidity, bearing capacity demand to the bridge.
Drawings
FIG. 1 is a front view of a corner reinforced double-steel-plate combined hollow pier;
FIG. 2 is a right side view of the corner reinforced double-steel-plate combined hollow pier;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 2;
FIG. 6 is a schematic structural diagram of a transverse steel partition plate in a corner reinforced double-steel-plate combined hollow pier;
FIG. 7 is a schematic structural view of a pier bottom reinforcing plate in a corner reinforced double-steel-plate combined hollow pier;
FIG. 8 is a schematic structural diagram of a corner reinforced double-steel-plate hollow sleeve in a corner reinforced double-steel-plate combined hollow pier;
fig. 9 is a schematic structural view of a corner reinforced double-steel-plate combined hollow pier;
in the figure: the pier comprises 1-round steel tubes, 2-double-layer steel plates, 3-concrete, 4-transverse steel partition plates, 5-pier bottom reinforcing plates, 6-main beams, 7-bearing platforms, 8-corner reinforced double-steel-plate hollow sleeves and 9-corner reinforced double-steel-plate combined hollow piers.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1 to 9, the corner reinforced type double-steel-plate combined hollow pier of the present embodiment includes a circular steel tube 1, a double-steel plate 2, a transverse steel partition plate 4 and a pier bottom reinforcing plate 5; the four circular steel tubes 1 are arranged at intervals along the bridge direction and the transverse bridge direction of the bridge respectively, and double-layer steel plates 2 are welded between every two adjacent circular steel tubes respectively; four round steel tubes 1 positioned at the corner and the adjacent double-layer steel plates 2 are welded to form a corner reinforced double-steel-plate hollow sleeve 8; concrete 3 is poured into the round steel pipe 1 and the double-layer steel plate 2 to form a corner reinforced double-steel pipe combined hollow pier 9; the round steel pipe 1 is subjected to slope releasing along the bridge direction at a ratio of 50-100: 1. And two ends of the corner reinforced double-steel-plate combined hollow pier 9 are fixedly connected with a main beam 6 and a bearing platform 7 of the bridge respectively. The double-layer steel plate 2 comprises two steel plates which are symmetrically arranged along the centroid connecting line of the two adjacent round steel tubes 1. The double-layer steel plate 2 is connected with the two adjacent round steel pipes 1 through fillet welds. The transverse steel partition plate 4 is horizontally arranged along the inner wall of the corner reinforced double-steel-plate hollow sleeve 8 at longitudinal intervals, and the inner wall of the transverse steel partition plate is connected with the round steel pipe 1 and the double-layer steel plate 2 in a welding mode. Pier bottom reinforcing plate 5 set up along bight strenghthened type double steel sheet hollow telescopic pier bottom inner wall circumference interval to respectively with tubular steel resonator 1 and double steel sheet 2 welded connection.
The utility model provides a construction method of hollow pier of two steel sheet combinations of bight strenghthened type, specific implementation step is as follows:
(1) processing circular steel tube 1 and double-deck steel sheet 2 according to design size to adopt fillet weld to let and weld double-deck steel sheet 2 between the adjacent two circular steel tubes 1 respectively, two steel sheets of double-deck steel sheet 2 set up along the centroid line symmetry of adjacent two circular steel tubes 1 respectively, make four circular steel tubes 1 that are located bight and the double-deck steel sheet 2 of being connected between form holistic bight strenghthened type double steel sheet hollow casing 8. The round steel pipe 1 and the double-layer steel plate 2 can be made of common low-carbon steel and weathering steel, and can also be made of high-strength steel. If the stainless steel is applied to corrosive environments such as rivers, oceans and the like, stainless steel can be adopted.
(2) Horizontally welding transverse steel clapboards 4 on the inner wall of the welded corner reinforced double-steel-plate hollow sleeve at intervals along the longitudinal direction according to the design size, and welding pier bottom reinforcing plates 5 on the inner wall of the pier bottom of the corner reinforced double-steel-plate hollow sleeve at intervals along the circumferential direction;
(3) at the job site, the prefabricated corner reinforced double-steel-plate hollow sleeve 8 is hoisted to a corresponding mounting position according to the installation of the design position, and is fixedly connected with a bearing platform, after the installation and the connection are completed, the concrete 3 is poured into the round steel pipe 1 and the double-steel-plate 2, and the corner reinforced double-steel-plate combined hollow pier 9 is formed after the concrete is hardened.
Compared with the prior art, the utility model has the advantages of as follows:
compared with the existing reinforced concrete pier, the corner reinforced double-steel-plate combined hollow pier has the advantages of high bearing capacity, high rigidity, convenience and quickness in construction, good economical efficiency, light dead weight and low requirement on the bearing capacity of the foundation; the corner reinforced double-steel-plate combined hollow pier is adopted for piers in high-intensity areas, so that the seismic resistance of the pier can be enhanced.
And secondly, the utility model discloses a bight strenghthened type double steel plate makes up hollow pier's circular steel tube, double-deck steel sheet can hold concurrently the atress and do the template, need not demolish the mould, only need hoist and mount the hollow steel cylinder that circular steel tube and double-deck steel sheet welding formed during the construction, and it is low to the construction hoist and mount requirement.
Third, the utility model discloses an inside horizontal steel separator that sets up of hollow pier of two steel sheet combination of bight strenghthened type sets up the reinforcing plate at the bottom of the pier, has strengthened the fastness of pier, satisfies rigidity, bearing capacity demand to the bridge.
Although the present invention has been described with reference to the accompanying drawings, the present invention is not limited to the above embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit of the present invention, and all such modifications are within the scope of the present invention.
Claims (6)
1. A corner reinforced type double-steel-plate combined hollow pier comprises round steel tubes, double-layer steel plates, transverse steel partition plates and pier bottom reinforcing plates, and is characterized in that the round steel tubes comprise four round steel tubes which are positioned at corners and are respectively arranged along the forward bridge direction and the transverse bridge direction of a bridge, and the double-layer steel plates are respectively welded between every two adjacent round steel tubes; four round steel tubes and adjacent double-layer steel plates thereof are fixedly connected to form a corner reinforced double-steel-plate hollow sleeve; concrete is poured inside the round steel pipe and the double-layer steel plate.
2. The hollow pier according to claim 1, wherein the double-layer steel plate is connected with the two adjacent round steel tubes through fillet welds.
3. The hollow pier of claim 1, wherein the transverse steel bulkheads are horizontally arranged at intervals along the inner wall of the corner reinforced double-steel-plate hollow sleeve in the longitudinal direction and are welded with the round steel pipes and the double-steel-plate hollow sleeve on the inner wall.
4. The hollow pier of claim 1, wherein the pier bottom reinforcing plates are circumferentially arranged at intervals along the inner wall of the pier bottom of the corner reinforced double-steel-plate hollow sleeve and are respectively connected with the circular steel tube and the double-steel plate in a welding mode.
5. The hollow pier according to claim 1, wherein the circular steel tube is sloped along the bridge direction at a ratio of 50-100: 1.
6. The hollow pier of claim 1, wherein two ends of the corner reinforced double-steel-plate combined hollow pier are fixedly connected with a main beam and a bearing platform of a bridge respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921870992.8U CN212247837U (en) | 2019-11-01 | 2019-11-01 | Corner reinforced type double-steel-plate combined hollow pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921870992.8U CN212247837U (en) | 2019-11-01 | 2019-11-01 | Corner reinforced type double-steel-plate combined hollow pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212247837U true CN212247837U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921870992.8U Expired - Fee Related CN212247837U (en) | 2019-11-01 | 2019-11-01 | Corner reinforced type double-steel-plate combined hollow pier |
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| CN (1) | CN212247837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886200A (en) * | 2019-11-01 | 2020-03-17 | 天津大学 | Corner-reinforced double-steel-plate combined hollow pier and construction method thereof |
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2019
- 2019-11-01 CN CN201921870992.8U patent/CN212247837U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886200A (en) * | 2019-11-01 | 2020-03-17 | 天津大学 | Corner-reinforced double-steel-plate combined hollow pier and construction method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 |