CN215593652U - City is along river channel bridge supporting structure - Google Patents
City is along river channel bridge supporting structure Download PDFInfo
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- CN215593652U CN215593652U CN202121612031.4U CN202121612031U CN215593652U CN 215593652 U CN215593652 U CN 215593652U CN 202121612031 U CN202121612031 U CN 202121612031U CN 215593652 U CN215593652 U CN 215593652U
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Abstract
The utility model provides a bridge support structure along a river course in an city, which comprises a steel upright post, a base connecting part, a cross brace, a first cross brace and a second cross brace, wherein the base connecting part is arranged at the lower end of the steel upright post, the cross brace is arranged at the upper end of the steel upright post, the cross brace respectively transversely extends towards two opposite sides, one end of the first cross brace is connected with the extending end of the cross brace, the other end of the first cross brace is connected with the lower end of the steel upright post, one end of the second cross brace is connected with the middle part of the first cross brace, and the other end of the second cross brace is positioned at the lower edge of the connecting part of the cross brace and the steel upright post and is respectively connected with the cross brace and the steel upright post. By adopting the method, the smooth pouring construction of the box girder is ensured, the structure is stable, the construction period and the cost are saved, and compared with the traditional method, the method is expected to save 400 square concrete in the ditch, improve the economic benefit and protect the environment; and the construction method is less constrained by the ground flatness and the bearing capacity of the foundation, the applicability is strong, the construction process is simple, the construction period of the box girder is shortened, and the construction efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of bridges, in particular to a support structure of a bridge along a river in a city.
Background
In the city along the river bridge work progress, construction space is limited, among the engineering design, inevitably make box girder flange board sideline invade the drainage ditch inslot occasionally, can cause the support to set up the difficulty this moment. Particularly, when the construction needs to be reduced and the river is occupied in the flood season of construction sites, the pouring construction of the box girder at the position has to be delayed.
Aiming at the unfavorable conditions of adjacent ditches, the traditional method comprises the following steps: (1) the upper portion usable space is prolonged by arranging the cantilever support, dependence on the lower portion river channel space is reduced, and temporary support is provided for construction of the upper portion box girder. However, the support system has high requirements on the ground flatness and the foundation bearing capacity, and is not suitable for the ditch side field environment. (2) The overhanging platform is arranged to provide temporary support for the box girder. But the platform and the support at the lower part need to be constructed independently, the construction process is complex, the precision control requirement of the joint is higher, and the construction period and the cost are increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a support structure for a bridge along a river channel of an urban area.
The utility model is realized by the following technical scheme.
The utility model provides a bridge support structure for an urban riverway, which comprises a steel upright, a base connecting part, a cross brace, a first cross brace and a second cross brace, wherein the base connecting part is arranged at the lower end of the steel upright, the cross brace is arranged at the upper end of the steel upright, the cross brace respectively transversely extends towards two opposite sides, one end of the first cross brace is connected with the extending end of the cross brace, the other end of the first cross brace is connected with the lower end of the steel upright, one end of the second cross brace is connected with the middle part of the first cross brace, and the other end of the second cross brace is positioned at the lower edge of the connecting part of the cross brace and the steel upright and is respectively connected with the cross brace and the steel upright.
The base connecting part is a flange chassis.
The lower end of the steel upright post is provided with a first rib plate, and the first rib plate is welded with the steel upright post, the foundation connecting part and the first inclined strut respectively.
4 first gusset along the circumference equipartition has.
And a second rib plate is arranged at the upper end of the steel upright post and is welded with the steel upright post, the cross brace, the first inclined brace and the second inclined brace respectively.
4 second gusset along the circumference equipartition has 4.
And third rib plates are arranged on two sides of one end of the first inclined strut, which is connected with the transverse strut, and the third rib plates are respectively welded with the first inclined strut and the transverse strut.
And fourth rib plates are arranged on two sides of one end, connected with the first inclined strut, of the second inclined strut, and the fourth rib plates are welded with the first inclined strut and the second inclined strut respectively.
And a supporting block is further arranged above the extending end of the cross brace, and the upper end of the supporting block is flush with the upper end of the steel stand column.
The steel stand is provided with many side by side along the river course, and every steel stand all corresponds and is equipped with basic connecting portion, stull, first bracing, second bracing, and the steel stand top is equipped with the case roof beam.
The steel upright post is a hollow post.
The transverse support, the first inclined support and the second inclined support are made of I-shaped steel.
The utility model has the beneficial effects that:
by adopting the method, the smooth pouring construction of the box girder is ensured, the structure is stable, the construction period and the cost are saved, and compared with the traditional method, the method is expected to save 400 square concrete in the ditch, improve the economic benefit and protect the environment; and the construction method is less constrained by the ground flatness and the bearing capacity of the foundation, the applicability is strong, the construction process is simple, the construction period of the box girder is shortened, and the construction efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1-steel upright posts; 2-a base connection; 3-horizontal bracing; 4-a first diagonal brace; 5-a second inclined strut; 6-box girder; 7-a first rib plate; 8-second rib plate; 9-third rib plate; 10-fourth rib plate; 11-support block.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
Fig. 1 shows a schematic structural diagram of the present invention:
the utility model provides a bridge support structure along a river course in an city, which comprises a steel upright post 1, a base connecting part 2, a cross brace 3, a first inclined brace 4 and a second inclined brace 5, wherein the base connecting part 2 is arranged at the lower end of the steel upright post 1, the cross brace 3 is arranged at the upper end of the steel upright post 1, the cross brace 3 respectively transversely extends towards two opposite sides, one end of the first inclined brace 4 is connected with the extending end of the cross brace 3, the other end of the first inclined brace is connected with the lower end of the steel upright post 1, one end of the second inclined brace 5 is connected with the middle part of the first inclined brace 4, and the other end of the second inclined brace is positioned at the lower edge of the connecting part of the cross brace 3 and the steel upright post 1 and is respectively connected with the cross brace 3 and the steel upright post 1.
When in use, the foundation connecting part 2 is fixed on a foundation, and a pile foundation can be arranged on the foundation; arranging a plurality of supports side by side along a river channel, arranging a box girder 6 on the supports, forming an overhanging platform by a cross brace 3, a first inclined brace 4 and a second inclined brace 5, and transmitting the load of the box girder 6 to a steel upright post 1; after the box girders 6 at two sides of the river channel are butted, the box girders 6 can bear load and have small dependence on the cross braces 3. The crossbeam has enlarged the support distance, and the alternative full hall frame is chosen to prop, and steel stand 1 can reliably be connected with the concrete support stake of lower part, receives the restriction of ground flatness and foundation bearing capacity little. The steel upright post 1, the cross beam, the first inclined strut 4 and the second inclined strut 5 can be welded on site, the integrity is good, the construction process is simple, and the construction period is short.
By adopting the method, the smooth pouring construction of the box girder 6 is ensured, the structure is stable, the construction period and the cost are saved, and compared with the traditional method, the method is expected to save 400 square concrete in the ditch, improve the economic benefit and protect the environment; and the construction method is less constrained by the ground flatness and the bearing capacity of the foundation, the applicability is strong, the construction process is simple, the construction period of the box girder is shortened, and the construction efficiency is improved.
The base connecting part 2 is a flange chassis. Make things convenient for the fixed connection between steel stand 1 and the ground, can connect through rag bolt, also can bury the anchor underground in the ground, construction easy operation.
The lower end of the steel upright post 1 is provided with a first rib plate 7, and the first rib plate 7 is welded with the steel upright post 1, the foundation connecting part 2 and the first inclined strut 4 respectively. The joint strength of the lower end of the steel upright post 1 and the foundation connecting part 2 is enhanced, and the bearing capacity of concentrated stress is improved.
4 first gusset 7 along the circumference equipartition have.
And a second rib plate 8 is arranged at the upper end of the steel upright post 1, and the second rib plate 8 is welded with the steel upright post 1, the cross brace 3, the first inclined brace 4 and the second inclined brace 5 respectively. The joint strength of the upper end of the steel upright post 1 and the cross brace 3 is enhanced, the bearing capacity of the cross brace 3 is improved, and the stability is enhanced.
4 second gusset 8 along the circumference equipartition have.
And third rib plates 9 are arranged on two sides of one end of the first inclined strut 4 connected with the transverse strut 3, and the third rib plates 9 are respectively welded with the first inclined strut 4 and the transverse strut 3. The structural strength of the end part of the cross brace 3 is increased, and the stability is improved.
And fourth rib plates 10 are arranged on two sides of one end, connected with the first inclined strut 4, of the second inclined strut 5, and the fourth rib plates 10 are respectively welded with the first inclined strut 4 and the second inclined strut 5. The structural strength of the first inclined strut 4 is increased, and the stability is improved.
And a supporting block 11 is also arranged above the extending end of the cross brace 3, and the upper end of the supporting block 11 is flush with the upper end of the steel upright post 1. The support is convenient to keep away from the center of the fulcrum of the box girder 6, the support distance is prolonged, and the space above the river channel is fully utilized.
Steel stand 1 is provided with many side by side along the river course, and every steel stand 1 all corresponds and is equipped with basic connecting portion 2, stull 3, first bracing 4, second bracing 5, and 1 tops of steel stand are equipped with case roof beam 6.
The steel upright column 1 is a hollow column. The material is saved, the weight is reduced, and the material is fully utilized.
The cross brace 3, the first inclined brace 4 and the second inclined brace 5 are made of I-shaped steel. The weldable boundary line of the joint is sufficient, the strength of the welded structure of the joint is improved, and the bearing bending moment, the tensile strength and the pressure resistance are strong.
Claims (10)
1. The utility model provides a city along river bridge supporting structure which characterized in that: including steel stand (1), basic connecting portion (2), stull (3), first bracing (4), second bracing (5), steel stand (1) lower extreme is located in basic connecting portion (2), and steel stand (1) upper end is located in stull (3), and stull (3) are transversely stretched out to opposite both sides respectively, and first bracing (4) one end is connected with stretching out of stull (3), and the other end is connected with the lower extreme of steel stand (1), and second bracing (5) one end is connected with first bracing (4) middle part, and the other end is located stull (3) and is connected the position lower edge with steel stand (1) to be connected with stull (3), steel stand (1) respectively.
2. The city edge river channel bridge support structure of claim 1, wherein: the base connecting part (2) is a flange chassis.
3. The city edge river channel bridge support structure of claim 1, wherein: the lower end of the steel upright post (1) is provided with a first rib plate (7), and the first rib plate (7) is welded with the steel upright post (1), the foundation connecting part (2) and the first inclined strut (4) respectively.
4. The city edge river channel bridge support structure of claim 3, wherein: 4 first gusset (7) along the circumference equipartition have.
5. The city edge river channel bridge support structure of claim 1, wherein: and a second rib plate (8) is arranged at the upper end of the steel upright post (1), and the second rib plate (8) is welded with the steel upright post (1), the cross brace (3), the first inclined brace (4) and the second inclined brace (5) respectively.
6. The city edge river channel bridge support structure of claim 5, wherein: 4 second gusset (8) along the circumference equipartition have.
7. The city edge river channel bridge support structure of claim 1, wherein: and third rib plates (9) are arranged on two sides of one end, connected with the cross brace (3), of the first inclined brace (4), and the third rib plates (9) are welded with the first inclined brace (4) and the cross brace (3) respectively.
8. The city edge river channel bridge support structure of claim 1, wherein: and fourth rib plates (10) are arranged on two sides of one end, connected with the first inclined strut (4), of the second inclined strut (5), and the fourth rib plates (10) are welded with the first inclined strut (4) and the second inclined strut (5) respectively.
9. The city edge river channel bridge support structure of claim 1, wherein: and a supporting block (11) is further arranged above the extending end of the cross brace (3), and the upper end of the supporting block (11) is flush with the upper end of the steel upright post (1).
10. The city edge river channel bridge support structure of claim 1, wherein: steel stand (1) are provided with many side by side along the river course, and every steel stand (1) all corresponds and is equipped with basic connecting portion (2), stull (3), first bracing (4), second bracing (5), and steel stand (1) top is equipped with case roof beam (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121612031.4U CN215593652U (en) | 2021-07-15 | 2021-07-15 | City is along river channel bridge supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121612031.4U CN215593652U (en) | 2021-07-15 | 2021-07-15 | City is along river channel bridge supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215593652U true CN215593652U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121612031.4U Active CN215593652U (en) | 2021-07-15 | 2021-07-15 | City is along river channel bridge supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215593652U (en) |
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2021
- 2021-07-15 CN CN202121612031.4U patent/CN215593652U/en active Active
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