CN218345960U - Construction structure of cross-river bridge - Google Patents
Construction structure of cross-river bridge Download PDFInfo
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- CN218345960U CN218345960U CN202222070787.1U CN202222070787U CN218345960U CN 218345960 U CN218345960 U CN 218345960U CN 202222070787 U CN202222070787 U CN 202222070787U CN 218345960 U CN218345960 U CN 218345960U
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- pull rod
- steel arch
- suspension cable
- cable pull
- foundation
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Abstract
The utility model belongs to traffic engineering construction field, concretely relates to cross river bridge's construction structures. The utility model discloses a set up in first pier basis and the second pier basis of crossing river both sides respectively, still include steel arch support, steel arch, span wire pull rod, basic carrier bar, bridge floor structure and can dismantle interim track, can dismantle interim track one end and erect on first pier basis, can dismantle interim track other end and erect on the second pier basis, be provided with a plurality of first span wire pull rod installation departments on the steel arch; the foundation bearing beam is arranged at the top of the detachable temporary track, a second suspension cable pull rod installation part is arranged on the foundation bearing beam, the bridge deck structure is arranged at the top of the foundation bearing beam, one end of the suspension cable pull rod is fixedly connected with the first suspension cable pull rod installation part, and the other end of the suspension cable pull rod is fixedly connected with the second suspension cable pull rod installation part. The utility model discloses can greatly reduced stride the high altitude construction degree of difficulty of river bridge.
Description
Technical Field
The utility model belongs to traffic engineering construction field, concretely relates to cross river bridge's construction structures.
Background
In the existing construction of a bridge across the river, steel structure construction towers are usually installed on two sides of the river, then an aerial cable is adopted to hoist a bridge arch unit, the bridge arch unit is assembled in a high altitude mode, and finally a steel trestle bridge is paved on the river to construct a bridge floor. In the construction method, the high-altitude assembled steel arch structure belongs to high-altitude high-difficulty construction and has the problem of poor safety, and a large number of construction plates need to be laid on a construction bridge floor of a steel trestle paved on the river in the later period, so that the problem of material waste is caused, and the construction cost is greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a cross river bridge's construction structures, this structure can greatly reduced cross river bridge's the high altitude construction degree of difficulty.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes: the construction structure of the river-crossing bridge comprises a first pier foundation and a second pier foundation which are respectively arranged on two sides of a cross-river, and further comprises a steel arch support, a steel arch, a suspension cable pull rod, a foundation bearing beam, a bridge deck structure and a detachable temporary track, wherein one end of the detachable temporary track is erected on the first pier foundation, the other end of the detachable temporary track is erected on the second pier foundation, and a gantry crane installation part is arranged on the detachable temporary track;
the steel arch support is fixedly connected to the foundation of a first bridge pier to form a first fixing part, the other steel arch support is fixedly connected to the foundation of a second bridge pier to form a second fixing part, the steel arch is arranged in a protruding mode, one end of the steel arch is fixedly connected with the first fixing part, the other end of the steel arch is fixedly connected with the second fixing part, and a plurality of first suspension cable pull rod installation parts are arranged on the steel arch;
the foundation bearing beam is arranged at the top of the detachable temporary track, a second suspension cable pull rod installation part is arranged on the foundation bearing beam, the bridge deck structure is arranged at the top of the foundation bearing beam, one end of the suspension cable pull rod is fixedly connected with the first suspension cable pull rod installation part, and the other end of the suspension cable pull rod is fixedly connected with the second suspension cable pull rod installation part.
The first suspension cable pull rod installation part is arranged on the steel arch, and the second suspension cable pull rod installation part is arranged on the first suspension cable pull rod installation part.
Further, the two sides of the detachable temporary track are respectively provided with a clamping groove.
Further, including thrustor, thrustor can push away the setting at the top that can dismantle interim track with basic carrier bar, and thrustor's output corresponds with the draw-in groove position.
Further, the pushing device is a hydraulic pushing rod device.
And furthermore, the steel arch support comprises a stay wire, one end of the stay wire is fixedly connected with the steel arch support, and the other end of the stay wire is used for anchoring on the road surface.
The utility model discloses can dismantle interim track by the introduction, can dismantle interim orbital one end and erect on first pier basis, can dismantle interim orbital other end and erect on second pier basis, can dismantle and be provided with the portal crane installation department on the interim track, the portal crane installation department is used for installing the portal crane, when needs installation steel arch, basic carrier bar and bridge floor structure, the portal crane can directly arch the steel, basic carrier bar and bridge floor structure hoist and mount to corresponding installation position to avoided carrying out the high altitude construction operation, greatly reduced the high altitude construction degree of difficulty. In order to facilitate construction, the structure can also adopt the combination of a gantry crane and a pushing device for construction, namely the gantry crane is used for hoisting and traction, and the pushing device provides corresponding pushing force. After the hoisting of the integral structure is completed, only the temporary track needs to be detached, so that the operation is simple and convenient, and the construction is easy.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the foundation carrier when it is installed on the removable temporary track;
FIG. 3 is an elevation view of the present invention;
FIG. 4 is a schematic structural view of a gantry crane without pulling a foundation carrier beam;
FIG. 5 is a schematic structural diagram of a steel arch erected after a gantry crane pulls a foundation carrier beam;
description of the reference numerals:
11. a first bridge pier foundation; 12. a second pier foundation; 2. a steel arch support; 3. a steel arch; 4. a suspension cable tie rod; 5. a foundation carrier bar; 6. a bridge deck structure; 7. a removable temporary track; 71. a card slot; 8. connecting and supporting; 9. a pushing device; 10. a pull wire; 100. river; 200. a pavement; 300. a gantry crane; 400. a balancing weight; 500. and a roller.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
As shown in fig. 1 to 2, the construction structure of the river-crossing bridge includes a first pier foundation 11 and a second pier foundation 12 which are respectively arranged on both sides of the river-crossing bridge, and further includes a steel arch support 2, a steel arch 3, a suspension cable pull rod 4, a foundation carrier beam 5, a bridge deck structure 6 and a detachable temporary rail 7, wherein one end of the detachable temporary rail 7 is erected on the first pier foundation 11, the other end of the detachable temporary rail 7 is erected on the second pier foundation 12, and a gantry crane installation part is arranged on the detachable temporary rail 7;
a steel arch support 2 is fixedly connected to a first pier foundation 11 to form a first fixing part, the other steel arch support 2 is fixedly connected to a second pier foundation 12 to form a second fixing part, the steel arch 3 protrudes outwards, one end of the steel arch 3 is fixedly connected with the first fixing part, the other end of the steel arch 3 is fixedly connected with the second fixing part, and a plurality of first suspension cable pull rod installation parts are arranged on the steel arch 3;
the foundation carrier bar 5 is arranged at the top of the detachable temporary track 7, a second suspension cable pull rod installation part is arranged on the foundation carrier bar 5, the bridge deck structure 6 is arranged at the top of the foundation carrier bar 5, one end of the suspension cable pull rod 4 is fixedly connected with the first suspension cable pull rod installation part, and the other end of the suspension cable pull rod 4 is fixedly connected with the second suspension cable pull rod installation part.
In order to enhance the connection stability of the suspension cable pull rod 4 and the steel arch 3, a plurality of connecting supports 8 are introduced, the connecting supports 8 are fixedly arranged on the steel arch 3, and one first suspension cable pull rod mounting part is correspondingly arranged on one connecting support 8.
The utility model discloses in, for leading when convenient on the one hand is under construction basic carrier bar 5, on the other hand takes place the skew when preventing basic carrier bar 5 from installing, the both sides that can dismantle interim track 7 are provided with draw-in groove 71 respectively.
For convenient construction, to guarantee the construction progress, introduce thrustor 9, thrustor 9 can set up the top at the removable interim track 7 with the top of basic carrier bar 5 top thrust, and the output of thrustor 9 corresponds with the position of draw-in groove 71.
The pushing device 9 can be a hydraulic pushing device, and the pushing device 9 can also be an electric pushing rod and the like.
In order to enhance the integral stability of the structure, a stay wire 10 is introduced, one end of the stay wire 10 is fixedly connected with the steel arch support 2, and the other end of the stay wire 10 is used for anchoring on the road surface.
The construction structure based on the river-crossing bridge has the following specific construction methods: A. arranging a first pier foundation 11 and a second pier foundation 12 on two sides of a river, respectively, then arranging a detachable temporary rail 7, erecting one end of the detachable temporary rail 7 on the first pier foundation 11, erecting the other end of the detachable temporary rail 7 on the second pier foundation 12, and arranging a gantry crane installation part on the detachable temporary rail 7;
B. setting a foundation carrier beam 5: the foundation carrier bar 5 is arranged at the top of the detachable temporary track 7, and a second suspension cable pull rod mounting part is arranged on the foundation carrier bar 5;
C. arranging a steel arch fixing part: arranging steel arch supports 2, wherein one steel arch support 2 is fixedly connected to a first pier foundation 11 to form a first fixing part, and the other steel arch support 2 is fixedly connected to a second pier foundation 12 to form a second fixing part;
D. connecting a steel arch 3: the steel arch 3 is arranged in a convex mode, one end of the steel arch 3 is fixedly connected with the first fixing portion, the other end of the steel arch 3 is fixedly connected with the second fixing portion, and a plurality of first suspension cable pull rod installation portions are arranged on the steel arch 3;
E. and (3) arranging a suspension cable pull rod 4: one end of the suspension cable pull rod 4 is fixedly connected with the first suspension cable pull rod mounting part, and the other end of the suspension cable pull rod 4 is fixedly connected with the second suspension cable pull rod mounting part;
F. setting a bridge deck structure 6: the deck structure 6 is arranged on top of the foundation carrier beam 5.
Further, in step a, two sides of the detachable temporary rail 7 are respectively provided with a clamping groove 71.
For convenient construction, in order to guarantee the construction progress, in step B, the pushing device 9 is further included, the pushing device 9 can push the foundation bearing beam 5 to be arranged at the top of the detachable temporary track 7, and the output end of the pushing device 9 corresponds to the position of the clamping groove 71.
In order to specify a specific construction method of the foundation carrier bar 5, in step B, the method includes a first state and a second state, where the first state is: the left foundation bearing beam and the right foundation bearing beam are formed after the foundation bearing beam 5 is arranged on the left side and the right side of the river-crossing side respectively, a left clamping groove is formed in one side of the detachable temporary track 7, a right clamping groove is formed in the other side of the detachable temporary track 7, the left foundation bearing beam corresponds to the left clamping groove in position, and the right foundation bearing beam corresponds to the right clamping groove in position;
the second state: the left foundation bearing Liang Chuanguo is provided with a left clamping groove, and the pushing device 9 pushes the left foundation bearing beam until the left foundation bearing beam reaches a butt joint position; the right foundation bearing beam penetrates through the right clamping groove, and the pushing device 9 pushes the right foundation bearing beam until the right foundation bearing beam reaches the butt joint position;
the butt joint position is a closure position, and the left foundation bearing beam and the right foundation bearing beam are fixedly connected at the butt joint position. The fixed connection may be a welded connection.
In order to facilitate pushing, in step B, rollers 500 are disposed at the bottoms of the left foundation carrier bar and the right foundation carrier bar.
In order to avoid overturning of the foundation carrier beam in the pushing process, in step B, the top of each of the left foundation carrier beam and the right foundation carrier beam is provided with a counterweight 400.
The utility model discloses in, bridge floor structure 6 can be prefabricated at the river limit and form, like whole prefabricated plate, the consumptive material is few this moment, and the later stage only need set up the operation.
The utility model discloses in, the quantity on pier basis is confirmed by the geological conditions of construction department, and pier basis is under construction at least on every river bank.
Claims (6)
1. The construction structure of the river-crossing bridge comprises a first pier foundation (11) and a second pier foundation (12) which are respectively arranged on two sides of a cross-river, and is characterized by further comprising a steel arch support (2), a steel arch (3), a suspension cable pull rod (4), a foundation bearing beam (5), a bridge deck structure (6) and a detachable temporary track (7), wherein one end of the detachable temporary track (7) is erected on the first pier foundation (11), the other end of the detachable temporary track (7) is erected on the second pier foundation (12), and a gantry crane installation part is arranged on the detachable temporary track (7);
a steel arch support (2) is fixedly connected to a first pier foundation (11) to form a first fixing part, another steel arch support (2) is fixedly connected to a second pier foundation (12) to form a second fixing part, the steel arch (3) is arranged in a convex mode, one end of the steel arch (3) is fixedly connected with the first fixing part, the other end of the steel arch (3) is fixedly connected with the second fixing part, and a plurality of first suspension cable pull rod installation parts are arranged on the steel arch (3);
the foundation bearing beam (5) is arranged at the top of the detachable temporary track (7), a second suspension cable pull rod installation part is arranged on the foundation bearing beam (5), the bridge deck structure (6) is arranged at the top of the foundation bearing beam (5), one end of the suspension cable pull rod (4) is fixedly connected with the first suspension cable pull rod installation part, and the other end of the suspension cable pull rod (4) is fixedly connected with the second suspension cable pull rod installation part.
2. The construction structure of a river-crossing bridge according to claim 1, comprising a plurality of connecting supports (8), wherein the plurality of connecting supports (8) are fixedly arranged on the steel arch (3), and one first suspension rod mounting part is correspondingly arranged on one connecting support (8).
3. The construction structure of a river-crossing bridge according to claim 1, wherein both sides of the detachable temporary rails (7) are respectively provided with a clamping groove (71).
4. The construction structure of a river-crossing bridge according to claim 3, comprising a pushing device (9), wherein the pushing device (9) can push the foundation bearing beam (5) to be arranged at the top of the detachable temporary track (7), and the output end of the pushing device (9) corresponds to the position of the clamping groove (71).
5. The construction structure of a river-crossing bridge according to claim 4, wherein said thrusting means (9) is a hydraulic pusher means.
6. The construction structure of a river-crossing bridge according to any one of claims 1 to 5, comprising a stay wire (10), wherein one end of the stay wire (10) is fixedly connected with the steel arch support (2), and the other end of the stay wire (10) is used for anchoring on a road surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222070787.1U CN218345960U (en) | 2022-08-05 | 2022-08-05 | Construction structure of cross-river bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222070787.1U CN218345960U (en) | 2022-08-05 | 2022-08-05 | Construction structure of cross-river bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218345960U true CN218345960U (en) | 2023-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222070787.1U Active CN218345960U (en) | 2022-08-05 | 2022-08-05 | Construction structure of cross-river bridge |
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| Country | Link |
|---|---|
| CN (1) | CN218345960U (en) |
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- 2022-08-05 CN CN202222070787.1U patent/CN218345960U/en active Active
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