Empty cable-stayed bridge structure

Abstract

The utility model discloses an extradosed cable-stayed bridge structure, and belongs to the technical field of extradosed cable-stayed bridges, the extradosed cable-stayed bridge structure comprises a river body, and the river body comprises a river bank; the bridge body comprises a transportation assembly and an auxiliary supporting assembly, the auxiliary supporting assembly is arranged at the bottom of the transportation assembly and supports the transportation assembly, the transportation assembly comprises a main road, the main road is arranged above a river bank on one side of the river body, and the two sides of one end of the main road communicate with a first branch road and a second branch road correspondingly; the other end of the first branch and the other end of the second branch are communicated with a first supporting table and a second supporting table respectively, the first supporting table and the second supporting table are arranged above the river bank on the other side of the river body, the first branch and the second branch are selected according to the driving route, the stroke is shortened, meanwhile, congestion on a bridge is avoided, and the service life of the bridge is prolonged. And the time of the traffic light can be correspondingly adjusted according to the condition of the road surface when getting off the bridge, so that a large number of vehicles can orderly drive towards the same direction to avoid intersection congestion.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge technical field, specifically, relate to a kind of low tower cable-stayed bridge structure. BACKGROUND

[0002] In recent years, with the rapid development of bridge engineering construction, low tower cable-stayed bridge, also known as partial cable-stayed bridge, is a novel bridge type that has emerged in recent years, and its stress performance is between beam bridge and cable-stayed bridge. With the acceleration of urbanization, the terrain inside the city is complex and variable, and land resources are increasingly scarce. Traditional bridge construction often requires a large amount of land resources, which not only increases construction costs but also has a certain impact on urban landscape and ecological environment. At the same time, accidents often occur in the use of traditional bridges, which can easily cause large-scale congestion and affect road traffic. How to invent a low tower cable-stayed bridge structure to improve these problems has become a problem that needs to be solved by technical personnel in this field. SUMMARY

[0003] To make up for the above shortcomings, the utility model provides a low tower cable-stayed bridge structure, which aims to improve the problem that traditional bridges occupy a large amount of land resources during construction, increase construction costs, and have a certain impact on urban landscape and ecological environment. At the same time, accidents often occur in the use of traditional bridges, which can easily cause large-scale congestion and affect road traffic.

[0004] The utility model is implemented as follows: a low tower cable-stayed bridge structure, comprising

[0005] a river body, the river body comprising a river bank;

[0006] a bridge body, the bridge body comprising a transportation component and an auxiliary support component, the auxiliary support component being arranged at the bottom of the transportation component, the auxiliary support component supporting the transportation component, the transportation component comprising a main road, the main road being arranged above the river bank on one side of the river body, the main road having a first branch road and a second branch road connected thereto on both sides of one end thereof, the first branch road and the second branch road having a first support platform and a second support platform connected thereto at the other end thereof, respectively, the first support platform and the second support platform being arranged above the river bank on the other side of the river body.

[0007] In a preferred technical solution of the utility model, two groups of roads are arranged on the main road, and each group of road has a plurality of lanes.

[0008] In a preferred technical solution of the utility model, the first branch road and the second branch road are respectively arranged in correspondence with the two groups of lanes on the main road, and the main road, the first branch road, and the second branch road are arranged in Y shape.

[0009] In a preferred technical scheme of the utility model, the second support platform and the first support platform are built at different positions on one side of the river bank, and the outer ends of the second support platform and the first support platform are communicated with the external road.

[0010] In a preferred technical scheme of the utility model, the bottom of the first branch and the second branch is respectively fixedly provided with a tower column, the top of the tower column abuts against the bottom of the first branch and the second branch, and the bottom of the tower column is arranged at the bottom of the river body.

[0011] In a preferred technical scheme of the utility model, a bridge tower is built above the tower column, the two sides of the bridge tower are respectively connected with a stay cable and a matched cable, the stay cable and the matched cable are respectively correspondingly pulled at the two ends of the first branch and the second branch, and the bridge tower is inverted Y-shaped.

[0012] In a preferred technical scheme of the utility model, the stay cable is provided with a plurality of groups, one end of each group of the stay cable is fixedly connected with a side of the bridge tower with a small inclination angle, and the other end of the stay cable is respectively equally divided and connected to the two sides of the first branch and the second branch.

[0013] In a preferred technical scheme of the utility model, one end of the matched cable is fixedly connected to a side of the bridge tower with a large inclination angle, and the other end of the matched cable is fixedly connected to the two sides of the second support platform and the first support platform.

[0014] In a preferred technical scheme of the utility model, the auxiliary support assembly comprises a main pier and an inner pier, the main pier and the inner pier are respectively fixedly installed at the bottom of the main road and located at the two sides of the river bank, the main pier is located at the outer side of the river bank, the bottom of the first branch and the second branch is equally divided and provided with a bridge pier, the top of the bridge pier abuts against the bottom of the first branch and the second branch, and the bottom of the bridge pier is fixedly arranged at the bottom of the river body.

[0015] In a preferred technical scheme of the utility model, a traffic light is arranged on the first branch and the second branch, and the traffic light is arranged on one side of the first branch and the second branch.

[0016] The utility model discloses an advantageous effect is: the utility model discloses a low tower cable-stayed bridge structure through above -mentioned design, when using, the vehicle is in the lane of main road and drives, according to the route of driving and select through first branch or second branch, convenient to enter different direction, increase the fluency of road traffic and avoid the first branch or second branch to have excessive congestion simultaneously, when a road needs to be repaired, can select another road and drive, greatly reduce the time of congestion, through adopting low tower cable-stayed bridge structure, reduced the occupation of traditional bridge to land, especially in the complex region of city internal topography, can utilize land resources more effectively, the setting of main road and first branch and second branch makes the traffic flow be dispersed, improves the overall traffic efficiency of bridge, reduces the traffic accident simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment, should understand, the following drawing only shows some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other related drawings according to these drawings.

[0018] Figure 1 It is the structure schematic drawing of one side that the embodiment of the utility model provides;

[0019] Figure 2 It is the structure schematic drawing of the other side that the embodiment of the utility model provides;

[0020] Figure 3 It is the structure schematic drawing of transportation assembly that the embodiment of the utility model provides;

[0021] Figure 4 It is the partial structure schematic drawing of transportation assembly that the embodiment of the utility model provides;

[0022] Figure 5 It is the tail structure schematic drawing of transportation assembly that the embodiment of the utility model provides.

[0023] In the drawing: 100, river body;110, river bank;200, bridge body;210, transportation assembly;211, main road;212, first branch;213, second branch;214, second support platform;215, first support platform;216, tower column;217, bridge tower;218, cable-stayed cable;219, cooperate cable;220, auxiliary support assembly;221, main pier;222, inner pier;223, bridge pier;224, traffic light. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figure 1 And Figure 2 The utility model provides a technical scheme: a low tower cable-stayed bridge structure, comprising

[0026] River body 100, river body 100 includes river bank 110;

[0027] Bridge body 200, bridge body 200 includes transportation component 210 and auxiliary support component 220, auxiliary support component 220 is arranged at the bottom of transportation component 210, and auxiliary support component 220 supports transportation component 210, and transportation component 210 includes main road 211, and main road 211 is arranged above the river bank 110 on one side of river body 100, and the both sides of one end of main road 211 are respectively communicated with first branch road 212 and second branch road 213, and the other end of first branch road 212 and second branch road 213 is respectively communicated with first support platform 215 and second support platform 214, and first support platform 215 and second support platform 214 are arranged above the river bank 110 on the other side of river body 100, and first branch road 212 and second branch road 213 are selected to shorten the journey according to the route, simultaneously avoid the congestion on the bridge, and when going down the bridge, the time of the red light and green light on the road can be adjusted according to the situation of the road, and a large number of vehicles orderly travel in the same direction, avoiding the congestion at the intersection.

[0028] Please refer to Figure 3 And Figure 4 Two groups of roads are arranged on main road 211, and a plurality of lanes are arranged in each group of roads. First branch road 212 and second branch road 213 are respectively communicated with the two groups of lanes on main road 211, and main road 211, first branch road 212 and second branch road 213 are arranged in Y shape. Second support platform 214 and first support platform 215 are built at different positions on one side of river bank 110, and the outer ends of second support platform 214 and first support platform 215 are communicated with external roads. Tower column 216 is fixedly arranged at the bottom of first branch road 212 and second branch road 213, the top of tower column 216 abuts against the bottom of first branch road 212 and second branch road 213, and the bottom of tower column 216 is arranged at the bottom of river body 100.

[0029] The bridge tower 217 is provided with a plurality of groups of the stay cables 218, one end of each group of the stay cables 218 is fixedly connected to the side of the bridge tower 217 with a small inclination angle, and the other end of the stay cables 218 is respectively connected to the two sides of the first branch road 212 and the second branch road 213 in equal parts. One end of the cooperating cable 219 is fixedly connected to the side of the bridge tower 217 with a large inclination angle, and the other end of the cooperating cable 219 is fixedly connected to the two sides of the second support platform 214 and the first support platform 215. The cooperation of the stay cables 218 and the cooperating cable 219 ensures the stability of the first branch road 212 and the second branch road 213 in the horizontal and vertical directions.

[0030] Please refer to Figures 3 to 5 The stay cables 218 are provided with a plurality of groups, one end of each group of the stay cables 218 is fixedly connected to the side of the bridge tower 217 with a small inclination angle, and the other end of the stay cables 218 is respectively connected to the two sides of the first branch road 212 and the second branch road 213 in equal parts. One end of the cooperating cable 219 is fixedly connected to the side of the bridge tower 217 with a large inclination angle, and the other end of the cooperating cable 219 is fixedly connected to the two sides of the second support platform 214 and the first support platform 215. The cooperation of the stay cables 218 and the cooperating cable 219 ensures the stability of the first branch road 212 and the second branch road 213 in the horizontal and vertical directions.

[0031] The auxiliary support assembly 220 includes a main pier 221 and an inner pier 222, and the main pier 221 and the inner pier 222 are respectively fixedly installed at the bottom of the main road 211 on the two sides of the river bank 110. The main pier 221 is located on the outer side of the river bank 110. The bottom of the first branch road 212 and the second branch road 213 is equally provided with a bridge pier 223. The top of the bridge pier 223 is respectively abutted with the bottom of the first branch road 212 and the second branch road 213. The bottom of the bridge pier 223 is fixedly arranged at the bottom of the river body 100. The first branch road 212 and the second branch road 213 are provided with traffic lights 224. The traffic lights 224 are respectively arranged on one side of the first branch road 212 and the second branch road 213. The traffic lights 224 are connected with the traffic management authority. The traffic lights 224 are convenient for controlling the driving of vehicles, controlling the traffic flow and ensuring the traffic safety according to the flow of the road.

[0032] Working principle: the vehicle drives on the lane of the main road 211, and selects to pass through the first branch road 212 or the second branch road 213 according to the driving route, which is convenient for entering different directions, increases the smoothness of the road traffic, avoids excessive congestion of the first branch road 212 or the second branch road 213, and greatly reduces the congestion time when one road needs to be repaired.

[0033] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A low-tower cable-stayed bridge structure, characterized in that, include The river body, including the riverbanks; The bridge structure includes a transport component and an auxiliary support component. The auxiliary support component is disposed at the bottom of the transport component and supports the transport component. The transport component includes a main road, which is disposed above the riverbank on one side of the river. One side of the main road is connected to a first branch road and a second branch road, respectively. The other ends of the first branch road and the second branch road are connected to a first support platform and a second support platform, respectively. The first support platform and the second support platform are disposed above the riverbank on the other side of the river.

2. The low-tower cable-stayed bridge structure as described in claim 1, characterized in that: The main road has two sets of roads, each with multiple lanes.

3. The low-tower cable-stayed bridge structure as described in claim 2, characterized in that: The first branch road and the second branch road are respectively connected to two sets of lanes on the main road, and the main road, the first branch road and the second branch road are arranged in a Y shape.

4. The low-tower cable-stayed bridge structure as described in claim 3, characterized in that: The second support platform and the first support platform are built at different locations on one side of the riverbank, and the outer ends of the second support platform and the first support platform are connected to the external road.

5. The low-tower cable-stayed bridge structure as described in claim 3, characterized in that: The bottom of the first branch road and the second branch road are respectively fixedly provided with tower columns, the top of the tower columns abutting against the bottom of the first branch road and the second branch road, and the bottom of the tower columns is located at the bottom of the river body.

6. The low-tower cable-stayed bridge structure as described in claim 5, characterized in that: A bridge tower is built on top of the tower column. The bridge tower is connected to two sides by stay cables and auxiliary cables, which are respectively pulled to the two ends of the first branch road and the second branch road. The bridge tower is an inverted Y-shape.

7. A low-tower cable-stayed bridge structure as described in claim 6, characterized in that: The cable stays are provided in multiple sets. One end of each set of cable stays is fixedly connected to the side of the bridge tower with the smaller inclination angle, and the other end of each cable stays is equally connected to both sides of the first branch and the second branch.

8. A low-tower cable-stayed bridge structure as described in claim 6, characterized in that: One end of the connecting cable is fixedly connected to the side of the bridge tower with the larger inclination angle, and the other end of the connecting cable is fixedly connected to both sides of the second support platform and the first support platform.

9. A low-tower cable-stayed bridge structure as described in claim 1, characterized in that: The auxiliary support assembly includes a main pier and an inner pier. The main pier and the inner pier are respectively fixedly installed on both sides of the bottom of the main road located on the riverbank. The main pier is located on the outer side of the riverbank. The bottom of the first branch road and the second branch road are equally divided with bridge piers. The top of the bridge piers abuts against the bottom of the first branch road and the second branch road respectively. The bottom of the bridge piers is fixedly installed at the bottom of the river body.

10. A low-tower cable-stayed bridge structure as described in claim 9, characterized in that: Traffic lights are installed on the first branch road and the second branch road, respectively, and the traffic lights are located on one side of the first branch road and the second branch road.

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