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Multi-suspended-pylon cable-stayed bridge

A cable-stayed and suspension bridge technology is applied in the field of the construction of suspension bridges to achieve the effects of small size, neat and beautiful cable surfaces, and consistent inclination directions

Inactive Publication Date: 2010-08-04
马兴运
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

After research, the patent does not specify the line shape of the jacking cable, and there is still room for further improvement and development in the hanging method of the cable stay

Method used

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  • Multi-suspended-pylon cable-stayed bridge
  • Multi-suspended-pylon cable-stayed bridge
  • Multi-suspended-pylon cable-stayed bridge

Examples

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Embodiment approach

[0014] figure 2 It is another embodiment of the present invention: a plurality of multi-suspended tower cable-stayed bridges are connected to each other at the main tower 2, and only one main tower 2 is reserved at the connection point of each two bridges, which is shared by the two bridges. The root of each main tower 2 falls to the ground, and there is a foundation underground. The lengths of the multi-suspended tower cable-stayed bridges that are close to each other are not equal, and the number of sub-towers 3 of each bridge is not required to be equal. The purpose is to prevent live loads from occurring. cause system resonance. Each bridge top cable 1 is fixedly connected at each bridge link point. When the route of multiple suspended tower cable-stayed bridges turns, guy wires must be installed on the outside of the corner. If the corner is large, the corner should be decomposed into several smaller angles, and a guy wire should be installed on the outside of each corn...

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Abstract

The invention discloses a multi-suspended-pylon cable-stayed bridge and aims to provide a bridge for constructing a larger span and is suitable for linking multiple bridges for constructing an over-long distance bridge or used for constructing an elevated trackway transportation system and more suitable for constructing a small and medium size bridge. The multi-suspended-pylon cable-stayed bridge comprises a plurality of branch spans with different heights, top cables 1, bottom cables 6 and force transmission cables 4, wherein the plurality of branch spans consist of suspended branch pylons 3 and are added in the middle part of the cable-stayed bridge; the top cables 1 are fixed to two main pylons 2 and the tops of all branch pylons and sagged in the shape of a fold line; the bottom cables are fixed to the root parts of all the branch pylons; the bottom ends of the force transmission cables are fixed to the bottom ends of all the branch pylons, and the top ends are fixed to the top of a closest branch pylon or a main pylon towards the direction of a closest main pylon; and the top ends of all stayed-cables 5, the bottom ends of which are uniformly fixed to a girder 6, are all fixed to the top of a closest branch pylon or a main pylon facing towards the direction of a closest main pylon.

Description

technical field [0001] The invention relates to a construction method of a suspension bridge, in particular, it consists of a top cable which is installed on the top of each suspended sub-tower and the main tower in the middle of the bridge deck and hangs down in a broken line shape, and is installed on one side of each suspended sub-tower and the main tower. A bridge composed of force transmission cables, cable-stayed cables and other components, that is, a cable-stayed bridge with multiple suspended towers. Background technique [0002] The long-span bridges that have been built today are basically cable-stayed bridges. The basic feature of the cable-stayed bridge is that the structure is relatively simple, and the geometric dimensions of the main tower, cable-stayed cables and other components increase in proportion to the increase of the span. At present, the size of large cable-stayed bridges has approached the limit, and it is extremely difficult to build cable-stayed...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D11/04
Inventor 马兴运
Owner 马兴运
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