Arrangement structure for main cable strands of multi-tower suspension bridge
A technology for arranging structures and suspension bridges, used in bridges, bridge parts, bridge construction, etc., can solve the problem of high slippage risk of cable saddles, and achieve the effects of improving anti-slip safety, increasing frictional contact surfaces, and increasing height
Active Publication Date: 2018-08-10
SOUTHWEST JIAOTONG UNIV
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- Abstract
- Description
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- Application Information
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Problems solved by technology
[0004] The main purpose of the present invention is to provide a multi-tower suspension bridge main cable strand arrangement structure to solve the problem of high risk of saddle slippage in multi-tower suspension bridges in the prior art
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Embodiment 1-4
[0055] Embodiment 1-4: adopt the layout structure of the main cable strands of the multi-tower suspension bridge of the present invention;
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The invention discloses an arrangement structure for main cable strands of a multi-tower suspension bridge. The arrangement structure comprises a cable saddle provided with a cable bearing groove, thecable strands arranged in the cable bearing groove, and a partition plate; and the section of the arrangement structure of the cable strands in the cable bearing groove is of a rhombic structure, thegroove-shaped structure of the cable bearing groove is matched with the arrangement structure of the cable strands, and the longer diagonal line in the rhombic structure serves as the central columncable strand of the arrangement structure of the cable strands in the cable bearing groove. According to the arrangement structure, the anti-sliding safety of the cable saddle is improved, and thus the rigidity of a main tower in the suspension bridge is improved.
Description
technical field [0001] The invention relates to the technical field of suspension bridges, in particular to an arrangement structure of main cable strands of a multi-tower suspension bridge. Background technique [0002] Multi-tower suspension bridges have great competitive advantages when crossing wide waters. However, due to the lack of effective restraint by side cables in the main tower, the overall stiffness of multi-tower suspension bridges is weak, and higher overall stiffness is the basis for ensuring the spanning capacity of multi-tower suspension bridges. One of the premise, among them, increasing the stiffness of the main tower is an effective means to improve the overall stiffness. However, studies have shown that when the stiffness of the central tower increases, the cable force difference of the multi-tower suspension bridge will also increase, resulting in an increase in the risk of cable saddle slippage on the central tower. In the most unfavorable working co...
Claims
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IPC IPC(8): E01D19/16E01D19/14
CPCE01D19/14E01D19/16
Inventor 张清华程震宇杨梦月康纪平韩少辉贾东林刘欣益卜一之
Owner SOUTHWEST JIAOTONG UNIV
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