A sling connection assembly and a four-main cable suspension bridge
A technology for connecting components and slings, which is applied in the field of suspension bridges, and can solve problems such as uneven stress on related components, large bridge deck width, and complex structure of lifting points, so as to avoid uneven stress, uniform stress, and reduce steel wires. The effect of bending stress
Active Publication Date: 2022-04-29
CHINA MAJOR BRIDGE ENERGINEERING
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[0010] The embodiment of the present application provides a sling connection assembly and a four-main-cable suspension bridge to solve the existing sling connection scheme between the single-side parallel double cables and the stiffening girder in the four-main-cable suspension bridge in the related art, resulting in a large bridge deck width, The structure of the lifting point is complicated, it cannot adapt to the main cable shape and the error of the length of the sling, and the problems of uneven force on related components
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[0042] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.
[0043] The embodiment of the present application provides a suspension cable connection assembly and a four-main-cable suspension bridge, which can solve the existing suspension connection scheme between the single-side parallel double cables and the stiffening beam in the four-main-cable suspension bridge in the related art, resulting i...
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The application relates to a sling connection assembly and a four-main-cable suspension bridge, which belong to the technical field of suspension bridges. The sling connection assembly includes: a main cable clamp, which includes an outer main cable clamp and an inner main cable clamp, an outer main cable clamp and an inner main cable The clips are arranged separately along the direction of the transverse bridge; the slings include the outer slings connected to the outer main cable clips and the inner slings connected to the inner main cable clips; the balance plate is provided with a first pin shaft connected to the outer slings at one end, The other end is provided with a second pin shaft connected to the inner sling, and the distance between the first pin shaft and the second pin shaft is smaller than the distance between the outer main cable clamp and the inner main cable clamp. One end of the balance board of the present application is connected to the outer sling through the first pin shaft, and the other end of the balance board is connected to the inner sling through the second pin shaft, and the distance between the first pin shaft and the second pin shaft is smaller than that of the outer sling. The distance between the main cable clamp and the inner main cable clamp can avoid the widening of the bridge deck, the anchorage structure of the balance plate on the stiffening beam is simpler and can ensure that the main cables and suspension cables are evenly stressed.
Description
technical field [0001] The present application relates to the technical field of suspension bridges, in particular to a suspension cable connection assembly and a suspension bridge with four main cables. Background technique [0002] Generally, the suspension bridge adopts the scheme of two main cables with one main cable at the upstream and downstream, but with the increase of span and dead load, the diameter of the main cable continues to increase (for example, the diameter of a single main cable of the Wufengshan Yangtze River Bridge has reached 1.3m) , which in turn leads to the following problems: the number of strands of the super-large-diameter main cable is large, the size of the saddle cable clamp is large, the construction period is long, the erection control is difficult, and it is necessary to develop a matching cable tightening machine and a wire winding machine. [0003] For this reason, a few super-long-span suspension bridges, such as the Washington Bridge in...
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IPC IPC(8): E01D11/02E01D19/16E01D19/14
CPCE01D11/02E01D19/16E01D19/14
Inventor 刘汉顺王东晖王东绪唐贺强王忠彬罗扣杨灿文张州蔡銮董学智彭栋郭日强
Owner CHINA MAJOR BRIDGE ENERGINEERING