A hanger anchor structure
A technology for anchoring structures and suspenders, applied to bridge parts, bridges, buildings, etc., can solve problems such as potential safety hazards, increased local average stress, and reduced effective bearing cross-section, and achieve the effect of improving service life
Active Publication Date: 2017-02-22
SHENZHEN MUNICIPAL DESIGN & RES INST
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Problems solved by technology
Once the anchorage area of the suspender is in a humid environment, the corrosion rate will be significantly accelerated, making the anchorage area of the suspender a sensitive area for damage. Once the cross section of the suspender is corroded and cracked, the effective bearing section will decrease, and the local average stress will further increase. Aggravate the corrosion and cracking of the boom, causing safety hazards
Method used
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Embodiment Construction
[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0018] see figure 1 , is Embodiment 1 of the suspender anchorage structure of the present invention.
[0019] The anchoring structure of the boom in this embodiment includes: a boom body 1, which is made of a corrosion-resistant material; an anchoring part 2 fastened to the boom body 1, and two opposite side ends of the anchoring part 2 have first anchors respectively. plate 21 and a second anchor plate 22, the first anchor plate 21 is located at the side end 2a o...
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The invention discloses a suspender anchoring structure which comprises a suspender body, an anchoring portion and multiple steel strands. The suspender body is mainly composed of a rubber belt and an outer PE protective jacket, wherein steel strands are wound around the rubber belt. The anchoring portion and the suspender body are fastened together. The two opposite side ends of the anchoring portion are provided with a first anchor plate and a second anchor plate respectively. The first anchor plate is located at one side end, connected with the suspender body in a fastened mode, of the anchoring portion. The second anchor plate is located at the other side end, which is far away from the end connected with the suspender body in the fastened mode, of the anchoring portion. The multiple steel strands penetrate through the anchoring portion, fastened by the second anchor plate and the first anchor plate, and then are covered by the PE protective jacket. The size of the section of each steel strand located at the second anchor plate is larger than that of the section of each steel strand located at the first anchor plate. The suspender anchoring structure can effectively avoid the phenomenon that because stress concentration occurs to a suspender anchoring area, the suspender anchoring area corrodes and cracks ahead of time, and then the effective area is reduced, and the service life of the suspender is prolonged.
Description
technical field [0001] The invention relates to the field of engineering, in particular to a suspension rod anchoring structure. Background technique [0002] Cables (hangers) are the main force-transmitting components of cable-type bridges, and the breakage of the cables can easily cause the overall collapse of the bridge. The safety of the hangers is of great significance to the safety of the entire bridge. [0003] In the prior art, most of the damaged cable-type bridges are caused by the failure of the suspenders. From the perspective of the failure mechanism of the suspenders, it is mainly caused by the combined action of medium corrosion and external loads, namely stress corrosion and fatigue corrosion. The fracture caused by the joint coupling with mechanical fatigue. The broken position of the suspender is usually located in the anchorage area. Once the anchorage area of the suspender is in a humid environment, the corrosion rate will be significantly accelerated...
Claims
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IPC IPC(8): E01D19/14
CPCE01D19/14
Inventor 蔡明姜瑞娟于芳陈宜言
Owner SHENZHEN MUNICIPAL DESIGN & RES INST