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由于自锚式悬索桥经济跨径较小,主缆直径通常较小,因此成品缆索在中小跨径的自锚式悬索桥中北广泛采用。但较低的同时,往往造成索夹处缆索防护的破坏,如果防护不当容易引起主缆的腐蚀。本文通过分析缆索护套裂缝产生及扩大的原因,通过对索夹的改造,实现主缆的良好防护,对类似病害的解决起到抛砖引玉的作用。
Since the self-anchored suspension bridge is relatively small in economic span and the diameter of the main cable is relatively small, the finished cable is widely used in the middle and small span self-anchored suspension bridges in the north. However, at the same time, the damage to the cable protection at the cable clip often results in the corrosion of the main cable if the protection is inadequate. In this paper, by analyzing the causes of the crack and the expansion of the cable sheathing, the main cable can be well protected by the modification of the cable clamp, which can play a role in solving similar diseases.