Abstract
It's easily damaged for stay-cable PE jacket during the setup process of stay-cable, due to incorrect choice of the sling clamp, or not proper rubber blanket of clamp, or incorrect clamping force. The full-scale experiment was carried out to study the compressive and tensile performance of PE jacket clamping by the clamp. And different clamp rubber blankets were compared. From the experiment, the proper clamping force, length of the clamp and the clamp rubber blanket were determined for Sutong Yangtze River Bridge, which is the largest-span cable-stayed bridge in service in the world. During the whole setup process of stay-cable of Sutong Yangtze River Bridge, the situation of cable clamp sliding or PE jacket crushing was never happened, which ensured the construction security, quality and operation life of the stay-cable.
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