Submerged floating tunnel across the river as a special new structures, and the immersed tunnel and large span bridge, with its unique advantages and application fields. According to the different ways of submerged floating tunnel support, mainly float floating tunnel, fixed support type floating tunnel, tension leg type suspension and cable type floating tunnel tunnel.

Among them, cable type floating tunnel stress the most reasonable, and therefore this article object of study for cable suspended tunnel. Cable as a submerged floating tunnel main bearing member, because of its high flexibility, little weight and damping characteristics, in the uniform flow and wave environment, prone to vibration.

When flowing through the anchor, anchor cable in the wake flow vortex usually with a specific frequency from the anchor opposite discharge, called the Carmen vortex. Under a certain flow speed condition, when the cable of self vibration frequency and swirl firing frequency is closer, that will happen " vortex-induced vibration, fatigue failure caused by anchor ". Anchor cable is suspended tunnel balance their own gravity, traffic load, water dynamic and hydrostatic buoyancy to the support system. Cable vibration characteristics of submerged floating tunnel stability is of vital importance to the whole, without considering the floating tunnel caused by cable parameter vibration, cable of horizontal vibration amplitude ratio transverse temperature flow vibration amplitude to one order.

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