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The Research of Flow Resistance Property in the Tugging and Mooring of Tube Segment

The tube tugging and mooring is the key step in the process of the immersed tunnel, and the most important theoretical is the calculation of water flow force. According to the numerical simulation and physical model of the tube in the Pearl River, the difference value of the flow resistance coefficient can be calculated. The fluent software is used to simulate the process of the tube tugging and mooring. On the basis of the empirical data of the tube experiment in the Pearl River, the flow resistance coefficient is obtained in the process of the tube tugging.