软岩嵌岩桩承载有限元模拟方法研究

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Abstract The method of load transmission for deformation analysis of single pile is revised. On this basis，a perfected FEM simulation method is presented which can simulate the interaction between a rock-socked pile and rock or soil in soft rock. The transmission function is introduced in contact elements and the boundary conditions are treated by infinite elements. The influence of sediment is also considered. A computer program has been developed. We calculated and compared results with measured data，then used them to simulate a rock-socked pile in mud-sandstone around Nanning region. The results show that it is rational and feasible to use this program to simulate and analyze a single pile in soft rock. The simulated results give guidelines for construction and design of soft rock-socked piles.

Key words： rock-socked pile in soft rock bearing capacity FEM simulation method

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https://rockmech.whrsm.ac.cn/EN/Y2002/V21/I12/1854