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本文在固结理论的基础上,通过考虑土工织物散体桩的排水能力,分析其在地震荷载下的减压作用,并考虑桩土之间的渗透关系,推导出超孔隙水压力的解析解公式。解析解公式中包括符合实际的初始条件和边界条件。因为初始条件和边界条件对地震期超孔隙水压力的产生、扩散和消散影响很大,该文结合实际算例,对推导出的解析解公式进行一定的量化和对比,从而验证了本文理论解析解的有效性、正确性和适用性。
Based on the theory of consolidation, the analytical solution of excess pore water pressure is deduced by considering the drainage capacity of geotextile pile, analyzing the decompression effect of the pile under seismic load and considering the relationship between pile-soil infiltration. formula. The analytical solution includes realistic initial conditions and boundary conditions. Because the initial conditions and the boundary conditions have a great influence on the generation, diffusion and dissipation of the excess pore water pressure in the earthquake period, this paper combines the practical examples to quantify and compare the analytical formulas derived from the analytical results, thus validating the theoretical analysis The validity, correctness and applicability of solution.