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通过对室内试验和各种宏观液化现象中的超孔隙水压力分析发现,孔压比0.6是很有意义的临界值,当孔压比超过0.6以后饱和砂土层就将产生地基失效和隔震作用,并非一定要满足孔压比等于1.0才会产生宏观液化现象。
Through the analysis of excess pore water pressure in laboratory tests and various macroscopic liquefaction phenomena, it is found that the pore pressure ratio 0.6 is a significant critical value. When the pore pressure ratio exceeds 0.6, the saturated sand layer will generate ground. Failure and isolation effects do not necessarily satisfy the macroscopic liquefaction phenomenon when the ratio of pore pressure is equal to 1.0.