正常固结饱和粘性土孔隙水压力性状的研究 English Version
Studies on Pore Water Pressure Properties of Normally-Consolidated Clays
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摘要: 本文扼要总结了以往有关的成果,分析了孔隙水压力的主要影响因素。利用三种原状正常固结饱和粘土探讨了固结不排水三轴压缩试验中孔隙水压力和有效应力表达式,并由有效应力路径的唯一性提出一组适于不同总应力路径的孔隙水压力方程及土体临界孔隙水压力计算式,反映了土的非线性应力应变特性。本文的理论计算值与浙江炼油厂油罐地基实测孔隙水压力值比较接近。Abstract: Based on literatures on the titled subject, factors affecting the generation of pore water pressure were discussed herein. Conventional consolidated-undrained tri-axial tests were conducted on three undisturbed normally-consolidated clays, and nonlinear equations of pore water pressure, critical pore water pressure and unique effective stress path were proposed for various total stress paths, respectively. Comparison of some in-situ measurements and theoretical calculations showed that the agreement was good.
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