粉质粘土蠕变润湿试验研究

D. Qi, Jianxin Yang, Yuehan Liu
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引用次数: 0

摘要

为了研究高速公路粉质粘土路基的润湿作用,进行了大量的室内试验。试验结果表明,粉质粘土在浸水作用下的蠕变变形不可忽视,但与湿润作用下的蠕变变形有所不同。土体的蠕变特性受多种因素的影响。在不同的应力条件下,土体会表现出不同的性质。为研究重庆粉质粘土在不同应力水平下的润湿蠕变特性,进行了一系列三轴润湿蠕变试验。引入Singh-Mitchell蠕变方程,建立了重庆粉质粘土水系蠕变模型,并对模型参数进行了讨论。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Experimental study on creep wetting of silty clay
To study the wetting of a silty clay subgrade in an expressway, many laboratory tests were carried out. The test results show that the creep deformation of silty clay under water immersion cannot be ignored, but it is different from the deformation caused by wetting. The creep properties of soil mass are affected by many factors. Under different stress conditions, the soil mass will show different properties. In order to study the creep characteristics of silty clay in Chongqing under water wetting and different stress levels, a series of triaxial water wetting creep tests were carried out. The Singh-Mitchell creep equation was introduced to establish the creep model of silty clay drainage in Chongqing, and the parameters of the model were discussed.
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