The variation of stress state and strain state induced by tunnel shield driving in soils is studied, and the variation of soil mechanical properties is studied too in this paper.
本文主要研究隧道盾构掘进施工中周围受扰动土体应力状态和应变状态的变异，以及由土体应力状态和应变状态的改变引起土体力学性质变异的特性。
It is a simple and effective way to analyze soil mechanical properties by means of earth pressure model considering time-displacement effect and back-analysis based on site test data.
采用考虑时间和位移效应的土压力模型和基于现场实测资料的反分析方法来分析土体受力特性，是简单且行之有效的。
The tailing is different from common soil in the relation of the physical and mechanical properties (such as dry density and strength) with the stockpiling depth.
尾矿的物理力学性质如干密度、强度等与其堆存深度关系的密切程度与一般的土有较大的区别。
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