在 p、q、v应力 空间中存在一条临界状态线 ( Critical state line) ,称 为 CSL线,它是由试验值确定的土体破坏轨迹线, 临界状态线是硬化面与软化面的分界线。
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Based on the anisotropy induced by the critical state line, the idea of transformation of stress space is presented.
从土体极限应力状态线所致的各向异性出发，结合原状土的力学特性，给出了原状土的应力空间、应力增量变换公式。
The normal consolidation line, the critical state line and the strength envelope line are determined from the laboratory tests, and equations of these lines are given.
通过室内三轴试验测定出上海粘土的正常固结线、临界状态线及天然强度线，并给出各线的表达式。
The plastic deviatoric deformation becomes larger and larger and geomaterials tend towards to damage, when the stress state of geomaterials is close to the critical state line.
岩土体应力状态靠近极限状态线时，岩土体塑性剪切变形越来越大，趋于破坏；
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