Stress distribution modality in rock mass and root effect are also introduced. And the concept of safety storage coefficient is put forward.
阐释了锚索的根状效应和围岩应力场分布形态，提出安全储备系数概念。
The test provides a quantitative evaluating index for safety storage with overload coefficient.
试验中还通过超载系数，提供了一个安全储备的定量评估指标。
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