...侧压系数 [gap=728]ds : nonuniform stress field; round tunnel;surrounding rock mass plastic zone;coefficient of horizontal pressure ...
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horizontal coefficient of earth pressure 静止侧压力系数
When the coefficient of soil pressure at-rest varies in proper range, the influence on the horizontal displacement of the excavation can reach 20%.
适当范围内对静止土压力系数进行的不同取值,对挡墙的水平位移的影响可达20%左右。
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