The maximUm difference of failure strength among various principal stress direction is up to 30%.
不同主应力方向的破坏强度最大差别可达30%。
While direction of previous main faults that intersect the maximum principal stress by minor Angle also probably becomes the major migration direction of oil and gas.
与最大主应力小角度相交的先期主要断裂的方向也可能成为油气运移的主要方向。
Results show that the displacement in horizontal direction and the maximum principal stress of core wall will increase to a larger extent if the creep effect of asphalt concrete is considered.
分析结果表明，考虑蠕变效应，心墙的水平变形与最大主应力将有较大的增加。
When the direction of tunnel axis is vertical to the maximum principal stress, the depth of BEDZ is larger than that of which the direction of tunnel axis is parallel to the maximum principal stress.
隧洞轴线垂直于最大主应力时的钻爆开挖损伤明显要大于轴线平行于最大主应力时的情况；
When the direction of tunnel axis is vertical to the maximum principal stress, the depth of BEDZ is larger than that of which the direction of tunnel axis is parallel to the maximum principal stress.
隧洞轴线垂直于最大主应力时的钻爆开挖损伤明显要大于轴线平行于最大主应力时的情况；
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