The influences of the Angle of internal friction, the Angle of wall friction to the direction of principal strain rate are analyzed.
分析了内摩擦角、壁面摩擦角对最大主应变率方向的影响。
When it was tensile failure, the curve of stress-strain relationship was softening and the reinforcement only increased the angle of internal friction of soil.
当发生拉断破坏时，其应力-应变曲线为软化型，此时加筋仅增加土体的粘聚力分量；
The results indicate that elastic modulus, the angle of internal friction, and cohesive stress of the backfill are main factors affecting the stability of the slope.
结果表明，土体的弹性模量、内摩擦角与粘聚力是影响边坡位移的重要因素。
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