The effect is analyzed on stress and displacemnent field,which resulted from different pa-rameters of strain-softening,shear dilatation,hydrostatic stress field.
运用所得公式，分析了不同软化程度，不同剪胀特性和初始地应力场对球形孔扩张时，应力、位移及塑性区开展规律的影响。
参考来源 - 考虑剪胀的弹脆塑性软化球形孔扩张问题·2,447,543篇论文数据，部分数据来源于NoteExpress
The rebar bolts reinforcement improves the confining pressure near excavation and suppresses the large shear dilatation of rock mass.
螺纹钢螺栓加固附近挖掘和提高了围压，抑制大剪胀岩体。
The results prove that roughness of joints takes relatively strong effects on the field of displacement, property of contact and shear dilatation of rock.
节理的粗糙性是影响岩石节理剪切力学特性的重要因素。
When the dry density is relatively high, this dense specimen shows shear dilatation characteristics, and the effective principal stress ratio tends to be strain softening phenomenon.
干密度值较高时，土样处于密实状态，表现出剪胀特性，有效主应力比-应变曲线近于应变软化型；
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