【摘要】 边坡岩土体含水率将直接影响边坡的稳定性,尤其全风化板岩对水更为敏感。文章根据平面应变条件下的楔形体理论,分析了全风化板岩路堑高边坡开挖后坡体的应力场,并根据安全储备后的摩尔-库仑强度准则和单轴抗拉强度准则分析了不同含水率时的边坡开挖扰动效应,揭示了边坡开挖引起的稳定性变化,为工程实际开挖和有效地加固提供理论支持。更多还原

【Abstract】 Different ration of water inside rock and soil influences the slope atability, especially the weathered slate is much sensitive to water. According to the wedge theory under plane strain condition, analysis are proposed on not only the stress field of the excavation of high cut slope on completely weathered slate but also on the excavation disturbance effect under different moisture content according to Mole-Coulomb strength criterion and uniaxial tensile strength criterion after safety margin, providing theoretical support to the actual excavation works and effective reinforcements.更多还原