Because the natural stress field is changed due to tunneling roadway, a stress concentration area appears in rock of surrounding roadway that cause roadway deformation or destruction.
由于巷道掘进破坏了原岩地应力场，使围岩应力重新分布，应力集中区的高应力造成巷道变形破坏。
The fractured surrounding rock is taken as reference object, and a model test is carded out to study the progressive destruction of vertical rock slope.
以软弱破碎围岩为参照对象，利用模型试验对直立岩质边坡的渐进性破坏进行了研究。
The results show that tectonic stresses have influence upon the bearing capacity, the destruction form, and the surrounding rock displacement rule of three lane road tunnel.
研究结果表明，构造应力对三车道公路隧道的承载能力、破坏形态、位移规律都有很大影响。
应用推荐