1) stress of surrounding rocks Calculation
围岩应力计算
2) surrounding rock stress
围岩应力
1.
Some distribution rules of surrounding rock stress of large-span tunnel are summarized to provide the reasonable references to design and.
运用有限元法的基本原理,依托处于设计阶段的惠州—深圳牛湖山双洞六车道高速公路隧道这一实际课题,对断层所在区段的围岩应力状态进行数值模拟和分析,并探讨断层位置对围岩施工力学响应的影响,总结断层地段大跨度隧道围岩应力的一些分布规律,为该隧道及类似工程项目今后的设计施工提供合理的参考依据。
2.
Some distribution rules of large-span tunnel surrounding rock stress are included,in order to provide the reasonable foundation for similar engineering construction in future.
运用有限元法的基本原理,对处于设计阶段的广东惠州牛湖山双线六车道高速公路隧道的围岩应力状态进行了数值模拟和分析。
3.
2 mining area are analyzed;in term of geologic structure,surrounding rock stress distribution embark,and the influence of high strength mining,the surface crack subsidence formation mechanism and the influence factor has been discussed.
通过裂缝区调查、测绘与槽探,揭示了地表裂缝区范围与特征;从沉降裂缝区的形成、岩体移动与变形规律及沉降裂缝发展趋势分析了金川二矿区地表裂缝沉降变形规律;由矿区地质构造、围岩应力分布出发,结合高强度采矿活动的影响,探讨了地表裂缝沉降的形成机制及影响因素。
5) Stress of surrounding rock
围岩应力
1.
With the Mohr-Coulomb criterion,the relationship between the roadway supporting force and the stress of surrounding rock,and the relationship between the roadway supporting force and the radius of plastic zone with different rock mechanical parameters were analyzed before and after the emergence of the plastic zone in surrounding rock.
采用库伦-莫尔理论,对巷道围岩出现塑性区前后支护力与围岩应力之间的关系,以及不同塑性区力学参数下支护力与巷道围岩塑性区半径之间的关系进行了研究。
6) stress field of surrounding rocks
围岩应力场
1.
The results show that the stability,possible moving pattern,sliding plane or combined sliding plane and sliding direction of blocks are controlled by stress field of surrounding rocks.
研究结果表明,围岩块体稳定性、可能运动方式、滑动面(或滑面组合)以及滑动方向均显著地依赖于围岩应力场状态。
补充资料:围岩
见矿体。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条