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- potential unstable rock mass 危岩体
- Potential unstable rock masses 危岩体
- Abstract This paper presents the transformation situation of the hoist system for service shaft and the successful experience of driving hoist room in the break and unstable rock mass near to surface. 本文介绍了金厂峪金矿副并提升系统改造概况和在破碎不稳固的近地表岩体中开挖卷扬机硐室获得成功的经验。
- unstable rock mass 危岩
- This article emphasizes a prediction of overbreak,the unstable wedge, for openings in jointed rock mass. 本文着重于岩体中洞室超挖-不稳定楔形体的预测。
- STUDY ON STABILITY EVALUATION OF UNSTABLE ROCK MASSES ON RIGHT BANK HIGH ALTITUDE SLOPE IN THE FIRST STAGE JINPING HYDROPOWER STATION 雅砻江锦屏一级水电站坝区右岸高位边坡危岩体稳定性研究
- Unloading rock mass mechanics II. 卸荷岩体力学2。
- The rock mass produced by an intrusive process. 侵入岩浆岩浆侵入过程中生成的岩块
- unstable rock masses 危岩体
- Simultaneously, the displacements of the rock mass were monitored. 与此同时,还对矿房围岩的变形进行了监测;
- In thesis some special -minings were analysesed and discussed for the unstable rock -surrounded ore body under well in baoshan lead zinc silve r mine. 针对湖南宝山铅锌银矿井下不稳固围岩内矿体,就几种特殊采矿方法进行分析和探讨。
- The unstable rock body with syncline structure on the right abutment of Danjiang arch dam are analyzed under the thrust from arch dam. 单江拱坝右坝肩存在一个向斜岩体结构,在拱坝推力作用下,有可能滑动破坏。
- A fracture or crack in a rock mass along which no appreciable movement has occurred. 裂缝,裂口岩石块中的碎片或缝隙,在其周围未发生过可被觉察到的运动
- Theory and practice of grouting drainage and anchorage of rock mass II. 岩体灌浆排水锚固理论与实践2。
- Chen, H. (1987) The Assessment of Failure Vulnerability on Potentially Unstable Slopes, Memoir of the Geological Society of China, No.9, Pp.525-536. 陈宏宇(1979)山坡地在双溪社区开发上所造成的工程地质难题;大地之声;第87-96页.
- There is a large scale of dynam-relaxed rock mass lies in Daliushu dam site. 大柳树坝址区存在大面积、大范围的岩体松动破坏现象。
- Cleavage and fracture have a strong impact on blasted result for rock mass. 摘要节理裂隙对岩体爆破效果有很大的影响。
- Application of caving mining technology with bottom under condition of flat dipping mid-thick body and unstable rock caused the most of trench and bottom drift, located in abutment , to be destroyed and low recovery in south area, Xishimen Iron Mine. 摘要在缓倾斜中厚矿体底板岩性不稳固的条件下,采用有底柱崩落法,由于电耙道大多处于空区边部应力集中的部位,致使堑沟及底部结构巷道破坏严重而使回收率极低,采用无底柱崩落卸压则可有效解决上述难题。
- The formulas of rock mass displacements and deformations are devel... 通过工程实例分析表明,理论预计结果与现场实测结果吻合。
- When the rock mass of dam abutment is enclosed by faults, joint fissures and bedding planes, it is necessary to carry out holistic anti-slide stability analysis in order to make the abutment withstand potential slide. 摘要当拱垻垻肩岩体为断层、节理裂隙、层面等结构面所围成,有可能産生滑移时,就应进行整体抗滑稳定分析。
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