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- soft wall rock construction 软弱围岩施工
- On Construction of Soft Wall Rock in Fracture Zone of Tunnel 对隧道断层破碎带内软弱围岩施工方法的探讨
- Talking about the Tunnel Construction in the Soft Wall Rock 浅谈软弱围岩中的隧道施工
- Simulation of Large-span Highway Tunnel Construction with Soft Wall Rock 大跨度软弱围岩公路隧道施工过程仿真
- The ground pregrouting and pipe-roof protection method have been adopted to treat the soft wall rocks of shallow depth near the portal of Wulong tunnel in Yuhuai railway. 摘要采用地表预注浆和管棚超前预支护技术，对渝怀铁路武隆隧道进口段的浅埋、软弱围岩进行处理。
- A shallow burying and blind excavation construction technique used in large-span metro tunnels in soft wall rocks 软弱围岩浅埋暗挖大跨度地铁隧道施工技术
- Technical Analysis of Controlling Surface Settlement for Soft Wall Rocks Tunnel 控制软弱围岩隧道地面沉陷技术分析
- Technical Analysis of Timbering Beforehand in Tunnel Soft Wall Rocks 隧道软弱围岩超前预支护技术分析
- soft wall rock tunnel 软弱围岩隧道
- soft wall rock 软弱围岩
- Technique for Treating Soft Wall Rocks of Shallow Depth Near the Portal of Wulong Tunnel 武隆隧道进口段浅埋软弱围岩的处理技术
- Wall rock is a special medium of underground engineering and its stability affects directly production and safety. 摘要围岩是地下工程类特殊的介质，其稳定性直接影响到生产和安全。
- The paper carefully analyzes bolt supporting system, and measures the parameters of coal wall rock in Fuxin diggings. 本文对锚杆支护理论进行了系统分析，并对阜新矿区煤巷围岩的参数进行了实验测定。
- Secondly, simulation elicits wall rock transmogrification under the different coal pillar and different stress. 其次模拟研究分析了留设煤柱宽度不同时以及地应力大小不一时沿空巷道围岩变形情况，得到了一些认识；
- The results show that both ore body and wall rock have weak or strong rockburst proneness. 结果表明,该矿矿体和围岩均具有发生弱或强烈岩爆的倾向性。
- The main wall rock alterations of the Kangshan goldfield are silication,sericitization,carbonicacidation and pyritization. 康山金矿田围岩蚀变主要为硅化、绢云母化、碳酸盐化及黄铁矿化。
- In flat dip layer, the seam thickness control the stability of the wall rock, the thick-bedded hard rock is stable than the thin-bedded hard rock. 岩层厚度在缓倾斜时对围岩稳定起控制作用，厚层硬岩整体稳定性好于薄层状硬岩。
- Deep grooves channelled the soft rock. 在软岩石上形成许多深槽。
- The alteration distribution from ore body to wall rock is skarn-high silicification-low silicification-quartzification and carbonatization. 矿体至围岩明显有矽卡岩化-强硅化-弱硅化-石英、碳酸盐化的蚀变分带特征。
- The wall rock alteration characteristics and the relationship between wallrock alteration and the alteration model are set up in the paper. 对花山花岗岩体中金矿的围岩蚀变特征和围岩蚀变与金矿化的关系进行了研究,并建立了蚀变模式。
