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- low strength weak rock roadway 低强度软岩巷道
- App. Of combination support of high strength bolt with bolting rope in weak rock roadway 高强锚杆与锚索组合支护在软岩巷道中的应用
- According to the above study and the successful experiment repairing the weak rock mass roadway with bolt-grouting support in Jincuan No.2 mine, the auth... 根据在金川二矿区进行不良岩层支护试验的实践经验和金川不良岩层巷道支护原则,给出了适用于各类不良岩层巷道的支护设计方案。
- These materials exhibit low strength. 这些材料具有低强度。
- Flux entrapped in the joints is the principal cause of low strength or failure. 裂缝中封存有焊药是强度不足或断裂的主要原因。
- semi coal and rock roadway with weak floor 半煤岩软底巷道
- Rock avalanches originate on over-steepened slopes in weak rocks. 岩石崩塌起源于陡峭的高坡上不牢固的岩石。
- Controlled Low Strength Material (CLSM) is a self-compacted, flowable material. 可控制性低强度混凝土(CLSM)具备高度流动性以及自我填充之特性。
- Time on his strength weak, the tall person instead is to block his calf and flings him to the one side. 就在他力量一弱之际,高个子反而拌着他的小腿,将他甩到一旁。
- When reassembling apply a drop of low strength thread lock to disc holder. 在重新组装时,将一个低强度螺纹装置锁到阀瓣支架上。
- Soft rock roadway has the character of continuous plastic deformation. It's difficult to control using the single supporting way. 高应力软岩巷道具有持续塑性变形破坏特征,单一支护方式难以控制。
- The important measures to reduce yarn strength weak link and advance loom efficiency are using drawing machine with au... 在前纺工序采用自调匀整并条机、电脑粗纱机,是减少成纱强力弱环,提高织机效率的重要措施。
- Supporting technique in deep-seated high stressed soft rock roadway is always one of the puzzles in underground engineering field at home and abroad. 深井高应力软岩巷道支护一直是国内外地下工程支护的难题之一。
- For example, relatively soft material, such as soil, gravel, loose or weak rock, can be removed by digging. 例如,像土壤、砾石和松石那样的松软剥离物,可挖掘剥离。
- Directing to the problems existing in goaf roadway in soft rock roadway,find out the optimum solvent and make goaf roadway technology all_round way spread. 针对沿空送巷在软岩地区存在的几个问题,提出解决措施,找到解决问题的最佳办法,使沿空送巷技术得到全面推广。
- In the limit, for very weak rock, settlement at the boundary can also occur before the separation crack. 在极限情况下,对于非常软弱的岩石,形成分离裂缝之前,也会发生边界处的沉陷。
- Technique of secondary bolt/shotcreting support for deep rock roadway, with the East Main Roadway deep to 1 300 m in Suncun Coal Mine as an example, was analyzed. 摘要以孙村煤矿埋深1300m的东大巷应用为例,系统分析了深部岩巷锚喷二次支护技术。
- Technique of secondary bolt/shotcreting support for deep rock roadway,with the East Main Roadway deep to 1 300 m in Suncun Coal Mine as an example,was analyzed. 以孙村煤矿埋深1300m的东大巷应用为例,系统分析了深部岩巷锚喷二次支护技术。
- For example, BH steel under low strength is pressed and baking finish to improve its strength of extension. 例如BH钢板是在低强度的条件下,经过冲压成形之后,进行烤漆加工热处理,以提高其抗拉强度。
- Maranini, E. , M. Brignoli (1999) : Creep behaviour of a weak rock, a experimental characterization. Int. J. of rock mech. and mining Sci. 36, 127-138. 林士彦(1998):中强砂岩力学性质初步研究。国立台湾大学土木研究所硕士论文,台北。