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- Their use made the design of roadway surrounding rock supporting safer. 这些结果的应用使巷道岩石支护的设计更趋于安全。
- surrounding rock support 围岩支护
- Study on Surrounding Rock Supporting Pressure of Floor Roadway During Short Distance Coal Seam Combined Mining 近距离煤层群联合开采底板巷道围岩支撑压力研究
- Anchor concreting is an effective support technique to control surrounding rock deformation and keep tunnel stability. 锚杆注浆是一种行之有效的控制围岩变形和保证巷道稳定的支护技术。
- Based on the idea,a new extensible bolt is designed for large deformation support of surrounding rock. 室内与现场试验证实了新型可伸长锚杆协调围岩大变形的优良性能,可在围岩大变形支护中推广应用。
- It is possible to use Gurit without damaging the surrounding rock. 使用古力特炸药将完全可能不造成对围岩的破坏。
- To strengthen loose surrounding rock,we can support and strengthen it by hollow grouting anchor so as to modify and stabilize its structure. 为了加固松动的围岩,可通过用中空注浆锚杆对其进行支护和加固,达到改良和稳固其结构的目的。
- It is found that the main problems are the uncoupled strength and the uncoupled regidity between the support and the surrounding rock in the soft rock. 文中认为目前煤矿软岩巷道支护存在的主要问题是支护体与围岩之间的强度或刚度的不耦合问题。
- The surrounding rock of 9300 drift is of plastic soft type. Because of great ground pressure, rock movement and long action duration, the support facilities were destroyed. 9300平巷由于围岩为塑性软岩体,地压、位移大,且持续时间长,因而巷道支架破坏严重。
- In this paper,FLAC is adopted to simulate the surrounding rock stability of a belt drive conveyor cavern of Yangquan mine district during excavation and support by steps. 运用有限差分数值计算软件(FLAC),模拟分析了阳泉三矿芦南分区胶带驱动机硐室在分步开挖过程中围岩的稳定性。
- The practices showed that the two stage coupling grouting technology is an effective access to solve the difficult support problem of the incompact and fractured surrounding rock. 实践表明,两步耦合注浆技术是解决松散破碎围岩支护的有效途径。
- The drilling fluid may interact with the surrounding rock in other ways. 钻井液可能会以其它方式与周围的岩石相互作用。
- If the volcano becomes inactive and cools, surrounding rock may be worn away. 如果火山变得不活动并冷却下来,围岩就可能被剥蚀掉。
- Study on Acting Law of Surrounding Rocks Supported by High Stress Coal Lane Bolting 高应力煤巷锚杆支护围岩活动规律研究
- A change within an intrusive igneous rock caused by the assimilation of portions of the surrounding rock. 内变质作用由于周围岩石同化作用而在侵入火成岩内部产生的变化
- The rockbolt support rapidly develops in recent years,Application in controlling in tunnel surrounding rock is also more and more broad,especially Australia-American-United Kingdom etc. 近年来锚杆支护技术快速发展,在巷道围岩控制中的应用也越来越广泛,尤其是在澳、美、英等锚杆支护技术先进国家。
- The action of the support in preserving stability of surrounding rock masses is analyzed and its effect is proved being remarkable with using Kelvin-Voigt model and visco-elastic theory. 最后应用粘弹性理论,分析了锚注支护对具有流变特性围岩在维护其稳定性方面的作用。计算结果表明,锚注支护对维护破碎围岩的稳定具有显著效果。
- The key of solving these problems is to make clear of the interaction between surrounding rock and initial support, which will increase the depth of tunnel and ensure the tunnel's safe employment. 弄清围岩与初期支护的相互作用是解决这些问题的关键,也是推动隧道向纵深发展和安全使用的保证,迫切需要深入的研究和探索。
- In the interaction process of surround rocks and support,the roof beam suffers from loading and unloading experience. 在支架围岩相互作用过程中,支架顶梁有一个先承载后卸载的过程。
- The Relations Between Rockburst and Surrounding Rock Stress in Underground Chambers. 地下洞室中岩爆与围岩应力的关系。