您要查找的是不是:
- The observation and behaviour of ground pressure in deep and high stress coal roadway 深部高应力煤巷矿压观测与显现
- high stress coal roadway 高应力煤巷
- Trial study on internal grouting bolt support for coal roadway in high stress and structure zone 高应力构造复杂区煤巷锚注支护试验研究
- 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
- Focussed Relaxation in High Stress Situations. 高应力集中缓和局势.
- And they are almost twice as likely to have high stress levels. 此外,年轻人精神压力过大的几率高出近一倍。
- SUN Xue-yi.Grouted rock bolt used in underground engineering in soft surrounding rock or high stress region[J].Journal of China Coal Society,1984,9(2):61-69. [4]孙学毅.;高应力地区和软弱围岩地下工程砂浆锚杆[J]
- 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。
- Existing Problems of Coal Roadway Bolting Technology in Datong Coalmines Group Co. 煤巷锚杆支护技术在同煤集团应用中存在的问题。
- The results show the combined roof trusses has a practical support effect in coal roadway. 研究表明组合桁架锚杆对煤巷具有良好的支护效果。
- Poor machining quality of drillpipe of coal roadway drilling machine and the cause of rupture on case are analysed. 分析了煤矿用坑道钻机钻杆的加工质量问题和现场使用时产生断裂的原因。
- The highest stress range occurs near the support. 其最高应力范围发生在近支撑处。
- Must be able to work effectively in a fast paced high stress environment. 必须能够在高压力的环境下迅速而有效地工作。
- The combined support with cable bolt wire mesh and shotcreting is applied in coal roadway in Xingan Coal Mine of Hegang Mining Industry Group. 鹤岗矿业集团兴安煤矿在煤巷中应用锚索锚杆挂网喷喧支护,取得了较好的技术经济效果。
- In 1997, the Xingtai Mine succeeded in using bolting &boltmesh supporting tech. in coal roadway(supporting the top coal along the bottom). 1997年,邢台矿在全煤(沿底托顶煤)巷道采用锚杆加锚索的支护技术获得成功。
- With grouting-bolting as the kernel, pre-stressed anchor rope truss as the assistant, the combined supporting system solved the supporting problem in deep-seated high stressed soft rock roadway. 通过以锚注为核心、预应力锚索和锚索桁架为辅助的的锚注联合支护体系解决了深井高应力软岩巷道的支护问题。
- According to the experiences with rapid drilling in mechanized caving coal roadway, the author analyzes and proposes the measures to improve drilling - speed. 根据多年机掘煤巷快速掘进施工经验进行因素分析并提出了进一步提高快速掘进的措施。
- Owing to the the fact that the difficult-to-work seams account for over 90% of these worked by hydromines,tbe coal roadway bolting technique has made slow progress. 由于煤层地质构造复杂,煤厚变化大等难采煤层条件在水采矿区占90%25以上,故水采矿井煤巷钻杆支护技术发展缓慢。
- Study of Coupling Support in Soft Rock Roadway Under High Stress 高应力软岩巷道耦合支护研究
- Study on deep soft rock roadway support in high stress area 深井高应力软岩沿空回采巷道安全支护研究