您要查找的是不是：
- coal roadway rock 煤巷围岩
- By means of similarity-simulation test the authors have studied the displacement law of surrounding rock in coal roadway supported by the roof trusses,bolt-mesh shoterete and H-beam steel. 通过相似模拟试验，研究煤巷采用组合桁架锚杆、锚架网和工字钢支护时的变形玻坏规律，由此对比分析探讨组合桁来锚杆的支护效果。
- 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 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。
- 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。
- Application of Rock Bolting in Coal Roadway with Broken Roof 破碎顶板煤巷锚杆支护的应用
- New method for classifying the surrounding rock of coal roadway 煤巷围岩分类的新方法
- Keywords FLAC;coal roadway;rock bolting;design system; 数值计算;锚杆支护;设计系统;
- roadway rock of driving along goaf 沿空掘巷围岩
- Practice of Rock bolt Support in Coal Roadway with Large Cross-section 大断面煤巷锚杆支护技术实践
- The Trial of bolt-mesh support on coal roadway 煤巷锚梁网支护试验
- Testing method of bolting support in coal roadway 煤巷锚杆支护的监测方法
- Coal roadway influenced by mining 采动煤巷
- bolting with wire mesh technique for coal roadway 煤巷锚网支护技术
- Schemes of Roadway Rock Reinforcement by Ma-Li-Shan Material 马丽散加固巷道围岩技术方案之探讨
- Application of Denser Grouting in Coal Roadway Maintenance 挤密注浆在煤巷修护中的应用
