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Discussion on small pillar support roadway bolt support 小煤柱护巷锚杆支护探讨
Applieation of roadway bolt support in Luxi coal mine 煤巷锚杆支护在鲁西煤矿的应用
Application of roadway bolt support technology in near seam high stress area 近煤层、高应力区煤巷锚杆支护技术应用
Research on the design of actual mining roadway bolt support in Zhengyang mine 正阳矿回采巷道锚杆支护设计的研究
Design of roadway bolt support in island comprehensive caving working face based on ground stress measarement 基于地应力测试的孤岛综放工作面巷道锚杆支护设计
STUDY ON CONTROLLING MECHANISM OF SURROUNDING ROCKS OF GOB-SIDE ENTRY WITH COMBINATION OF ROADSIDE REINFORCED CABLE SUPPORTING AND ROADWAY BOLT SUPPORTING, AND ITS APPLICATION 锚杆支护巷道巷旁锚索加强支护沿空留巷围岩控制机理研究及应用
roadway bolt supporting 煤巷锚杆支护
Bolt support gives good expression to top slope pressure roadway, it guarantees stability of supporting and driving speed of coal winning. 尤其是在顶帮压力较大的巷道中,锚杆支护的优越性得到了充分的体现,保证了巷道支护的稳定性和回采的快速推进。
By appling surround rock strength theory,stiffener theory,and observating weighe of 2 # seam bolt support in Ximing Coal mine,determines the rational position of roadway and bolt paramters. 通过运用围岩强度强化理论和“刚性梁”理论,对2%23煤层的锚杆支护进行矿压观测,合理确定出巷道位置和锚杆参数
This paper introduces thinking and parameter of design for bolt support with covering deeply on road driving next goaf with specific geological condition of 2102 roadway of Chensilou coal mine. 结合陈四楼煤矿2102机巷的具体地质条件,介绍了大埋深沿空掘巷锚杆支护的设计思路、设计参数。
Anchor drilling machine also effects rapidity of anchor bolt support. 锚杆钻机又直接影响到锚杆支护的速度。
Practice of bolt support in deep soft rock roadway 深部软岩巷道锚杆支护实践
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。
Our products are broadly applied in mining, roadway bolting, road construction and oil drilling fields. 以上产品广泛用于煤矿开采、巷道支护、道路建设及石油钻探等领域。
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。
In slicing seams,bolt supporting was utilized under false roof and obtained good result. 介绍在分层开采煤层中,在假顶条件下实现锚杆支护。
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。
Bolt supporting is the main means for supporting in exacavating,and it may combined with steel belt,mesh,beam and rope to be use. 锚杆支护是煤矿巷道掘进过程中一种主要支护形式,可以与钢带、金属网、工字钢梁、锚索配合使用。
With application and dissemination of bolt supporting technique,the importance and necessary of mine pressure monitoring are recognized. 随着锚杆支护技术的不断推广应用,人们已经认识到矿压监测的重要性和必要性。
Under the explosive load,shotcrete and rock bolt support and integral lining structures are usually used for chambers in rock mass. 在爆炸荷载作用下,岩体洞室通常采用喷锚支护结构和整体被复结构。