The stress field and plastic zone of the main roadway and the branch roadway from 225 to 625 m depth below ground level of Qixiashan mining in Nanjing are studied by using finite element method(FEM).
通过有限元计算，分析南京栖霞山矿巷道的稳定性以及巷道在不同的支护条件下的应力场和塑性区情况，得出不同埋深时主巷道和穿脉巷道较为合理的支护方式。
The paper described the development plan, the selection of seam location and the arrangement methods of main roadway in Jinchang Coal Mine from the designing aspect under present geological condition.
在现有矿井地质条件下，从设计方面论述了晋昶煤矿的开拓方案、选择大巷层位及设计大巷布置方式。
As the main carrier of urban traffic, urban roadway system's limitation on traffic is the important aspect of cause of problem.
城市道路系统作为城市交通的主要载体，它对交通的制约因素是问题成因的重要方面。
The structure of surrounding rock is one of main factors which affect the result of grouting to reinforce a roadway.
围岩结构特性是影响巷道围岩注浆加固效果的主要因素之一。
Through analysis to weak coalbed and harmfulness to roadway, main haulage roadway and room supporting design and adaptability condition are discussed in weak coalbed.
通过对松软煤层的性质及其对巷道的危害分析，探讨了松软煤层中主要运输巷道及硐室支护设计形式及适用条件。
Bolt support has been the main support form of the mine roadway in the under - ground engineering because of its obvious technical and economical superiority.
由于锚杆支护显著的技术经济优越性，已成为矿井巷道等地下工程支护的主要形式。
This paper introduces controlled blasting technology on signal chamber of pit-bottom and main haulage roadway, which are of complex condition, lithological character and highly security.
介绍了采用控制爆破技术施工位于井底车场及主要运输大巷的信集闭峒室，条件复杂，岩性变化大，要求安全性高。
The main factor causing destruction of roadway in tectonic stress field is found to be the high tensile strain, which appears after the coal seam above haulage roadway is mined.
提出在构造应力场中，开采运输巷道上方的煤体使巷道产生拉伸形变是巷道破坏的主要根源。
Insulating and cooling technology for high temperature strata roadway in deep mine is studied, and the main purpose of the research is to provide design parameters for cooling of deep mine roadway.
为深井巷道降温提供设计参数是深井高温岩层巷道隔热降温技术研究的主要目的。
The results show that non-uniform thin-walled stress is the main reason of the frequent rock burst in driving roadway.
结果表明：非均匀薄壁应力现象的存在，是掘进工作面岩爆频发的重要原因；
The results show that there are great differences in the stress of roadway surrounding rock, and the stress and strain in coal pillar while the fracture line of main roof locates in different places.
研究表明，基本顶断裂线位于不同位置时，巷道围岩应力、煤柱应力及应变差异较大。
The results show that there are great differences in the stress of roadway surrounding rock, and the stress and strain in coal pillar while the fracture line of main roof locates in different places.
研究表明，基本顶断裂线位于不同位置时，巷道围岩应力、煤柱应力及应变差异较大。
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