The phenomenon of underground pressure and principle of surrounding rock control of deep shaft coal roadway are introduced.
分析深井煤层巷道围岩变形特征和支护失效的原因，提出此类巷道的内外结构耦合平衡支护原理。
The deformation feature of deep shaft coal roadway is analyzed, and the reason for many kinds of support failures is studied.
分析深井煤层巷道围岩变形特征和支护失效的原因，提出此类巷道的内外结构耦合平衡支护原理。
This paper analyzes the problems appearing in the bolt support construction of coal roadway, and advances some solving measures.
分析了煤巷锚杆支护施工中出现的问题，提出了相应的解决措施。
Based on the occurring mechanism of slough rock burst, the mechanism to weaken shock with bolt support in coal roadway is analyzed.
从片帮型冲击矿压发生的机理出发，分析了煤层煤巷采用锚杆支护减冲的机理。
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。
This paper puts forward support plan through analyzing strata behavior regularity of coal roadway in seam with soft roof, soft coal and soft floor.
文章通过对永华煤矿“三软煤层”煤巷矿压规律进行分析，提出了支护方案。
The coal roadway driving is a "bottleneck" problem of influencing and restricting the normal replacement of mining and driving in the outburst mines.
煤巷掘进一直是影响和制约突出矿井采掘正常接替的“瓶颈”问题。
Practice showed that high pre-stress anchored bolt with high strength was effective method for controlling deformation of deep coal roadway with combined roof above gob.
实践证明，高预应力高强锚杆组合的围岩强化控制技术是控制深井厚复合顶板采空区上方煤巷围岩变形的有效方法。
Finally, a calculation example was showed, and the results indicated that the roof separation critical value of gob-side roadway is more than that of solid-coal roadway.
最后根据一回采工作面的基本条件，试算了两类煤巷的顶板离层临界值，并与实际观测数据进行了对比和分析。
This paper theoretically analyzes the mechanism of truss bolt system, and gives the design of coal roadway support according to the characteristics of the "Three-soft" coal roadway.
从理论上分析了桁架锚杆系统的作用机理，并针对“三软”全煤巷道的特点，制定了全煤顺槽桁架支护方案。
The measurement method is demonstrated valid in outburst elimination by the examination of remnant gas pressure, pre-drainage rate and the zonal verification during the coal roadway driving.
残余瓦斯压力和预抽率的检验以及煤巷掘进期间的区域验证，均证明按该方法布置的预抽钻孔，消突效果有效。
Many dynamic disturbances often lead to local instability of roadway surrounding rock and mining workplace and result in rock burst in coal mining.
煤矿生产中存在着大量的动力扰动，常导致采矿巷道和采场围岩局部失稳，诱发冲击矿压发生。
Take new built mine seam for example, expound the advantages of leaving roadway fashion of concrete coal refuse cinder cement stone wall, and make analysis of technical economic.
以典型的新建煤矿煤层为例，阐述采用水泥煤矸碴胶泥砌筑石墙留巷方式的优点，并进行技术经济分析。
The excavation sequence is the key to the roadway stability in long-span full coal drift.
大跨度全煤巷道开挖顺序是关系到巷道稳定性的关键。
It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinwen coal mine area.
对新汶矿区深部煤巷支护形式的和支护参数的选择具有一定的指导意义。
Adopting this method, coal recovery ratio can rise over 10% and roadway driving speed may increase over one times with its cost decreasing by 30%.
使用该方法能够提高煤炭采出率10%以上，提高巷道掘进速度1倍以上，降低掘进成本30%。
When advancing and uncovering coal in roadway, better construction method is vibration shot, metal framework, borehole bleed-off and hydraulic hole, of which vibration shot is principal.
井巷掘进揭煤时，较好的施工方法是震动放炮，金属骨架，钻孔排放和水力冲孔，尤以震动放炮为主。
The prerequisite of rock burst occurrence is that the elastic energy in coal and rock mass around coal mine roadway and stope has accumulated enough.
冲击地压发生的前提是矿山井巷和采场周围的煤岩体中储存了足够的弹性能。
Most rock roof of roadway is sediment rock, so its intensity is low, the stratification is a common rock mass structure in coal mines.
煤巷顶板多数是岩体强度较低的沉积岩，层状岩体结构是沉积岩的主要特征之一。
The numerical analogy has been adopted to study the mechanic features influencing stress distribution in coal and rock around the roadway in order to control rock burst disasters.
为了治理冲击矿压灾害，采用数值模拟方法研究了井巷周围煤岩体的力学特性对应力分布的影响。
This paper analyzed and calculated width of coal pillar for driving roadway along gob.
对沿空掘巷时煤柱的留设问题进行了分析和计算。
Through adpting U-steel bolting with wire mesh in 21 dip of Lugou coal mine, condition of roadway supporting is improved, technological and economic results are gained.
芦沟矿21采区下山通过采用U型钢-锚网支护，改善了巷道支护状况，取得了明显的技术经济效益。
An effort has been also made to diagnose the dynamic causes of displacement of the surrounding rocks and the occurrence of changes of bearing stress in roadway coal pillars.
分析了沿空留巷围岩移动的力学根源和巷道煤帮内支承应力变化的规律。
Study was conducted on the roof of No. 3604S4 coal face and the actual mining roadway with fractals, and a few kinds of functional values of subsidence velocity of this face were obtained.
用分形对3604S4工作面和回采巷道顶板进行了研究，得到了该工作面下沉速度的几种分维值。
Meanwhile, on the roadway within the coal and gas outburst shock wave propagation characteristics are studied and summarized.
对巷道内煤与瓦斯突出冲击波的传播特性进行了研究和总结。
Combining work practice, the paper focuses on the coal mine's adopting of anchor hollow bar supporting roadway mechanism, construction process and its technique parameters.
结合工作实际，重点介绍了煤矿采用端锚式注浆锚杆支护巷道机理、施工工艺及其技术参数。
Describes the use of the device in coal mine roadway turning.
介绍了这种装置在煤矿井下转弯巷道中的使用情况。
Tunneling machine is the most important device in mechanical tunneling of coal mine roadway, but it is operated by driver with hands.
掘进机是煤矿巷道机械化掘进中最重要的设备，目前仍由司机手动操作。
Tunneling machine is the most important device in mechanical tunneling of coal mine roadway, but it is operated by driver with hands.
掘进机是煤矿巷道机械化掘进中最重要的设备，目前仍由司机手动操作。
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