By using field observation and numerical simulation method, the influence of fracture structure plane on the underground pressure and the roof stability of working face are systematically studied.
通过对现场观测和数值模拟分析，系统研究了断裂结构面对回采工作面矿压分布和顶板稳定性的影响。
The lag distance of abutment pressure behind working face increases, but the convergence coefficient of vertical stress doesn't change obviously with the increase of mining height.
分层开采与综放开采工作面滞后支承压力变化规律是，随着采高的增大，工作面滞后支承力的距离加大，垂直应力集中系数差别不大。
Seal chamber pressure of a new double spiral groove face seal working under high velocity and pressure conditions may probably be disturbed in operation, which affects the seal stability.
一种用于高速高压等极端工况下的新型双螺旋槽端面密封在实际运行过程中密封腔压力会出现波动，从而影响密封稳定性。
Accordingly, the distribution of abutment pressure on the block coal pillar is measured at working face with a steeply inclined seam of the12010 face, NO.
据此原理，实测得到了平煤集团十三矿12010大倾角综放开采工作面走向支承压力和区段煤柱侧向支承压力分布。
Thus it can been seen that enhancing the top monitoring during the period of the pressure change of working face has important practical meaning to security in coal mine.
由此可见，工作面来压期间加强顶板监控对煤矿安全生产具有重要的现实意义。
Based on analysis of working face, we attempt to explain the mechanism of pressure on mine gas outburst face some, and suggest some prevention and cure Suggestions.
文章通过对某工作面的分析，尝试性地解释了矿压对工作面煤与瓦斯突出的部分机理，并提出几点防治建议。
Introduction: now working pressure is more and more big, the white-collar workers face computer for a long period of time, if not to exercise, will inevitably lead to shoulder pain.
简介：现在的工作压力越来越大，使得白领们长时间的面对电脑，如果不加以运动，难免会导致肩膀酸痛。
Finally, the coal-rock mass in the arch angle and apex is slided, and causes the distortion of local rock pressure, even induces dynamic hazards around working face.
拱角与拱顶煤岩滑落失稳，造成工作面局部压力畸变并诱发动力学灾害。
The author briefly introduces the principle, working face testing and application, effectiveness analysis and Suggestions on outburst control for high pressure grinding water jet technology.
作者简要介绍高压磨料水射流技术防突原理、工作面试验应用、效果分析及建议。
The roof management, roof pressure computing, assurance coefficient checking are introduced. Three kinds of protecting methods of working face management are expounded.
从顶板管理、顶板压力计算、安全系数校核方面进行了介绍，并且在大倾角工作面三防措施管理方面进行了详细的阐述。
According to the fieldwork experimentation, after adopting the high-pressure water injection technology, the width of the stress-relaxed zone at the front of the working face increases form 2.
现场试验结果表明：采取高压注水工艺后，工作面前方煤体卸压带宽度由2。
Author introduces the structure and the working principle of the secondary dust removal device with negative pressure as well as the application to fully mechanized mining face in Shuoli colliery.
介绍了综采割煤二次负压降尘装置结构、工作原理以及在朔里煤矿综采工作面使用情况。
An example provided in the case of wind is increased, which shows the dynamical balance feature between the air pressure in working face and gas pressure in the goaf.
给出增大风量后瓦斯分布的算例，由此反映出工作面风压与采空区内部瓦斯压力的动态平衡性。
The testing results of working face coal samples and roof impact tendency indicated that the coal seam belongs to high impact tendency and has pressure bumping possibility.
工作面煤样和顶板冲击倾向性测试结果表明，该煤层属于高冲击倾向性煤层，具有发生冲击矿压的能力。
The testing results of working face coal samples and roof impact tendency indicated that the coal seam belongs to high impact tendency and has pressure bumping possibility.
工作面煤样和顶板冲击倾向性测试结果表明，该煤层属于高冲击倾向性煤层，具有发生冲击矿压的能力。
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