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- The harm of percussive ground pressure,produced reason,conditions and protective measures are introduced. 介绍了冲击地压的危害程度，发生的原因、条件及采取的防治措施。
- Abstract: The harm of percussive ground pressure,produced reason,conditions and protective measures are introduced. 文摘:介绍了冲击地压的危害程度，发生的原因、条件及采取的防治措施。
- Ground pressure disaster occupies a predominent proportion in mine casualty accidents. 地压灾害在矿山伤亡事故中占绝对比重。
- The idea of key stratum pressure is put forward, and the ground pressure is mainly influenced by the breakage of key . 提出主关键层来压的新概念,指出回采工作面矿压显现程度主要受主关键层破断的影响。
- Moreover, in the weighting process of the main roof, the characteristics of ground pressure manifestation are all of "camelback" form. 在来压过程中,回采工作面的矿压显现特征量均呈“驼峰”型。
- The stability of skarn in the soleplate of ore body is bad and the mining ground pressure is serious in Xishimen iron ore mine. 鲁中小官庄铁矿由于埋藏深、地压大、矿体倾角比较缓、矿岩破碎,是国内有名的难采矿山之一。
- It has been s uggested to choose logical project design, construction scheme, and support meas ure to reduce ground pressure damage. 并建议选择合理的工程设计、施工方案、支护措施，以减少地压破坏。
- Through researching on the charaters of soft rock and ground pressure,provides more ideal support methods so sa to achieve better economic benefit. 通过对元宝山矿区软岩特征和软岩巷道地压显现的研究,提出了更为理想的支护方式,以达到良好的经济效益。
- The regularity of the activity of ground pressure in mine stope andthe results of controlling in the process of mining are summed up and analyzed. 对回采过程中，采场地压活动显现规律与控制效果进行了总结与分析。
- TYS120 LLGP bulldozer is rigid suspended, power shift, hydraulically controlled and track-type. It is applicable for the extra requirement of the ground pressure. TYS120超湿地推土机系刚性悬挂、械和动力换档变速传动、压操纵的结构型式，是一种能满足使用工况对接地比压有特殊要求的湿地型履带推土机。。
- The safety of residents'life and belongingsalong with the under ground pressure pipeline of liquefied petroleum gas is tightly linked with that of the pipeline. 城市液化气埋地压力管道的安全与千家万户居民的人身和财产息息相关。
- TYS120LLGP bulldozer is rigid suspended, power shift, hydraulically controlled and track-type. It is applicable for the extra requirement of the ground pressure. TYS120超湿地推土机系刚性悬挂、机械和动力换档变速传动、液压操纵的结构型式，是一种能满足使用工况对接地比压有特殊要求的湿地型履带推土机。。
- Ground pressure character is surveyed in deep Copper Mine.On the base of it,Fuzzy is applial in rock class ification,and tunnel reinforced technique is studied. 对深部铜矿地压显现特征进行了调查，在此基础上，采用模糊理论，对岩体分类，进而对巷道支护技术进行了研究。
- The surrounding rock of 9300 drift is of plastic soft type. Because of great ground pressure, rock movement and long action duration, the support facilities were destroyed. 9300平巷由于围岩为塑性软岩体,地压、位移大,且持续时间长,因而巷道支架破坏严重。
- By mechanically analyzing and computing the ground pressure of the tunnel and shaft,the limit embedding condition of the soft interlayer,and its side pressure are obtained. 为解决这一问题,对此竖井地压问题进行力学分析,通过隧道地压与竖井地压的力学分析计算,得出了软弱夹层的极限埋藏条件与井筒的侧向压力。
- Most of mines whore a pillarlcss sublcvcl caving method is introduced experience ground pressure, as manifested by deformation and damage of mining entrances and connecting slots. 在使用无底柱分段崩落法的矿山,大都存在着地压现象。其主要表现是采矿进路和联络道的变形破坏。
- The changing law of the ground pressure resistance provides valuable reference for us to determine the parameters of vibration dynamics of foundation system accurately. 归纳出有关地基抗压刚度的变化规律，为更准确地确定动力基础系统的动力参数提供了参考。
- The ground pressure behavior anomaly in fully-mechanized top-coal caving working face is a trans-normally and detrimentally dynamic pressure phenomenon. 综放采场矿压显现异常是发生在综放采场的超出常规预计、对安全生产造成较大危害的动压现象。
- This project revised the formula of the ground pressure resistance by applying the reciprocity law equation to simplify the theory of elastic half-space. 采用方程对等法对弹性半空间理论进行简化，修正了地基抗压刚度的计算公式。
