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- roof pressure roof weight 顶板压力
- The paper analysed the maximum damage depth of the working face floor. Based on the result, the relationship between roof pressure and water-irruption from floor are discussed. 从矿山压力角度分析采煤工作面底板破坏带最大深度产生的时间和位置，进而探讨顶板来压和底板突水之间的关系，最后给出工作面来压和非来压期间，底板究水的可能性。
- The TRT system was decomposed into blast furnace gas reaction container, roof pressure container, gas pipeline and gas flowrate regulating valve after its mechanism analysis. 在分析TRT系统工作机理基础上，将其分解为高炉煤气反应容器、炉顶压力容器、煤气管道、煤气流量调节阀4部分。
- The pillars have to support the weight of the roof. 这些柱子须承受屋顶的重量。
- Keywords roof pressure;coal floor;water-irruption; 顶板来压;支承压力;承压开采;底板突水;
- Based on the analyzing of parameter about combinatorial key stratum, the formulae of calculating the roof weighting step is given in this article. 在分析组合关键层有关参数的基础上,推导出了组合关键层初次来压步距和周期来压步距的计算公式。
- These pillars carry the weight of the roof. 这些柱子支撑著屋顶的重量。
- The expert system of weighting on the basis of these knowledge can satisfy the demand of roof weighting forecasting in longwall face. 架起了“自动预报”和“预报机理”之间的桥梁，经实例验证，该专家系统能满足长壁工作面来压预报的要求。
- Rafters carry the weight of the roof. 椽木支撑住屋顶的重量。
- She and I can't live under the same roof. 她和我不能住在一起。
- The weight of snow collapsed the roof. 积雪的重压使屋顶倒塌了。
- The loci of plastic hinge line and the maximum load during first roof weighting are determined by using kinematical method, and the minimum span of roof key stratum is derived. 利用机动法确定了老顶岩板初次来压时载荷的上限值和塑铰线的位置,得到了顶板岩体关键层的最小破断跨距。
- The study indicates that according to the formulae of combinatorial key stratum, coal roof weighting step in the 1203 face in Da-liu-ta mining is co the observation value. 结果表明，以该修正的组合关键层破断距公式计算的大柳塔1203工作面的初次来压步距与实测非常接近。
- The Ion of plastic hinge line and the maximum load during first roof weighting are determined by using kinematical method, and the minimum span of roof key stratum is derived. 利用机动法确定了老顶岩板初次来压时载荷的上限值和塑铰线的位置，得到了顶板岩体关键层的最小破断跨距。
- With the advancing of work face, the cracks will be induced and then impenetrate with each other in roof, and result in the rupture of roof and roof weighting. 摘要随工作面的推进，顶板要产生裂缝、裂缝贯通、破断，然后来压。
- Study of the main roof pressure and gas outburst rules 采场老顶来压活动瓦斯涌出规律的研究
- Effect of igneous rock on the roof pressure of mining field 火成岩对采场顶板压力分布的影响
- It is strong enough to bear up the weight of the roof. 它很牢固,足以支撑住屋顶的重量。
- Keywords roof pressure;accoustic emission;forecasting; 顶板压力;声发射;预报;
- The stone made a dent in the roof of my car. 我的汽车顶让石头砸了个坑。
