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- It is elaborated that the abutment pressure has the process of formation and development,by which the behavior mechanism is explained. 通过阐明采场前方支承压力存在形成和发展过程，从形成机理上给予解释说明。并应用这一规律解释了有关矿压现象。
- Overlength isolated working face reduces the superposed influence of two sides abutment pressure on isolated working face. 超长孤岛工作面减小孤岛工作面侧向支承压力的叠加影响。
- According to the character of abutment pressure, receive the conclusion that the minimum size to extract is relate to the gob area of the both sides, and provide the formula. 根据煤体支承压力分布特征得到最小孤岛煤体可开采尺寸与两侧采空范围相关的结论，并给出了计算公式。
- It is put forward that the top coal of low gaseous steep seam can be caved only when the top coal is in the limiting equilibrium state of stress under the abutment pressure. 应用弹塑性理论分析了矿山压力对急倾斜煤层顶煤破碎的作用,认为在低瓦斯急倾斜煤层中只有当顶煤在支承压力的作用下进入应力极限平衡状态时,顶煤才可放出,据此计算顶煤可能的分段高度。
- Stress shell, which bears and pass load of overlying strata, is primary supporting body.The stress in skewback of stress shell forms abutment pressure of surrounding rock in vicinity of working face. 应力壳承但并传递上覆岩体荷载和压力，是最主要的承载体，应力壳拱脚处应力形成采场四周围岩支承压力。
- The position and state of the main roof above the terminal line of the coalface nearby the rises affect the magnitude of the peak abutment pressure and the difficult extent of the rise maintenance. 上山附近终采线上方老顶岩层的位态影响着煤柱支承压力的大小和上山维护的难易程度。因此,工作面终采线的位置,应尽可能确定在老顶岩层周期来压完成之后。
- Based on the key strata theory, the effect of the key strata breakage, position and the effect of the cut depth on the surrounding rock abutment pressure is analyzed in numerical simulation ways. 运用数值模拟方法,主要分析了关键层的破断、关键层相对位置及采深等对围岩支承压力的影响;
- abutment pressure of side direction 侧向支承压力
- Keywords soft rock;coalface;abutment pressure; 软岩;采场;支承压力;
- Formation and application of the front abutment pressure on longwall face 论采场前方支承压力的形成及应用
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- Our pressure vessel is licensed product. 我厂生产的压力容器是授权生产产品。
- Loss of pressure had not registered on the dials. 刻度盘未记录压力下降。
- Air pressure forces the water through the pipe. 空气压力使水通过管道。
- What's the atmospheric pressure today? 今天的气压怎么样？
- The water pressure may need adjusting. 水压可能需要调整。
- Pressure is force per unit area. 压力就是电单位面积上的力。
- He drop out because of the pressure. 由于校规很严，所以他退学了。
- It took a bit of pressure to make the lid close. 要稍按一下才能把盖子盖紧。
- It was done under the pressure of the necessity. 这件事是在迫切需要的情况下而做的。
