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- rear abutment pressure 滞后支承压力
- 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;
- A body of the enemy hung upon their rear. 一伙敌人紧紧地跟在他们的后面。
- I got a flat tire of the rear wheel of my bicycle. 我自行车的后轮车胎没气了。
- The engine of this bus is in the rear. 这辆公共汽车的发动机在后面。
- The enemy reeled when surprised from the rear. 敌军从背後受到奇袭而乱了阵脚。
- The hinged rear door of a hatchback. 仓门式后背有铰链的后门
- To the rear of the house is a piece of woodland. 在房子后面是一块林地。
- The horse kicked him in the rear. 马蹄踢在他的屁股上。
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- It's really not easy for a widowed mother to rear up four children. 一个寡母要抚养4个孩子成人确实不易。
- Our pressure vessel is licensed product. 我厂生产的压力容器是授权生产产品。
