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- With the increase of mining depth, the problem of floor heave of roadway could become more and more serious. 摘要随着开采深度的不断增加,巷道底鼓问题日趋严重。
- With the increase of mining depth,the possibility for rock burst increases correspondently. 随着煤矿开采深度的增加,冲击地压危险越来越大,已成为严重威胁矿井安全生产的主要灾害。
- The analytical solution of roadway discharge is given,under the condition of rock permeabillty attenuation with mining depth increase. 给出了在岩石渗透性随深度衰减条件下,二维稳定流巷道涌水量的解析解。
- In Xuzhou Coal Mining Area the groundwater hazard is serious due to the larger mining depth and complicated hydrogeological conditions. 徐州矿区开采深度大,水文地质条件复杂,水害严重。主要突出水源为奥陶系含水层。
- The coordinates of the centre point of a subsidence trough are calculated by the effect transference angle and the mining depth. 利用平面图形几何重心公式计算回采工作面水平投影图形的重心坐标,然后根据影响传播角和开采深度计算下沉盆地中心位置的坐标。
- Alongside mining depth of mine continuing,roadway support displays out soft rocks feature,anchor way of bolt must expand from end bolt to long bolt and all bolt. 随着矿井采深的不断加大,巷道支护表现出软岩支护的特点,锚杆锚固方式由端锚逐步向加长锚、全锚方向发展。
- An initial mining depth in the thick seam or a depth of a full seam cut will cause an obvious increasing in crack height and also in horseshoe distribution. 增大重复开采厚度以提高采煤工效和矿井经济效益;
- As mining depth of the stope area and geopressure increase,stope wall rock and obsturator are of the possibility of serious yielding destruction and whole instability. 随着开采深度的增加,采场面积扩展和地压增大,采场围岩及充填体潜在着严重的屈服破坏和整体失稳的可能。
- With mining depth increasing continuously in our country,in condition of mining in the deep-lying,there are many problems in determining displacement angle of stratum at present. 随着我国煤矿开采深度的不断增加,指出了目前岩层移动角的确定存在诸多问题。
- With the increase of mining depth,pre-mining rock stresses increase dramatically,which leads to the rise of the frequency of rock burst occurrence and the drop of mine safety. 随着矿山开采深度的增加,原岩应力水平大大提高,导致岩爆等灾害发生频率提高,矿山生产的安全性下降。
- The thesis analyzes the effect of the increase of mining depth on the floor heave, discusses the laws that gravity stress, tectonic stress, the strength of surrounding rock, terrestrial heat and imbibition water change with the increase of mining depth. 分析了采深对巷道底鼓的影响,以及自重应力、构造应力、围岩强度、地温、水随开采深度变化的规律。
- With the downward movement of crebody mining depth in Meishan Iron Mine, the ground cave-in area hasbecome larger and the ground pressure more evident and the undergrou ad joints, fissures, faults and drift cave-in more serious. 梅山铁矿随着矿体开采深度的下移,地表塌陷面积越来越大,地压显现越来越明显,井下节理、裂隙、断层、巷道跨冒现象越来越严重;
- The results show that under these conditions the rock burst is closely related to the coal rock characteristic, mining depth, thickness of strong roof and periodic weighting of roof. 结果表明在此条件下开采时发生的冲击矿压与煤岩性质、采深、坚硬顶板厚度及顶板的周期来压有密切关系。
- The relationship between roadway recharge and the depth,the relationship between the discharge from various levels and total discharge changed with the mining depth,are water yield of mine analyzed. 对巷道涌水量与巷道位置深度的关系,不同水平巷道涌水量以及矿坑总涌水量随开采深度的变化关系进行了理论分析。
- With the increase of mining depth, the deep well mines were more and more.Therefore the backfill mining method was of great important. 随着开采深度的增加,深井矿山越来越多,充填采矿法已显得越来越重要。
- I think your plans will chime in with mine. 我想你的计划会同我的相吻合。
- With the increase of mining depth,the possibility for rock burst increases correspondently.It has become a major factor which endangers the safe operation of coal mines. 随着煤矿开采深度的增加,冲击地压危险越来越大,已成为严重威胁矿井安全生产的主要灾害。
- It was a freak of mine to wear pink pajamas. 穿上粉红色睡衣是我一时的奇想。
- His opinion differs entirely from mine. 他的意见和我的完全不同。
- He went heels over head into buying mining stock. 他购买了矿业股票,做事真鲁莽。