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- Manage of Rock Burst in Mine with Great Mining Depth Partial Extraction and Strong Roof Face 大采深条带开采坚硬顶板工作面冲击矿压治理研究
- great mining depth 大采深
- 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。
- 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。
- In England he had seized a great mining corporation without investing a shilling. 在英国，他没有投资一个先令，居然把一家规模宏大的采矿公司弄到了手。
- 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。
- A FEM NTA coupling model is set up for simulation of mining conditions at great mining height with an overlying rocks of low tensile strength. 建立了大采高工作面支架系统可靠性的计算模型,通过系统可靠性参数的分析,提出了提高支架系统可靠性的途径。
- 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。
- FEM NTA coupling model is set up for simulation of mining conditions at great mining height with an overlying rocks of low tensile strength. 在重点模拟大采高条件下覆岩低抗拉特性的基础上，建立了“大采高FEM-NTA耦合模型”。
- 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。
- Authors introduce a fully mechanized mining technology with great mining length, height and dip angle adopted by No.12 colliery of Pingdingshan Coal Group under the condition of outburst coal seam. 本文介绍了平煤集团十二矿在高突条件下,进行的大采长、大采高、大倾角综采开采技术,采取的措施和取得的经验,并提出了有待解决的技术问题。
- He is a great guy, a chip off the old block. 他是一位好人，就像他父亲一样。
- The poem showed great intensity of feeling. 这篇韵文表现出强烈的激情。
- 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。
