采空区

Either on the back wall of the rear gob shield or on a flange.

无论是在回墙后方采空区屏蔽或法兰。

Tiefeng rock tunnel is a control project in Wanzhou-Kaixian expressway.The length of the tunnel exceeds 6?000m.The geological conditions of the tunnel are very complex,including groundwater ingression,firedamp,gypsum strata,soft rock deformation, rock outburst etc.The construction is difficult.Some construction methods are studied for Tiefeng rock tunnel to pass the complex zone mentioned above.

铁峰山2号隧道是重庆万-开高速公路控制性工程之一，隧道左右线长度均超过6 000m，隧道穿越的地层复杂，存在突水、煤层瓦斯、煤巷采空区、石膏岩地层、软岩变形、岩爆等不良地质现象，工程地质条件极为复杂，施工难度大，施工防护要求高。

The feasibility,features,basic principles,craft diagram, key technology and application condition are analyzed and the prevention measures of gas,coal spontaneous combustion and water irruption in gob are also introduced.

介绍了一种在急倾斜厚及中厚煤层中开采的新型采煤方法———掩护支架架后放煤采煤法，并对其可行性、过程、基本原理、工艺流程、技术关键以及适用条件等进行了分析；介绍了瓦斯管理、防治煤层自然发火及老采空区防水措施，该法技术可行、安全可靠、技术经济指标先进，可推广应用。

Finally, based on the data got on the spot, the probability integral method and the finite element simulation were separately used to predict and analyze the collapse development tendency of the No.1203 working face of the Daliuta coal mining area.

最后，根据实测的数据资料，分别运用概率积分法和有限元数值模拟预测分析了大柳塔矿区1203工作面采空区塌陷的发展趋势。

Characteristic parameters of coal spontaneous combustion were qualitatively studied and quantitatively determined by coal self-ignition experiment from two aspects: coal oxidation and exothermic which is produced by oxidation.

在井下现场应用研究方面，按照安全规程的要求和采空区瓦斯运移规律结合对实际条件下的漏风规律研究存在发火条件的危险区域，通过实验研究，对指标气体产生和发展规律有了充分认识，有效地指导防火灭火工作。

Study on stability of cavity group based on the coupling of surpac and phase2.

基于 SURPAC 和 Phase2耦合的采空区稳定性模拟分析。

In this paper, abandoned stope disposal methods in gold mines are reviewed.

文中简要讨论了国内外黄金矿山采空区处理的几种方法。

The influence of ventilation quantity, ventilation pressure, air leak strips and stowing strips on spontaneous combustion in goaf is discussed, so validity of the above theories is confirmed, and the effect is perfect.

论述了风量、风压、漏风带、充填带、对采空区自然发火的影响，形象地验证了上述理论的正确性，取得了较好的效果。

The influence of the mining subsidence on the stability of the ground surface is a task of great significance and research value.

地下采空区对地表稳定性的影响是一项有着重要理论意义和应用价值的研究课题。

The veinlet belt orebady of Tongkeng Mine with spontaneous ignition formats a fire area ,that makes mining sequence disorder,and a great number of stoped areas untreated.

铜坑矿细脉带矿石自燃形成火区，使矿山开采顺序紊乱，并遗留大量未处理的采空区，对矿山安全生产造成重大事故隐患。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。