This paper puts forward support plan through analyzing strata behavior regularity of coal roadway in seam with soft roof, soft coal and soft floor.
文章通过对永华煤矿“三软煤层”煤巷矿压规律进行分析,提出了支护方案。
According to repairing supporting engineering of 1070 roadway in Wei Jia-di Coal Mine, stability failure mechanism of soft rock roadway engineering under complex stress conditions is analyzed.
针对魏家地煤矿1070巷道返修工程,分析了复杂应力条件下软岩巷道破坏机理。
After More burial and chemical transformation of the aging organic material, the peat becomes lignite, a very soft coal-like material.
当这些古老的有机物质经过进一步的埋藏和化学变化,泥炭就变成一种非常软的,像煤物质那样的褐煤。
The combustion characters of petroleum coke were between those of soft coal and anthracite .
石油焦的燃烧特性处于烟煤和无烟煤之间。
To analyze the deformation characters of soft rock roadway in Fengshuigou Coal Mine, provide corresponding preventive measures and have made good technology economic results.
分析了风水沟煤矿软岩巷道变形的特点,提出了相应的防治措施,在软岩支护方面取得了较好的支护效果和经济效益。
Liangjia Coal Mine in Longkou mining area is a typical "three-soft" mining area, meeting many difficulties in roadway support.
龙口矿区梁家煤矿是典型的“三软”矿区,在巷道支护上遇到了非常大的困难。
That aiming at soft starter machinery of coal mine machinery equipment is analyzed and prospected. It is very important for coal mine machinery design, application and making.
针对煤矿机械设备的“软启动”技术现状进行分析及展望,对煤矿机械设计、制造及使用都是十分重要的。
Introduce the grouting reinforcement method of the soft rock of coal bin and fall area and analyze the fall reasons and the grouting result.
介绍了煤仓软岩及冒落段预注浆加固方法,分析了冒落原因及注浆效果。
As well as the related information of deformed soft coal in study area was got by this technology; dangerous districts of coal and gas outburst were forecasted in study area.
利用该技术获取了研究区的构造软煤资料,对研究区的煤与瓦斯突出危险性区域进行了预测。
Because of crack structure, high gas amount, concentrated stress, soft and broken coal, it's very difficult for tunneling.
巷道在掘进时由于受断裂构造的影响,瓦斯含量大,应力集中,煤体松软、破碎,掘进困难。
There is some instructional signification to soft rock tunnel project and practice of coal mine.
对煤矿软岩巷道工程实践有着一定的指导意义。
This paper theoretically analyzes the mechanism of truss bolt system, and gives the design of coal roadway support according to the characteristics of the "Three-soft" coal roadway.
从理论上分析了桁架锚杆系统的作用机理,并针对“三软”全煤巷道的特点,制定了全煤顺槽桁架支护方案。
The opening stability in soft weak coal layer is important to the safe production in a mine.
软弱煤层巷道的稳定性对煤矿正常安全生产起着重要作用。
Used for truncating coal bed and breaking soft ore into pieces in mineral industry.
采矿工业中用于截断煤层和打碎矿石。
According to the realistic application of cement mixing pile in treating soft soil ground of powder coal ash, experiments constructions and testing have proved its practicability.
根据水泥搅拌桩在粉煤灰软基础中的实际应用,通过实验、施工和检测,证明水泥搅拌桩在软基中的实用性。
Taking Coalfield Project of Jiaxing Power Plant project for example, soft foundation improved by self-preloading of coal is analyzed.
以嘉兴电厂二期煤场工程软基处理为例,对堆煤自预压法进行软基加固进行了分析研究。
The coal layout is high gas, soft and flammability.
煤层为高瓦斯、松软、易燃厚煤层。
Geological data treatment is a part of the soft ware package for optimization of short-term plans in open pit coal mines.
地质处理是为露天煤矿研制的短期生产计划优化软件包的一部分。
At the present, the problem which is urgently to be solved in gas discharge is the drilling technology in soft coal seam gas discharge, especially the drilling technology of the deep hole.
目前在瓦斯抽放中急待解决的问题是软煤层瓦斯抽放的打钻技术,尤其是深孔打钻技术。
Coal mine soft-rock tunnel is a important constituent of soft rock engineering.
煤矿软岩巷道工程是软岩工程的一个重要组成部分。
A kind of high plasticity soft-clay, also called kibushi clay, is widely deposited in Carboniferous-Permian and Jurassic coal-bearing strata in northern China.
中国北方石炭二叠纪和侏罗纪煤系中普遍产出一种可塑性极高的软质粘土,又称木节土,其矿物组成以高岭石为主。
This starter is mainly applied to soft start and soft stop for production equipments in coal mine, strip coal mine, metallurgy, harbor coal washery, power house, etc.
本起动器主要用于井工煤矿、露天煤矿、滞金、港口、选煤厂、发电厂等生产设备的软起动及软停车。
The time to produce damage deformation in surrounding rock and possible loosening area are obtained by analyzing in situ measurement of displacement in soft weak coal layer.
本文通过对软弱煤层巷道进行位移实测及数据分析,得到了西部某矿软弱煤层巷道围岩变形达破坏所需的时间和可能的变形松动区域。
Combined with engineering practice and test study of loess basement dumping site in a coal mine. More probe to flow deformation feature for evolution soft layer is given here.
结合对某矿黄土基底排土场的工程实践与试验研究,对演化弱层的流动变形特性做了进一步的探讨。
Combined with engineering practice and test study of loess basement dumping site in a coal mine. More probe to flow deformation feature for evolution soft layer is given here.
结合对某矿黄土基底排土场的工程实践与试验研究,对演化弱层的流动变形特性做了进一步的探讨。
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