预测了侏罗系含水层对煤层开采的影响。
The influence of aquifer upon the mining coal seam is estimated.
神府矿区浅部煤层开采受到矿井溃砂的严重威胁。
The mining of shallow coal bed in Shenfu Mine is seriously threatened by suffosion hazard of coal shaft.
薄煤层开采是许多矿井煤炭开采中不可避免的问题。
A coal mining in thin seam is an inevitable issue of coal mining in many coal mines.
成庄井田为新建矿井，下部煤层开采受地下水的威胁。
Zhengzhuang mining Field is a newly-built mine and the mining of its lower coal seams is subjected to the threat of underground water.
重点论述了风化带内煤层开采的覆岩破坏移动演化特征；
The characteristics of damage, movement, evolution in mining coal bed in weathered zone were discussed mainly.
综采放顶煤技术已成为厚煤层开采的高产高效采煤技术。
Fully mechanized caving mining has became mining technology of high output and efficiency in thick coal seam mining.
煤层开采后，一些工作面出现了砂层水渗入井下的现象。
When the seam was extracted, water from the sand layer penetrated into some coal faces.
该研究为东荣二矿深部煤层开采的冲击矿压防治提供了技术保障。
The study provides a technical support of rock burst prevention and control of Dongrong NO. 2 colliery.
煤层开采不会造成库区水体渗漏，不会对大坝附近的渗流场产生影响。
Mining can not cause leakage of reservoir water body or affect infiltration flow field near the dam.
介绍了非正规采煤法“树枝状”采煤法在极薄煤层开采中的实际应用；
The actual application of the irregular mining method "tree branch form" mining method in the coal pipe is introduced.
不同地形条件下，煤层开采引起的上覆岩层移动与地表沉降规律不同。
The law of ground motion caused by coal excavation is different on different landforms.
传统的评价方法很难对煤层开采地质工艺性这一定性问题进行定量评价。
It is difficult to evaluate the coal seam exploitation geological technology quantitatively which belongs to the qualitative questions.
介绍了兖州矿区厚煤层开采回采工作面装备情况及生产管理方面的几点经验。
The paper states the equipment status in mining faces and experience of producing management in Yanzhou Coal mining area.
文章简要介绍中国薄煤层煤炭资源的储存情况、薄煤层开采机械的几种类型。
The paper briefly introduced storage of thin seam coal resources in China as well as several type of mining equipment.
验证了急倾斜煤层开采过程中支护结构稳定-压缩-回弹-稳定的变形特性。
The stable-compression-resilience-stable deformation features of the support structure was verified during the steep inclined seam mining process.
研究了下伏两煤层开采引起的岩层运动规律及其对- 115大巷造成的影响。
The strata movement regularities resulted from the two underlie coal seams mined and its effects to the-115 main entry were studied.
通过试验得出：煤层开采前，初始地温场中含水构造处具有明显的低温异常特征；
There is obvious abnormal temperature feature in the intact rock mass around the water-hearing structure before mining.
介绍了国外厚煤层开采和安全技术的现状，及国内厚煤层开采技术在国际上的水平。
The paper states the present status of thick seam mining and safety technique in foreign country and technique level of that in China.
作者认为煤层开采条件、采矿技术装备和国民经济对煤炭的需要是确定井型的主要因素。
The authors hold that the geological conditions, mining technology and equipment as well as the demand of the national economy for coal are the main factors for determining the size of a mine.
为了预测急倾斜煤层开采的效果和决策辅助技术，对急倾斜煤层可采工艺性进行综合评价。
In order to predict the mining effect and choice the technical decision, the comprehensive evaluation on steep coal seams was taken.
沙曲煤矿山西组煤层开采过程中，煤层顶底板砂岩含水层构成煤层开采时的直接充水含水层。
In the process of Shanxi formation seam mining in Shaqu Colliery, the seam roof and floor sandrock aquifers constitute the direct discharge aquifers.
现有的大倾角厚煤层开采技术存在着一系列问题，从而导致煤矿回采率低，安全性差，成本高。
There are series problems exist in the existing thick seam mining technology with large dip Angle, thus cause low extraction rate, poor safety and high cost.
石炭系灰岩为薄层灰岩，对煤层开采有影响的灰岩主要是太原统底部单层厚度超过4米的灰岩层。
The Carboniferous limestone system are thin layers of limestone. Those which influence coal extraction are mainly single layers of limestone over 4m thick at the bottom of Taiyuan system.
煤层开采所引发的上覆岩层导水断裂带高度的计算方法是矿井顶板水害防治中的重要研究课题之一。
It is one of the important research projects in the field of controlling water-inrush from roof that the calculating method of water flowing fracture height caused by coal mining.
介绍了积水区探放水设计的主要内容，讨论了下煤层开采的基本方法，提出了几点重要的安全措施。
The main contents of the water prospection and dewatering design is presented. The mining method for down? Coal? Seam is discussed. Some safety measures are put forward.
为适应倾斜煤层开采的需要，结合淮南谢一煤矿巷道布置，研制了一台大倾角下运花纹带式输送机。
A steeply inclined downward running ribbed belt conveyor is developed according to the funnel layout at Xieyi coal mine in Huainan to meet the demand in coal mining with inclined coal bed.
确定合适的煤层开采比，加强设备的完好管理，加强选煤技术管理，合理投入，杜绝此类现象的发生。
Through ascertaining appropriate seam exploitation ratio, strengthening the management of equipments and coal cleaning technology, and investing reasonable, this phenomenon was stopped.
本实用新型在保证顶梁强度的前提下有利于工人作业空间的增加，适用于薄煤层开采的液压支护设备。
The top beam according to the utility model is propitious to the increase of operation space for worker, and is more suitable for the hydraulic supporting device for thin coal layer exploitation.
分析了阳泉矿区三矿井田煤层开采对自燃着火的影响因素，探讨了预防煤层的自燃着火的开采技术措施。
The influence factor of spontaneous ignition on coal seam mining and protective measures in Yangquan mine No. 3 shaft are approached.
对含水构造附近的煤层开采进行试验模拟，重点分析采动过程中覆岩变形引起渗流场、温度场的变化规律。
The coal mining around the water-bearing structure is simulated by tests. The variation laws of seepage and temperature fields induced by deformation of overburden rock during mining are analyzed.
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