In-situ stress was measured by overcoming method in borehole in Zhaolou Coal Mine shaft station.
采用钻孔套芯应力解除法在赵楼煤矿井底车场位置选点进行了地应力测量。
Durability inspection and safety evaluation were made to a damaged coal mine shaft tower due to the corrosion of rebar in concrete, and the corrosion mechanisms of rebar in concrete were analyzed.
对产生钢筋锈蚀破坏的某煤矿井塔进行了耐久性检测和安全性评价，同时进行了混凝土内钢筋腐蚀机理分析。
All of the 28 miners who were working in the shaft were killed when an underground cable caught fire at about 8:10 pm at Xiaonangou coal mine at Sangshuping Township of Hancheng City.
17日20时10分许，陕西省韩城市桑树坪小南沟煤矿井下电缆着火，造成28名矿工遇难。
Based on a method of a assistance photosource, a basic method of coal level detection on the mine shaft coal bin is put foruard.
基于一种辅助光源照射方法，提出对井下煤仓煤位进行检测的基本方法。
The mine flooding happed during construction of the air shaft in Qidong Coal mine.
祁东煤矿风井在建井过程中，发生钻井井壁突水事故，井筒被淹。
New Shanghai One well placed mine shaft cage wellhead engineering construction company, the third Sino-Coal is responsible for installation of mechanical and electrical installation.
新上海一号井煤矿副井井口罐笼置入工程由中煤第三建设公司机电安装工程处负责安装。
According to the above information and combining with the development of coal seam underneath the mine shaft, the innovation and optimization of this system are engaged.
针对以上情况，结合矿井下组煤的开拓对矿井通风系统进行了改造与优化。
Opens gathers assemble the main shaft amount producing coal system engineering in mine (northern district) greatly, it is complex to build.
张集矿(北区)主井出煤系统工程量大，施工复杂。
The mining of shallow coal bed in Shenfu Mine is seriously threatened by suffosion hazard of coal shaft.
神府矿区浅部煤层开采受到矿井溃砂的严重威胁。
The improvement plan, work principles and reform result on electric control system of main shaft hoist in Linhuan Coal Mine are introduced, and the result is fine.
介绍了临涣煤矿主井提升机电控系统的改造方案、工作原理及改造效果，经过改造后的电控系统效果良好。
By the construction practice of pre-reserved beam sump in the shaft construction of Guqiao Coal Mine, goes further into the technical factors and pre-reserved result ect.
通过顾桥矿井筒施工过程中预留梁窝的施工实践，探讨了井筒掘砌中预留梁窝施工的技术因素、预留效果等。
The article introduces the basic idea and principle for the CAD system's design of the shaft fan's installation drawing in the coal mine.
文中介绍了煤矿用轴流式通风机设备安装布置图CAD系统设计的基本思想与原则，详细说明了图块的分解、绘制以及总图组装等问题。
According to the analysis for failure reasons of vertical shaft wall in Linhuan Coal Mine, its main reason is longitudinal load produced by negative frictional force.
分析临涣煤矿区竖井井壁破坏的原因，主要是由负摩擦力产生的纵向荷载引起的。
Since the fact that the work condition under the shaft in coal mine is comparatively odiously , electric motor block rate is particularly tall.
由于煤矿井下的工作条件比较恶劣，电动机的故障率特别高。
For example, Yansheng shaft in Jixi Coal Mine, the character of fault fold, structure stress and forming system are analyzed.
以鸡西煤田艳胜井田为例，对断块间褶曲特征、构造应力场及形成机理作初步分析。
The engineering design of freeze sinking in shaft of Xinghua Coal Mine is introduced and the causes for its failure are analyzed.
介绍了邢台兴华煤矿井筒冻结施工工程设计及冻结失败原因分析。
And the Fuzzy-follower is applied in shaft bottom coal conveyor of a medium-sized coal mine and gives good results. Thus, it solves the problem of power balance of double-motor driving system.
该模糊跟随器在某中型煤矿的井下原煤运输系统中进行了实际应用，效果良好，较好地解决了双电机拖动系统的功率平衡问题。
This paper introduces the work principle of four-quadrant operating high-pressure frequency converter, and its application in coal mine auxiliary shaft winch innovation system.
介绍了四象限运行高压变频器的工作原理，并应用到煤矿副井绞车改造系统。
Retrograde ventilation is used for Wangjiazhai coal mine, both air leakage and ventilation resistance of the main shaft are largish.
王家寨煤矿为中央并列式通风，漏风量较大，主井通风阻力较大。
The wall submersion in the west air shaft of Zhangji Coal Mine, is the key engineering of ensuring the shaft to satisfy production use.
张集煤矿西回风井下沉井壁是钻井结束后确保井筒满足投产使用的关键工程。
The influence factor of spontaneous ignition on coal seam mining and protective measures in Yangquan mine No. 3 shaft are approached.
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 alluvium thickness of air shaft in Zhaogu No. 2 Coal Mine is up to 528.85 m. The geologic and hydrographic conditions are complex, so it is very difficult for freezing design and construction.
赵固二矿风井筒穿过的冲积层厚度达到528.85m，地质、水文地质条件复杂，冻结设计和施工难度较大。
At Yaoqiao coal mine, once and successful shaft washing using hydrochloric acid is made in the drillhole aquifer stuffed by the Permian system Taiyuan group NO. 4 lime, good result has been obtained.
姚桥煤矿通过对二叠系太原组四灰含水层被堵塞钻孔和裂隙发育不畅钻孔利用盐酸洗井，一次洗通，取得了良好的效果。
At Yaoqiao coal mine, once and successful shaft washing using hydrochloric acid is made in the drillhole aquifer stuffed by the Permian system Taiyuan group NO. 4 lime, good result has been obtained.
姚桥煤矿通过对二叠系太原组四灰含水层被堵塞钻孔和裂隙发育不畅钻孔利用盐酸洗井，一次洗通，取得了良好的效果。
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