Using digital simulation,the mining-induced stress distribution in the entry with large mining height and second weight is analyzed,a optimum support scheme is choosed by perpendicular design.
通过运用数值模拟技术对二次动压影响的大采高顺槽周边动压应力分布规律进行了研究,并通过正交试验方法选取最优支护方案。
1 colliery 201 face entry in Huangling,giving appropriate measures.
根据地压理论,运用岩石力学方法,分析了黄陵一号煤矿201 工作面顺槽出现纵向裂缝的原因,提出了相应的处理措
Shoring technology of the Ahead of time to the sides hydrolic shield in the roadway;
顺槽端头支架超前支护技术
This paper,through theoretical calculation,optimized the shape and size of the roadway cross-section in case of stable roof and soft ribs.
本文通过理论计算,对顶板稳定、两帮较软的顺槽断面形状、尺寸进行优化设计,优化结果为"倒梯形"断面,进而又对采用锚杆支护形式下的该巷道稳定性进行数值模拟研究。
, selects the supporting forms of the monoblock plus лtype beams that is the most suitable to he double crossheading support on comprehensive mechanized mining faces and obtains the better results.
针对屯兰矿综采工作面复杂的地质条件,通过分析不同支护形式对顶板管理的效果及经济效益、工人的劳动环境和劳动强度及安全生产等方面产生的影响,选择了最适合矿井综采面两顺槽支护的单体加л型梁支护方式,并取得了较好的效果。
The application of the combined support with cable and anchor in the face crossheading is introduced.
介绍了锚索与锚杆联合支护在回采工作面顺槽中的应用,即锚杆锚索联合支护的具体参数计算和具体应用效果,及在具体地质条件下采用适宜的支护所取得的效果。
Practice on Gas Suction at Roadway with 1018 Crossheading Floor in Jianxin Colliery
建新矿1018顺槽底板巷瓦斯抽放实践
Analysis of Anchor Cable Supporting in 1411(3) Transporting Crossheading of Zhangji Coal Mine
张集煤矿1411(3)运输顺槽锚索网支护分析
The Application of the New Pressure Relief Technology in the Parallel Groove Adjacent Bug-road of the Comprehensive Mechanical Coal Mining Face
综放工作面顺槽邻空巷卸压新技术的应用
Study on Bolting Wire Mesh Support Technique and Paremeter Optimization in Fully Mechanized Caving Sublevel Coal Mine;
综放采场顺槽锚网支护技术及参数优化研究
The Design of Assembling Platform of Hydraulic Support in Mine Working Face;
新集煤矿顺槽工作面液压支架组装平台设计
Intelligence Control of the Strong-belt Conveyer in Deep Place of Coal Mine;
矿井深部顺槽强力胶带输送机智能控制设计
Study on the Support Method of 1501Working Face Laneway of Longhua Colliery
隆华煤业1501工作面顺槽支护方法的研究
Application of Combined Support with Cable and Anchor in Face Crossheading
锚索锚杆联合支护在工作面顺槽中的应用
The Support Technique of Pan-side Entry in the Faces with Large Mining Height in Sihe Mine
顺槽留巷支护技术在寺河矿大采高工作面的应用
In view of the problems occurring in trapezoidal support used in coal seam gateway, a novel small-curvature arch support for mining engineering is presented.
针对煤层顺槽梯形支架存在的问题,提出一种新型结构的小曲率拱型支架。
The technique had applied for several knowledge patents and it can greatly enhance the mechanization level of domestic coalmines gateway equipment.
该技术具有多项自主知识产权,可极大提高我国煤矿顺槽设备的机械化水平。
Study on the Counter Measures of Industry Development of Beishicao Town
北京市顺义区北石槽镇产业发展对策研究
Optimized model and template for anode exchange sequence of prebaked anode cell
预焙槽阳极更换顺序表的优选模型和模板
Identification of Periodicity & Stripe Sort Array and Dynamics Analysis of Forward Slot& Backward Slot;
低噪轮胎花纹周期和节距辨识及其顺逆槽噪声动力学分析
Hydrothermal Signatures in the Sediments from the Middle Okinawa Trough by Sequential Extraction;
冲绳海槽沉积物中热液源组分的顺序淋滤萃取研究
Sufficient air supply for the biochemical tank was necessary for the steady growth of nitrifying bacteria on the packing materials and the smooth completion of process startup.
提供生化槽充足的曝气量是保证填料上硝化细菌稳定生长,顺利完成启动过程的必要条件。
I can sleep in late, waking up occasionally to hear soothing patter on the roof, water racing down the gutter.
我可以睡到很晚,时而醒来倾听屋檐上柔和的拍打,水顺着水槽往下流的声音。
An electric device installed below a sink that grinds garbage so it can be flushed away.
搅碎机,污物碾碎器一种装在橱房洗涤槽排水管内的电子装置,用来碾碎污物顺水冲走
CopyRight © 2020-2024 优校网[www.youxiaow.com]版权所有 All Rights Reserved. ICP备案号:浙ICP备2024058711号