Application of room-pillar method with artificial roof support in Dongbaoshan mine;
人工顶柱房柱法在东宝山矿区的应用
The dangerous and hazardous factors are analyzed in the inclined and bedded gypsum mineral deposit underground mining by pillar-and-room method.
本文对缓倾薄层石膏矿床房柱法开采过程中存在的危险危害因素进行了分析,指出采空区坍塌是最重要的危险危害因素,分析认为矿体基本力学性质和采矿方法是影响采空区坍塌的主要因素,提出了当前应优先考虑的安全管理和安全技术新对策。
Employing rock mechanics,author has calculated mine block structure main parameters involving normal room－pillar method,pointed out some shortcomings existed in former design parameters and recommended refrencial dimension,which is quite significant in guiding mining design and production practice and helpful for mining engineers' decicion making.
应用岩石力学理论，对普通房柱法矿块结构的主要参数进行了计算，指出了原设计参数选取的不足，推荐了今后的设计尺寸。
Concrete column as substitute for ore pillar in room-and-pillar mining
人工混凝土柱代替原生矿柱在房柱法开采中的应用
Application of Slice and Room-and-Pillar Mining with Overcut in Mofang Mine
分层开采的切顶房柱法在磨坊矿的应用
Study on the Damage patterns and Mechanism of Mined-out Area in Mines using Room-and-Pillar Mining Method
房柱法开采矿山采空区失稳模式及机理
A new method for the mining of gentle dip and mediun thickness orebody
缓倾斜中厚矿体的一种新的采矿方法——深孔放顶连续回采房柱法
APPLICATION OF MIDDLE-LENGTHENED HOLE ROM-AND-PILLAR MINING WITH ADVANCED OVERCUT IN GENTLE DIP MID-THICK OREBODY
中深孔超前切顶房柱法在缓倾斜中厚矿体中的应用
triple-entry room-and-pillar mining
三进路房柱式采矿法
Application of Room and Pillar Mining Method in Under-sea Deposit
分矿房矿柱分层充填法在海底开采中的应用
An Analysis of Management of Ceiling Boards of Mining Way in House-post of Dounan Mine
斗南矿区房柱采矿法顶板管理问题初探
Improvement of Drawing Column Construction Method in the Single Story Industrial Building
单层工业厂房改造中拔柱施工方法的改进
It described the suscessing test with pillar mettled which have applied manual pillar at gentel dip thick orebody in Heging Manganese Mine.
介绍了在鹤庆县锰矿缓倾斜厚矿体中,试验成功的人工柱锚杆房柱采矿法。
Study on Disposition Method of Huge Goaf in Room-And-Pillar-Mining in Pingyi Gypsum Colliery;
平邑石膏矿房柱式开采大面积采空区处理方法研究
Shallow Hole Pillar of a House Fills Mining Law" Application Study in Li lou Iron Mine Hereafter
浅孔房柱嗣后充填采矿法在李楼铁矿的应用研究
Evaluation and Design for the Reinforcement of Brick-concrete Structure Wall by Using Additional Beam-column
外加梁柱加固砖混房屋墙体的设计方法与效果评价
an upright in house framing.
房屋构造中的一种柱子。
high-face room-and-pillar mining
高工作面房柱式开采
This strut braces the beam.
这根柱子支撑房梁。
These posts support the roof.
这些柱子支撑着房顶。
There is a skeleton in every house.
每座房子都有支柱。