The difficult positions of the soft rock ring of the driftages in Tian-bao-shan ore body No 2 of Hui Li Zinc Mine are presented and the reasons for the soft rock ring are analysed and the synthetical administrative ways with smooth blasting, gunite lining, protecting hole bolts etc are advanced and the experiment results and experiences are obtaine
介绍了会理锌矿天宝山Ⅱ号矿体凿岩巷道周边岩石松散圈对生产造成的困境，分析了松散圈形成的原因，提出了对松散矿岩中凿岩巷道周边岩石松散圈进行光面爆破、喷浆支护、锚杆护孔等综合治理的方法以及取得的效果
STABILITY ANALYSIS OF LOOSE SURROUNDING ROCK WITH SHALLOW OVERBURDEN BY A DISCRETIZATION FINITE ELEMENT METHOD
一种浅埋松散围岩稳定性离散化有限元分析方法探讨
Ultrasonic test analysis of the loose zone of the wall rock;
隧道围岩松弛范围的超声波测试分析
Study on Construction Technique of Shallow Tunnel in Soft Rock and Analysis of Its Dynamic Mechanic Behavour by 3D-FEM;
松散破碎围岩浅埋隧道施工技术研究及其动态力学行为的三维有限元分析
Application of Soft Encircling Rock Supporting Technology in Gaocheng Colliery Wang
松软围岩支护技术在告成煤矿的应用
Influence of Vibration of Blasting for Driving Rock Roadway on Stability of Surrounding Rock
岩巷掘进爆破震动对围岩松动圈影响的研究
Study of measuring the broken zone in soft rock roads in Daye Iron Mine
大冶铁矿软岩巷道围岩松动圈的测试研究
An unconsolidated mixture of rock fragments or pebbles.
砾石岩石碎片或卵石的松散的混合物
Loose sediments may be changed into solid sedimentary rocks.
松散的沉积物可以变成坚硬的沉积岩。
Study on Reasonable Width of Coal and Rock Pillar under Thick Aquiferous Loose Bed;
厚含水松散层下煤岩柱合理留设研究
Research on Core Drilling in Loose Formation from In-Situ Leaching Sand Uranium Deposit;
地浸砂岩型铀矿松散岩层取心钻进技术研究
LOOSENING EFFECT OF THE CONTROLLED BLASTING ON ADJOINING ROCK
周边控制爆破引起的围岩松动效应分析
A Back Analysis Method for Strength Parameters of the Surround Rock in the Blast Loosen Range of Tunnel;
洞室围岩松动圈强度参数反演分析探索
Study on Acoustic Detecting Application of Tunnel Surrounding Rock Loose Circle
隧道围岩松动圈声波探测技术应用研究
Borehole Camera Technology for Measuring the Relaxation Zone of Surrounding Rock: Mechanism and Application
钻孔摄像测试围岩松动圈的机理与实践
DISPLACEMENT BACK ANALYSIS OF PARAMETER FIELD IN UNDERGROUND ENGINEERING BASED ON EXCAVATION DAMAGED ZONE OF SURROUNDING ROCK
基于围岩松动圈的地下工程参数场位移反分析
Development mechanism and engineering control technology for surrounding rock loose circle of deeply embedded long tunnel
深埋长大隧洞围岩松动圈发展机理分析与控制
Measurement and Application of Pressure Released Ring Zone in Surrounding Rock of Mining Gateway Island Coal Mining Face
孤岛工作面回采巷道围岩松动圈测试与应用
Formation Setting of the Mesozoic Volcanic Rocks in Xujiaweizi,Songliao Basin
松辽盆地徐家围子中生代火山岩形成环境