surrounding rock

Study on the transfiguration and failure mechanism of gate-road surrounding rock in the bottom slicing;

内错式下分层回采巷道围岩变形破坏机理研究

Influence of mining velocity on mechanical characteristics of surrounding rock in fully mechanized top-coal caving face;

开采速度对综放面围岩力学特征影响研究

Design of bolt support for buttock base on surrounding rock classification method of pressure releasing zone;

基于松动圈围岩分类法煤帮锚杆支护设计

The comparison between orebodies and wall rocks of the fine disseminated gold deposits;

微细浸染型金矿床矿体与围岩对比研究

The dynamic simulation of the tunnel construction process in the section of soft fluid wall rock;

软流塑围岩段隧道施工过程的动态模拟

Analysis for water complex diversion tunnel safety monitor and wall rock stability in Laolongkou;

老龙口水利枢纽引水隧洞安全监测及围岩稳定分析

Effect of coal pillar width on the stress distribution law of surrounding rocks in fully mechanized top-coal caving mining face;

煤柱宽度对综放面围岩应力分布规律影响

Rheological buckling for surrounding rocks with slab-rent structure;

板裂介质围岩的流变屈曲研究

Application of tunnel monitoring in surrounding rock mass dynamic classification;

隧道监控量测在围岩动态分级中的应用

Recognition of collapse type of surrounding rock mass based on support vector machine;

围岩破坏模式识别的支持向量机研究

Identification of collapse type of surrounding rock mass of tunnels using evolutionary neural network;

隧道围岩破坏模式的进化神经网络识别

Analytic solution to complex lining of tunnels in viscoelastic country rock;

粘弹性围岩复合式隧道衬砌解析解

Numerical simulation analysis of mechanism of seismic deformation damage of country rock of grottoes;

石窟围岩地震变形破坏机制的数值模拟分析

However,in the ex-cambrian system stratum,the different country rock,carry on different influence to ore-forming process.

对东秦岭-大别山钼成矿带25个钼矿床赋矿地层及围岩进行统计观察,可清楚看出,所有钼矿床赋矿地层均为前寒武系老地层,无一例外。

Variation characteristics of tunnel adjacent rock and shotcrete rockbolt support action;

浅谈隧道围岩变化特性和锚喷支护作用

It shows that the adjacent rock is stable by analysis of influence and characteristics of stability of adjacent rock and support structure during construction.

对某水电站左岸1#、2#导流洞施工期进行安全监测,通过获取的大量施工期监测数据及成果,分析、总结了施工对于围岩稳定和支护结构的影响规律及特征,分析表明围岩已趋于稳定。

Incorporated with practical construction experiences of Shijiagou tunnel,the performed core-soil sidestep construction scheme on the Ⅳ and Ⅴ grade adjacent rock were introduced from advanced support,upper,middle and down excavation,initial concrete spraying,upping steel frame,which expected to be referenced to the similar tunnel construction.

结合师家沟隧道的实际施工经验,从超前支护,上、中、下导开挖,初喷,立钢架等方面介绍了在Ⅳ级,Ⅴ级围岩中预留核心土台阶法的施工步骤,以期为同类型隧道的施工提供参考借鉴。

deformation of surrounding rock for underground excavation

岩质地下洞室围岩变形

On stability of surrounding rock and its control in underground projects

浅谈地下工程围岩稳定性与围岩控制

stability of rock mass and soil mass surroundingunderground excavation

地下洞室围岩（土）稳定性

Deformation Monitoring of Surrounding Rock and Back Analysis on Surrounding Rock Mechanics Parameters for Tunnel;

隧道围岩变形监测与围岩参数的反演分析

Research on Prediction Method of Surrounding Rock Pressure Base on Tunnel Progressive Destruction

隧道围岩渐进性破坏及围岩压力预测方法研究

STABILITY OF THE ANCHORAGE WALL ROCK OF TUNNEL FOR CHONGQING EGONGYAN BRIDGE

重庆鹅公岩大桥隧道锚碇围岩稳定性

Analysis of Surrounding Rock Stability of Soft Rock Tunnel and Study on Its Supports;

软岩隧道围岩稳定性分析与支护研究

The protolith restoration of the second diggings wall rock in Gongchangling iron ore,Liaoning province

辽宁弓长岭铁矿二矿区围岩原岩恢复

Methods for surrounding rock sub-classification of road tunnels

公路隧道岩质围岩亚级分级方法研究

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

The heat and pressure from igneous intrusion cause the alteration of surrounding rocks.

入侵岩浆的热能和压力导致了围岩的变化。

Surrounding Rock in Chongqing Tongyu Tunnel

重庆通渝隧道围岩岩石变形的实验研究

The country rock of the orebody are dolomites of Gaoyuzhuang Formation(Middle Proterozoic era).

矿床围岩以中元古界高于庄组白云岩为主。

Study on Rock Mass Sub-Classification in Construction Stage for Road Tunnel;

公路隧道施工阶段岩体围岩亚级分级研究

Study on Mechanism of Rock Localization Deformation and Bifurcation Instability of Roadway Surrounding Rock;

岩石局部化变形与巷道围岩分岔失稳机理研究

Study and Analysis on the Deformation Laws of Soft Rock Roadways in Longkou Sea Area;

龙口海域软岩巷道围岩变形规律分析研究

Analysis and FEM Stimulation of the Dilatancy and the Plastic Softening Deformation in Soft Rock Tunnel;

软岩巷道围岩扩容—塑性软化变形及有限元分析

Mechansim of Deformation of Soft Rock Roadway with High Horizontal Geo-stress and Its Supporting Measures;

高水平应力软岩巷道围岩变形机理及支护对策