Results 181 to 190 of about 163,434 (247)

Mechanism and control technology of roadway floor heave deformation and failure under the influence of repeated mining in multiple coal seams. [PDF]

Sci Rep
Yuping F, Yiming R, Yongliang H, Chuantian L.   +3 more
europepmc   +1 more source

The Impact of Deformable Surrounding Rocks on Naturally-Fractured Reservoir Simulation

Journal of Civil Engineering and Architecture
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Effect of Water on Tunnel Face and Surrounding Rock Deformation

Indian Geotechnical Journal, 2021
To keep construction safe in water-rich stratum is one of the most challenging problems faced by tunnel designers and constructors. In this paper, the Shuiqing Tunnel, as for the engineering background, is located in Bijie-Zhenxiong Highway, Guizhou Province, China. The New Austria Tunneling Method is adopted.
Yonglin An, Jin Zhou, Wenxuan Hu, Jiahao Li   +3 more
semanticscholar   +3 more sources

MOVEMENT AND DEFORMATION CONTROL IN SURROUNDING ROCK MASS

News of the Tula state university. Sciences of Earth, 2023
The paper describes implementation of geomechanical monitoring of movements and deformations in rock mass and mine structures in hybrid open pit/underground mining. The case-study of extraction ofAikhal kimberlite pipe reserves under bottom of an open pit ofAL- ROSA allows examining the pitwall rock mass stability control using subsurface check points ...
V.D. BARYSHNIKOV, D.V. BARYSHNIKOV
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Deformation characteristics of surrounding rock of broken and soft rock roadway

Mining Science and Technology (China), 2009
Abstract A similar material model and a numerical simulation were constructed and are described herein. The deformation and failure of surrounding rock of broken and soft roadway are studied by using these models. The deformation of the roof and floor, the relative deformation of the two sides and the deformation of the deep surrounding rock are ...
Jin-xi WANG, Ming-yue LIN, Duan-xin TIAN, Cun-liang ZHAO   +3 more
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Study on the Deformation and Stability of Surrounding Rock

Applied Mechanics and Materials, 2012
To rely on nuclear power plant water tunnel project, through the numerical simulation methods, we analysized the extent of rock deformation and stability of the process of excavation and supporting to reveal the deformation near the working face of rock tunnel.The research results show: When carrying out tunnel excavation, the plastic deformation zone ...
Sheng Ji Jin, Yong Qin Rui, Zhe Shu
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Surrounding Rock Deformation Properties and Control Technique for Roadway along Goaf in Soft Rock

Advanced Materials Research, 2014
Deformation of roadway driving along goaf was very serious during mining in Qidong coal Mine.This paper took the roadway as the engineering background, firstly, numerical simulation of the roadway has been made by FLAC3D,then its surrounding rock deformation properties and stress distribution were analyzed,the reinforcement technology was proposed ...
Ming Yang, Xin Zhu Hua, Deng Hong Chen
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Study on Surrounding Rock Deformation Characteristics and Control Technology in Deep Soft Rock Roadway

Advanced Materials Research, 2012
To explore support technical problems in deep soft rock roadway, according to deep complicated geological conditions in 102 transport rise of Yuandian Mine, obtaining deformation characteristics of roadway in the initial support scheme under conditions, analysing the reasons of instability and failure of surrounding rock, proposing the surrounding rock
Wen Hua Zha, Xin Zhu Hua
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Study on Deformation Failure Mechanism and Control Technology of Surrounding Rock in Soft Rock Roadway

Geotechnical and Geological Engineering, 2021
In order to reveal the mechanism of surrounding rock deformation and instability of soft rock roadway in 12# working face of Puhe coal mine, and synthetical analysis of the surrounding rock, deformation and failure of the roadway shows that the original support scheme is difficult to maintain the stability of roadway.
Xiangqian Wang, Yingming Li, Chengxing Zhao, Yi Wang, Shunjie Huang   +4 more
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Clustering Analysis on Deformation of Weak Surrounding Rock in Shangguan Tunnel

ICCTP 2011, 2011
As a data mining technique, clustering analysis method can not only accurately describe data, but also discover the similarity of different data sources and make cluster classification. In this paper, the Shangguan tunnel engineering in Hangrui highway is taken as an example, the monitoring deformation data of the weak surrounding rock are clustering ...
Suxun Shu, Wenhui Gong, Huiming Zhan
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