Results 11 to 20 of about 163,434 (247)

Research on Deformation Mechanism of Underground Chamber Surrounding Rock Based on the Influence of Surrounding Rock Stress Path [PDF]

open access: yesIOP Conference Series: Earth and Environmental Science, 2021
Abstract During the construction of the pumped-storage power station, problems such as the stability of the surrounding rock of the underground chamber of the powerhouse appeared, which put forward higher requirements for the safety of the construction of the project.
Guo mingqun   +5 more
openaire   +1 more source

Analysis on Loose Circle of Surrounding Rock of Large Deformation Soft‐Rock Tunnel [PDF]

open access: yesAdvances in Civil Engineering, 2020
With the rapid development of tunnel construction in China, deep buried and long tunnel projects are emerging in areas with complex engineering geological conditions and harsh environment, and thus large deformation of tunnels under conditions of high in situ stress and soft rock becomes increasingly prominent and endangers engineering safety ...
Rui Wang   +5 more
openaire   +2 more sources

Mechanical manifestation characteristics and damage evolution law of unloading perturbation damage in surrounding rock of deep roadways

open access: yesGeomechanics and Geophysics for Geo-Energy and Geo-Resources
Aiming at the problems of stress concentration, large deformation and serious damage in surrounding rock of deep roadways under excavation unloading disturbance conditions, the micro and macro mechanical properties and damage patterns of deep rock ...
Xinfeng Wang   +4 more
doaj   +2 more sources

Deformation Mechanism and Surrounding Rock Control in High‐Stress Soft Rock Roadway: A Case Study [PDF]

open access: yesAdvances in Civil Engineering, 2021
Stability control for soft and broken surrounding rock of roadways is one important segment of mining support. Taking 1412 Roadway of a mine in Guizhou province as a research background, this paper studies the large deformation of surrounding rock and the failure of bolts and cables.
Yuwen Gao   +4 more
openaire   +2 more sources

Construction and Application of LSTM-Based Prediction Model for Tunnel Surrounding Rock Deformation

open access: yesSustainability, 2023
Tunnel surrounding rock deformation is a significant issue in tunnel construction and maintenance and has garnered attention from both domestic and international scholars.
Yongchao He, Qiunan Chen
semanticscholar   +1 more source

Analysis of Loose Surrounding Rock Deformation and Slope Stability at Shallow Double-Track Tunnel Portal: A Case Study

open access: yesApplied Sciences, 2023
A low-clearance tunnel portal in the shallow-buried, joint-developed, broken, and loose surrounding rock slope deposit may cause safety issues during construction.
Chenguang Li   +4 more
semanticscholar   +1 more source

Research on surrounding rock control technology of deep roadway based on butterfly failure theory

open access: yesMeitan kexue jishu, 2023
At present, roadway surrounding rock control is still one of the major problems in deep mining of coal resources. The formation and development of the plastic zone of the surrounding rock is the main cause of large deformation and failure of roadway.
WANG Weijun   +3 more
doaj   +1 more source

A Case Study on Surrounding Rock Deformation Control Technology of Gob-Side Coal-Rock Roadway in Inclined Coal Seam of a Mine in Guizhou, China

open access: yesProcesses, 2022
Surrounding rock deformation control of gob-side coal-rock roadway in inclined coal seams (GCRICS) is a major problem in gob-side entry technology application practice. This paper describes a case study of the surrounding rock deformation characteristics
Peng Liu   +8 more
semanticscholar   +1 more source

Research on large deformation mechanism and repair support technology of high stress soft rock roadway

open access: yesGong-kuang zidonghua, 2021
In the context of the destruction and continuous deformation of the surrounding rock of the high stress soft rock roadway, how to scientifically and reasonably repair and support the roadway that has undergone large deformation, and how to achieve ...
YAN Xiaowei
doaj   +1 more source

Numerical Research on Fractured Surrounding Rock Deformation and Failure Law Caused by Submarine Mining

open access: yesWater, 2022
The existence of cracks has a considerable influence on the deformation failure characteristics and mechanical behavior of the surrounding rock mass. For submarine mining in particular, if a fractured zone in which water is flowing is formed between the ...
Guang Li, Gang Liu, F. Ma, Jie Guo
semanticscholar   +1 more source

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