Results 11 to 20 of about 1,470,376 (107)

Study on the Deformation Mechanism of Soft Rock Roadway under Blasting Disturbance in Baoguo Iron Mine

open access: yesShock and Vibration, 2018
In order to study the deformation mechanism of soft rock roadway in underground mines, it is necessary not only to study the influence of the dynamic disturbance caused by the cyclic mining blasting vibration on the stability of the soft rock roadway but
Hong-di Jing, Yuan-hui Li, Kun-meng Li
doaj   +2 more sources

Large Deformation Characteristics of Surrounding Rock and Support Technology of Shallow-Buried Soft Rock Roadway: A Case Study

open access: yesApplied Sciences, 2022
The coal resources in the coal-rich area of western China are mostly located in the late diagenetic Cretaceous and Jurassic strata. In this paper, a study on the support of soft rock roadways was carried out in the background of the soft rock track ...
Liu Zhu   +4 more
doaj   +2 more sources

Influence Research for Softening and Swelling of Weakly Cemented Soft Rock on the Stability of Surrounding Rock in Roadway

open access: yesGeofluids, 2022
In order to study the influence of the softening and swelling of weakly cemented soft rock on the stability of roadway surrounding rock, based on the background of the general return airway in the south wing of Yuwu coal mine, 4 different schemes are ...
Yan Li, Chao Ma, Lianying Zhang, Bing Li
doaj   +2 more sources

Research and Application of Support Design for Soft Rock Roadway in Strongly Weathering Zone

open access: yesMeikuang Anquan, 2020
To solve the problems of large deformation and supporting difficulties in soft rock roadway in strongly weathering zone, and taking the soft rock roadway along the wind oxidation zone edge of No.
ZHENG Wenxiang, DU Dengji, BAO Xiankai
doaj   +2 more sources

Deformation failure characteristics and support technology of weakly cemented soft rock roadway under water spraying condition

open access: yesMeikuang Anquan, 2021
In order to study the reasonable support technology of weakly cemented soft rock roadway under water spraying condition, the 12307 return airway of Selian No.2 mine was taken as the background.
HAO Ming, PAN Xiahui, ZHANG Boyang
doaj   +2 more sources

Mining dynamic stress evolution law and surrounding rock control technology of high stress soft rock roadway in Libi Coal Mine [PDF]

open access: yesMeikuang Anquan
In order to solve the problem of deep high stress argillaceous soft rock floor drainage roadway affected by mining disturbance, taking the layout optimization and surrounding rock control of deep argillaceous soft rock floor drainage roadway in Libi Coal
Liangshan LI   +5 more
doaj   +2 more sources

Principle and technology of step strengthening control of soft rock argillization roadway in coal mine [PDF]

open access: yesMeitan xuebao
The sedimentary rock strata of the coal measure are generally characterised by significant argillity, high water content and weak lithology. The problem of controlling the stability of the surrounding rock in soft rock argillation roadways has become ...
Guichen LI   +6 more
doaj   +2 more sources

Deformation Mechanism and Support Technology of Deep and High-Stress Soft Rock Roadway

open access: yesAdvances in Civil Engineering, 2021
In this study, the analysis and control of stability of surrounding rock in deep fractured soft rock roadway located in the underground mine of Jinfeng gold mine in Guizhou Province, China, has been investigated.
Lujing Zheng   +3 more
doaj   +2 more sources

Fracturing of the Soft Rock Surrounding a Roadway Subjected to Mining at Kouzidong Coal Mine

open access: yesAdvances in Civil Engineering, 2020
The fracture development and distribution around the deep soft rock roadway are pivotal to any underground design. In this paper, both field investigation and numerical simulation were taken to study the fracture evolution and rock deformation of a coal ...
Zhili Su   +4 more
doaj   +2 more sources

Full Anchor Cable Support Mechanism and Application of Roadway with Thick Soft Rock Mass Immediate Roof

open access: yesApplied Sciences, 2023
The focus of this paper is the thick soft rock mass roof of the track roadway in the No. 3606 panel of the Chaili Coal Mine. Due to its substantial thickness, the soft rock mass roof of the roadway is susceptible to damage and deformation during the ...
Yongjie Yang, Lingren Meng, Tianli Zhang
doaj   +2 more sources

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