Results 1 to 10 of about 163,434 (247)

Study on overburden failure law and surrounding rock deformation control technology of mining through fault. [PDF]

open access: yesPLoS One, 2022
In the mining process of working face, the additional stress generated by the fault changes the law of roadway deformation and failure as well as the law of overburden failure.
Zeng C, Zhou Y, Zhang L, Mao D, Bai K.
europepmc   +2 more sources

Study on surrounding rock deformation and gas control of entry automatically formed by roof cutting in high-gas coal seam

open access: yesEnergy Exploration & Exploitation, 2023
Severe deformation of surrounding rock and excess-gas are the main problems faced in mining of high-gas coal seam. This paper analyzes the deformation characteristics and mechanical model of surrounding rock in high-gas coal seam, and proposes the ...
Hainan Gao   +4 more
doaj   +2 more sources

Numerical Simulation Analysis of Surrounding Rock Deformation of Expansive Rock Roadway under Humidity Field

open access: yesIOP Conference Series: Earth and Environmental Science, 2021
Abstract Based on the measured distribution law of humidity field, according to the humidity stress field theory, the coupling of the humidity field and the ground stress field is realized, and the humidity field is systematically analyzed.
Shichen Diao   +3 more
openaire   +2 more sources

Research on prediction of surrounding rock deformation and optimization of construction parameters of high ground stress tunnel based on WOA-LSTM. [PDF]

open access: yesSci Rep
To accurately understand the deformation behavior of surrounding rock in the jiugongshan No.2 high ground stress tunnel and optimize construction parameters for improved efficiency, on-site monitoring was used to gather data on rock deformation and ...
Yao J, Nie J, Li C.
europepmc   +2 more sources

Nonlinear deformation prediction of tunnel surrounding rock with computational intelligence approaches [PDF]

open access: yesGeomatics, Natural Hazards & Risk, 2020
Deformation of surrounding rock is widely monitored to discover surrounding rock behaviors for purpose of event forecasting. This article aims to present a comparative study on surrounding rock nonlinear deformation prediction using computational ...
Peng He, Fei Xu, Shang-qu Sun
doaj   +2 more sources

The Analysis of Time-Space Effect of Surrounding Rock Deformation of TBM Tunnels in Deep Composite Stratum with or without Support

open access: yesAdvances in Civil Engineering, 2020
In view of difficult problems such as excavation, segment simulation, deformation, and force measurement in the small-scale model testing of deep composite stratum TBM tunnel, the TBM simulation experimental device, the model segment ring prefabrication ...
Xiaoming Sun   +5 more
doaj   +2 more sources

Study on creep deformation and energy development of underground surrounding rock under four‐dimensional support

open access: yesDeep Underground Science and Engineering
There is an urgent need to develop optimal solutions for deformation control of deep high‐stress roadways, one of the critical problems in underground engineering.
Zhanguo Ma   +5 more
doaj   +2 more sources

Displacement analysis of surrounding rock deformation of Baochang tunnel in Yunnan [PDF]

open access: yesE3S Web of Conferences, 2019
According to the problem of deformation of surrounding rock when the double-wall method is adopted in the tunnel, the five tunnel monitoring points are set in the tunnel vault, arch waist and arch foot to simulate the tunnel excavation process.
Zhang Lianghan   +4 more
doaj   +2 more sources

Study on deformation law of roadway surrounding rock under dynamic disturbance

open access: yesMeikuang Anquan
The surrounding rock is in a state of high stress during deep mining of coal mine, and the dynamic disturbance may lead to the instability of the surrounding rock and even rock burst.
Mingkun LUO   +8 more
doaj   +2 more sources

Deformation failure analysis and identification method of zoning type of actual tunnel surrounding rock [PDF]

open access: yesArchives of Civil Engineering, 2023
The research on deformation zoning mechanism of tunnel surrounding rock is of great significance for ensuring safe production and disaster prevention in coal mines.
Wei Jing   +3 more
doaj   +1 more source

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