Results 11 to 20 of about 8,180 (295)
Controlling Mechanism of Rock Burst by CO2 Fracturing Blasting Based on Rock Burst System
Rock burst induced by mining is one of the most serious dynamic disasters in the process of coal mining. The mechanism of a rock burst is similar to that of a natural earthquake.
Tianwei Lan +4 more
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Prediction of Grade Classification of Rock Burst Based on PCA-SSA-PNN Architecture
The uncertainty and complexity of rock burst brings great difficulties to the prediction of rock burst grades. In order to estimate the risk grades of rock burst, an integrated method combining principal component analysis (PCA) and sparrow search ...
Zhenyi Wang, Yalei Wang, Xiaoliang Jin
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The Rock Burst Hazard Evaluation Using Statistical Learning Approaches
The great threat and destructiveness brought by a rock burst make its prediction and prevention crucial in engineering. The rock burst hazard evaluation at project locations is an effective way of preventing rock burst since currently real-time ...
Jie Chen +9 more
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Rock burst is a serious nonlinear dynamic geological hazard in underground engineering construction. In this paper, a true triaxial unloading rock burst experiment and numerical simulation are carried out on Tianhu granite to investigate the rock burst ...
Jinzhu Hu +5 more
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Rock Burst and Actually Effective Bolting for Rock Burst Prevention
Rock burst represents a very dangerous phenomenon in deep underground mining, as well as for underground structures in unfavourable conditions (great depth, high horizontal stress, proximity of major tectonic structures, etc.).
Ngoc Minh Nguyen, Duc Thang Pham
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Study on Monitoring Rock Burst through Drill Pipe Torque [PDF]
This paper presents a new method to identify the danger of rock burst from the response of drill pipe torque during drilling process to overcome many defects of the conventional volume of drilled coal rubble method.
Zhonghua Li +3 more
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Case Study of the Characteristics and Mechanism of Rock Burst near Fault in Yima Coalfield, China
Deep mining near faults may easily cause rock bursts, which seriously threaten mining safety. Based on the engineering background of deep mining near fault in Yima coalfield, by collecting the rock burst events that happened near fault during deep mining,
Zhenhua Jiao +3 more
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Experimental investigation into rock burst proneness of rock materials considering strain rate and size effect [PDF]
In deep rock engineering, evaluating the likelihood of rock burst is imperative to ensure safety. This study proposes a new metric, the post-peak dissipated energy index, which accounts for strain rate and size effects in assessment of the rock burst ...
Xiaobin Li +6 more
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Rock burst disasters occurring in underground high-stress rock mass mining and excavation engineering seriously threaten the safety of workers and hinders the progress of engineering construction.
Shaohong Yan +3 more
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Blasting pressure relief technology for preventing rock burst in deep heading roadway
In order to solve the problems of low pressure relief intensity, untimely pressure relief and high labor intensity in the prevention and control of rock burst by using large diameter borehole pressure relief in deep heading roadway, taking the 401103 ...
MA Wentao +4 more
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