support from the National Natural Science Foundation of China (Grant Nos.51927807,42077267 and 42277174).
A complex geological environment with faults can be encountered in the process of coal mining.Fault activation can cause instantaneous structure slipping,releasing a significant amount of elastic strain energy during ...
supported by the National Natural Science Foundation of China(Grant Nos.41572334,41941018);the Fundamental Research Funds for the Central Universities(Ph.D.Top Innovative Talents Fund of CUMTB)(Grant No.BBJ2024078)。
The kinetic energy of the ejected fragments is an effective index for quantitatively evaluating the failure severity of rockburst.To improve the measurement accuracy of the kinetic energy,the total kinetic energy was ...
funded by National Natural Science Foundation of China(Grants Nos.41825018 and 42141009);the Second Tibetan Plateau Scientific Expedition and Research Program(Grants No.2019QZKK0904)。
As one of the most serious geological disasters in deep underground engineering,rockburst has caused a large number of casualties.However,because of the complex relationship between the inducing factors and rockburst ...
the financial support of the Key Technologies Research and Development Program(Grant No.2022YFC3003302);the National Natural Science Foundation of China(Grant Nos.51934007 and 52104230).
Deep coal-energy mining frequently results in microseismic(MS)events,which may be a precursor to the risk of rockbursts and pose risks to human safety and infrastructure.Therefore,quantitatively predicting the time,en...
funded by the National Natural Science Foundation of China (No. 52304133);the National Key R&D Program of China (No. 2022YFC3004605);the Department of Science and Technology of Liaoning Province (No. 2023-BS-083)。
Rockbursts, which mainly affect mining roadways, are dynamic disasters arising from the surrounding rock under high stress. Understanding the interaction between supports and the surrounding rock is necessary for effe...
supported by the National Key Research and Development Program of China(No.2023YFC2907600);the National Natural Science Foundation of China(Nos.42477166 and 42277174);the Fundamental Research Funds for the Central Universities,China(No.2024JCCXSB01);the Opening Project of State Key Laboratory of Explosion Science and Safety Protection,Beijing Institute of Technology(No.KFJJ24-01M);the Open Foundation of Collaborative Innovation Center of Green Development and Ecological Restoration of Mineral Resources(No.HLCX2024-04)。
With resource exploitation and engineering construction gradually going deeper,the surrounding rock dynamic disaster becomes frequent and violent.The anchorage support is a common control method of surrounding rock in...
National key research and development program(2022YFC3004603);National Natural Science Foundation of China(52274098);National Natural Science Foundation of China-National major scientific research instrument development project(52227901);Jiangsu Province International Collaboration Program-Key national industrial technology research and development cooperation projects(BZ2023050).
With the increase of mining scope,rockburst occurs frequently,but its generation mechanism has not been understood comprehensively.Based on a rockburst in the coal pillar area of high tectonic stress zones(HTSZs),this...
the National Natural Science Foundation of China(Nos.41825018,42141009);the Second Tibetan Plateau Scientific Expedition and Research Program(STEP)(No.2019QZKK0904).
This study presents the classification and prediction of severity for brittle rock failure,focusing on failure behaviors and excessive determination based on damage depth.The research utilizes extensive field survey d...
supported by the National Natural Science Foundation of China(Grant No.42077244).
This study investigated the sidewall rockburst characteristics of highly stressed circular tunnel subjected to impact loads resulting from rock blasting or other mining-related dynamic disturbances,aiming at exploring...
supported by the National Key Research and Development Program of China-2023 Key Special Project(No.2023YFC_(2)907400);the Hunan Provincial Natural Science Foundation for Distinguished Young Scholars,China(No.2023JJ10072);the Science and Technology Innovation Program of Hunan Province,China(No.2022RC1173);the Fundamental Research Funds for the Central Universities of Central South University,China(No.2023ZZTS0499).
To study the influence of axial stress on the failure characteristics of deep arched roadway considering structural effect,true triaxial compression tests were conducted on cubic granite specimens with a three-centere...