Slip and instability mechanisms of coal-rock parting-coal structure (CRCS) under coupled dynamic and static loading
文献类型:期刊论文
作者 | Liu, Yang2; Lu, Cai-Ping2,3,4; Liu, Bin5; Xiao, Zi-Yi1; Zhang, Heng2 |
刊名 | ENERGY SCIENCE & ENGINEERING |
出版日期 | 2019-08-30 |
页码 | 17 |
ISSN号 | 2050-0505 |
关键词 | coal-rock parting-coal structure (CRCS) discontinuity dynamic stress instability mechanisms stick-slip |
DOI | 10.1002/ese3.454 |
英文摘要 | The slip and instability mechanisms of coal-rock parting-coal structure (CRCS) under coupled dynamic and static loading were investigated using theoretical analysis and numerical simulations, and the fracture and instability processes were described by monitoring the displacement, strain, and acoustic emissions (AEs) of coal and rock parting blocks. Based on the parameters of dynamic load, three different effects on slip and instability characteristics of CRCS were presented, and the effect mechanisms of static stress, as well as amplitude and frequency of dynamic stress wave, were analyzed in detail. Finally, the direct effect on the slip and instability strength of CRCS and the frequency range of dynamic load for generating synchronous slip along two discontinuities sandwiched between coal and rock parting blocks were discussed. This work is relevant for early warning coal-rock dynamic disasters that are triggered by the slip and fracture instability of CRCS under coupled dynamic and static loading in coal mines. |
资助项目 | National Natural Science Foundation of China[51574225] ; Fundamental Research Funds for the Central Universities[YC150001] ; Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) |
WOS研究方向 | Energy & Fuels |
语种 | 英语 |
出版者 | WILEY |
WOS记录号 | WOS:000484289700001 |
源URL | [http://202.127.146.157/handle/2RYDP1HH/8161] |
专题 | 中国科学院武汉植物园 |
通讯作者 | Lu, Cai-Ping |
作者单位 | 1.Bur Shandong Coal Mine Safety Supervis, Luxi Subbur, Jining, Peoples R China 2.China Univ Min & Technol, Sch Mines, Minist Educ, Key Lab Deep Coal Resource Min, Xuzhou, Jiangsu, Peoples R China 3.Univ Toronto, Dept Civil Engn, Toronto, ON, Canada 4.Univ Toronto, Lassonde Inst, Toronto, ON, Canada 5.Chinese Acad Sci, Inst Rock & Soil Mech, Wuhan, Hubei, Peoples R China |
推荐引用方式 GB/T 7714 | Liu, Yang,Lu, Cai-Ping,Liu, Bin,et al. Slip and instability mechanisms of coal-rock parting-coal structure (CRCS) under coupled dynamic and static loading[J]. ENERGY SCIENCE & ENGINEERING,2019:17. |
APA | Liu, Yang,Lu, Cai-Ping,Liu, Bin,Xiao, Zi-Yi,&Zhang, Heng.(2019).Slip and instability mechanisms of coal-rock parting-coal structure (CRCS) under coupled dynamic and static loading.ENERGY SCIENCE & ENGINEERING,17. |
MLA | Liu, Yang,et al."Slip and instability mechanisms of coal-rock parting-coal structure (CRCS) under coupled dynamic and static loading".ENERGY SCIENCE & ENGINEERING (2019):17. |
入库方式: OAI收割
来源:武汉植物园
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