Effects of gas adsorption on mechanical properties and erosion mechanism of coal
文献类型：期刊论文
| 作者 | Wang, Enyuan1; Hu, Shaobin2; Li, Xiaochun2 ; Bai, Bing2
|
| 刊名 | JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING
 |
| 出版日期 | 2016 |
| 卷号 | 30页码:531-538 |
| 关键词 | Gas adsorption Coal Deformation and failure Erosion |
| ISSN号 | 1875-5100 |
| DOI | 10.1016/j.jngse.2016.02.039 |
| 英文摘要 | In order to study coal deformation and fractured mechanism under pore gas action, we chose gases N-2 and CH4 as pore fluids, and carried out triaxial compression test of gas-bearing coal. To further explore the effects of gas erosion on coal deformation and failure, we tested the deformation and rapture process of coal during gas adsorption equilibrium under fixed axial load and confining pressure. The results showed that gas adsorption decreases coal's solid surface energy and lowers coal's compressive strength, leading to larger plastic deformation in coal and final rupture instability. From the physicochemical angle, we quantified the adsorbed gas erosion effects of coal based on both Griffith crack extension theory and Mohr Columb strength criterion, explored the mechanical characteristics and erosion damage process of gas containing coals and put forwarded their mathematical models. These models can describe the experimental phenomena fairly. (C) 2016 Elsevier B.V. All rights reserved. |
| WOS研究方向 | Energy & Fuels ; Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000375357600049 |
| 出版者 | ELSEVIER SCI LTD |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/3843]  |
| 专题 | 岩土力学所知识全产出_期刊论文 国家重点实验室知识产出_期刊论文 |
| 作者单位 | 1.China Univ Min Technol, Sch Safety Engn 2.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn ; |
| 推荐引用方式 GB/T 7714 | Wang, Enyuan,Hu, Shaobin,Li, Xiaochun,et al. Effects of gas adsorption on mechanical properties and erosion mechanism of coal[J]. JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING,2016,30:531-538. |
| APA | Wang, Enyuan,Hu, Shaobin,Li, Xiaochun,&Bai, Bing.(2016).Effects of gas adsorption on mechanical properties and erosion mechanism of coal.JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING,30,531-538. |
| MLA | Wang, Enyuan,et al."Effects of gas adsorption on mechanical properties and erosion mechanism of coal".JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING 30(2016):531-538. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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