On the damage constitutive model for hydrated shale using CT scanning technology
文献类型：期刊论文
| 作者 | Chen, Ping2; Ma, Tianshou1,2; Yang, Chunhe1; Wang, Xudong2; Guo, Yintong1 |
| 刊名 | JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING
 |
| 出版日期 | 2016 |
| 卷号 | 28页码:204-214 |
| 关键词 | Shale gas Shale hydration X-ray CT Damage constitutive model Stress-strain curve |
| ISSN号 | 1875-5100 |
| DOI | 10.1016/j.jngse.2015.11.025 |
| 英文摘要 | A novel characterization method for identifying hydrated shale damage characteristics is presented using X-ray CT (computed tomography) scanning technology and damage mechanics. Furthermore, a constitutive damage model was proposed based on the evolution equation of the damage variable for hydrated shale. On this basis, a theoretical method for quantitatively describing the mechanical effects caused by chemical reactions can be obtained via the integration of the aforementioned methods. X-ray CT scanning was conducted on shale samples from the Wufeng-Longmaxi Formation to investigate the internal damage and hydrated shale evolution laws. Uniaxial compression tests were utilized to investigate the complete stress strain curves during the different hydration stages. The results indicated that the damage variable gradually increases with increasing immersion time. The damage variable growth rate is greater during the initial stage, but it slows with increased immersion time. The complete stress strain curves simulated by the damage constitutive model are relatively consistent with the experimental results. The results suggest that this model accurately describes the mechanical effects induced by shale hydration. This method could help to improve research methods and chemically and mechanically coupled wellbore stability analyses. (C) 2015 Elsevier B.V. All rights reserved. |
| WOS研究方向 | Energy & Fuels ; Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000370457700019 |
| 出版者 | ELSEVIER SCI LTD |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/3807]  |
| 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.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn ; 2.Southwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita |
| 推荐引用方式 GB/T 7714 | Chen, Ping,Ma, Tianshou,Yang, Chunhe,et al. On the damage constitutive model for hydrated shale using CT scanning technology[J]. JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING,2016,28:204-214. |
| APA | Chen, Ping,Ma, Tianshou,Yang, Chunhe,Wang, Xudong,&Guo, Yintong.(2016).On the damage constitutive model for hydrated shale using CT scanning technology.JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING,28,204-214. |
| MLA | Chen, Ping,et al."On the damage constitutive model for hydrated shale using CT scanning technology".JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING 28(2016):204-214. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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