Study on the mechanical properties of hydrate-bearing silty clay
文献类型：期刊论文
| 作者 | Zhang XH(张旭辉) ; Lu XB(鲁晓兵); Shi YH; Xia Z
|
| 刊名 | MARINE AND PETROLEUM GEOLOGY
 |
| 出版日期 | 2015-11 |
| 卷号 | 67页码:72-80 |
| 通讯作者邮箱 | zhangxuhui@imech.ac.cn ; xblu@imech.ac.cn ; yaohongshi@126.com ; xia-zhen@163.com |
| 关键词 | Hydrate Silty-clay Secant modulus Shear strength The Drucker-Prager criterion The mixed law |
| ISSN号 | 0264-8172 |
| 产权排序 | [Zhang, X. H.; Lu, X. B.] Chinese Acad Sci, Inst Mech, Key Lab Fluid Solid Coupling Syst Mech, Beijing 100190, Peoples R China; [Shi, Y. H.; Xia, Z.] Guangzhou Marine Geol Survey, Marine Environm & Engn Geol Survey, Guangzhou 510075, Guangdong, Peoples R China |
| 通讯作者 | Zhang, XH (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Fluid Solid Coupling Syst Mech, Beijing 100190, Peoples R China. |
| 中文摘要 | The mechanical properties are important for the evaluation of stratum deformation and instability in hydrate exploitation. By using an integrated test apparatus for synthesis of hydrate sediment and triaxial tests, a series of compression tests is conducted on the silty clay containing tetrahydrofuran hydrate (SCTH) similar to that of South China Sea. The stress-strain curves and Mohr circles are obtained at different degree of hydrate saturations and confining pressures. The silty clay containing tetrahydrofuran hydrate shows typical ductile behavior, the shear strength increases linearly with the increase of hydrate saturation and confining pressure. The secant modulus increases with the increase of hydrate saturation. The shear strength is analyzed based on the Drucker-Prager criterion, Mohr-Coulomb criterion, Lade-Duncan criterion, while the secant modulus is analyzed using the mixed law of composite materials. It is shown that the strength can be well described by the Drucker-Prager criterion and Mohr-Coulomb criterion, and the secant modulus is close to the harmonic average of the modulus of soil skeleton and hydrate in SCTH. (C) 2015 Elsevier Ltd. All rights reserved. |
| 分类号 | 二类/Q1 |
| 类目[WOS] | Geosciences, Multidisciplinary |
| 研究领域[WOS] | Geology |
| 关键词[WOS] | METHANE GAS HYDRATE ; SEDIMENTS ; STRENGTH ; BEHAVIOR |
| 收录类别 | SCI ; EI |
| 原文出处 | http://dx.doi.org/10.1016/j.marpetgeo.2015.04.019 |
| 语种 | 英语 |
| WOS记录号 | WOS:000366066500005 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/58320]  |
| 专题 | 力学研究所_流固耦合系统力学重点实验室(2012-) |
| 推荐引用方式 GB/T 7714 | Zhang XH,Lu XB,Shi YH,et al. Study on the mechanical properties of hydrate-bearing silty clay[J]. MARINE AND PETROLEUM GEOLOGY,2015,67:72-80. |
| APA | 张旭辉,鲁晓兵,Shi YH,&Xia Z.(2015).Study on the mechanical properties of hydrate-bearing silty clay.MARINE AND PETROLEUM GEOLOGY,67,72-80. |
| MLA | 张旭辉,et al."Study on the mechanical properties of hydrate-bearing silty clay".MARINE AND PETROLEUM GEOLOGY 67(2015):72-80. |
入库方式： OAI收割
来源：力学研究所
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