IMECH-IR  > 水动力学与海洋工程重点实验室(2009-2011)
Alternative TitleExperimental study of static and dynamic properties of tetrahydrofuran hydrate-bearing sediments
张旭辉; 鲁晓兵; 王淑云; 李清平
Source Publication岩土力学
Other AbstractBy using the integrated experimental apparatus for syntheses of gas hydrate sediment and triaxial tests,a series of static and dynamic tests are conducted on the tetrahydrofuran(THF) hydrate with fine sand and Mongolia sand as the skeleton.The stress-strain curves,strength and liquefaction characteristics of the sediments before and after hydrate dissociation are obtained.The mechanical properties of the two kinds of hydrate sediments with fine sand and Mongolia sand as the skeleton,as well as the liquefaction characteristics of the sediment after dissociation of hydrate and the corresponding saturated sand are compared.It is shown that the hydrate-bearing sediments all behave as plastic failure,strength of which the increases with the formation of hydrate and the confining pressure.The dissociation of hydrate can lead to the great decrease of the strength of the sediments.The liquefaction of the sediment after dissociation of hydrate needs shorter time relative to the corresponding saturated sand.
Keyword水合物沉积物 应力-应变关系 抗剪强度 液化
Subject Area力学
Indexed ByEI
Funding Organization国家自然科学基金项目(No.1077218);国家高技术研究发展专项863项目(No.2006AA09A209―7)
Document Type期刊论文
Corresponding Author张旭辉
Recommended Citation
GB/T 7714
张旭辉,鲁晓兵,王淑云,等. 四氢呋喃水合物沉积物静动力学性质试验研究[J]. 岩土力学,2011,32(S1):303-308.
APA 张旭辉,鲁晓兵,王淑云,&李清平.(2011).四氢呋喃水合物沉积物静动力学性质试验研究.岩土力学,32(S1),303-308.
MLA 张旭辉,et al."四氢呋喃水合物沉积物静动力学性质试验研究".岩土力学 32.S1(2011):303-308.
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