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Advances in study of mechanical properties of gas hydrate-bearing sediments
Lu XB(鲁晓兵); Zhang XH(张旭辉); Wang SY(王淑云)
2013-12
发表期刊THE OPEN OCEAN ENGINEERING JOURNAL
卷号6页码:26-40
ISSN1874-835X
摘要Gas hydrate (GH) is defined as the crystalline solid, or clathrate hydrate, which are formed by some kinds of low mass molecular gases, such as methane, carbon dioxide, and hydronitrogen, with water at relatively high pressure and low temperature conditions. Gas hydrate-bearing sediments (HBS) are some sand, clay and mixed sediment containing gas hydrates. Advances in the study on the mechanical properties of HBS are summarized mainly in aspects of the laboratory test, in-situ investigation, and theoretical model. Firstly, the main factors are discussed including the structure of GH, formation method and matrix characteristics of HBS; Secondly, progress on the laboratory tests and results are discussed, which mainly includes the tri-axial tests with the natural and synthesized HBS samples, the acoustic tests for measuring the elastic coefficients, the tests for investigating the effects of main factors such as the gas and water contents and soil types on the strength of HBS. Thirdly, for in-situ investigations, including the geophysical surveying, in-situ tests (such as downhole tests) and results are summarized; Fourthly, several theoretical models for estimating the mechanical properties of HBS are introduced; At last, the emphases and the tendency in the future study on the mechanical properties of HBS are discussed.
关键词Gas Hydrate Sediments In-situ Test Laboratory Test Theoretical Model
学科领域岩体力学和土力学
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语种英语
项目资助者This paper is supported by The National Natural Science Foundation of China (No.11272314; No. 51239010).
课题组名称LMFS海洋土力学(LHO)
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/48303
专题流固耦合系统力学重点实验室
通讯作者Lu XB(鲁晓兵)
推荐引用方式
GB/T 7714
Lu XB,Zhang XH,Wang SY. Advances in study of mechanical properties of gas hydrate-bearing sediments[J]. THE OPEN OCEAN ENGINEERING JOURNAL,2013,6:26-40.
APA 鲁晓兵,张旭辉,&王淑云.(2013).Advances in study of mechanical properties of gas hydrate-bearing sediments.THE OPEN OCEAN ENGINEERING JOURNAL,6,26-40.
MLA 鲁晓兵,et al."Advances in study of mechanical properties of gas hydrate-bearing sediments".THE OPEN OCEAN ENGINEERING JOURNAL 6(2013):26-40.
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