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| 天然气水合物的分解导致海底沉积层滑坡的力学机理及相关分析 |
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房 臣, 张卫东
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山东科技大学地质科学与工程学院
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| Mechanism and Analysis of Landslide on the Seabed Due to the Decomposition of Gas Hydrate |
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FANG Chen, ZHANG Weidong
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College of Earth Science Technology,Shandong University of Science and Technology
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| Gas bydrate is a form of natural gas and water,similar to ice-like solids,mainly in low-temperature occurrence in the context of high voltage submarine and terrestrial and terrestrial sediments permafrost zone.Since 1970s marine lil and gas exploration in the course of a certain depth of the seabed found that the stability of gas hydrate layer and collected samples in kind,its social concem will be on the increase. Landslide Harbor is a major cause of the destructive consequences of the marine geological disaters.In recent years,researchers continue to find that as the undersea gas hydrate decomposition led to the seabed to reduce the stability of rocks,the seabed is a major reason for the decline. The research on submarine landslide,related with natural gas Hydrate is the study of a new direction. This paper analyzes the gas hydrate formation and decomposition fo the seabed sediment. Fron the mechanical aspects of the mechanism,it analyzes of the decomposition of gas hydrate deposits related to property caused by the impact of changes in the landslide,and look to the future hydrate research. |
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