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Evaluation of Stability of Shallow Type Gas Hydrate-Bearing Grounds and Global Change

Evaluation of Stability of Shallow Type Gas Hydrate-Bearing Grounds and Global Change
浅层天然气水合物地层稳定性评价与全球变化
批准号:
21360219
负责人:
YAMASHITA Satoshi
金额:
$11.48万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2009
资助国家:
日本
项目状态:
已结题
起止时间:
2009 至 2011

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中文摘要
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英文摘要
Core samplings were conducted from sea bottom grounds, where shallow gas hydrates existed. Some kinds of mechanical tests were performed for the core samples on board. To evaluate the sample quality, the relations between the concentration of dissolved gas and the strength were also examined. Moreover, laboratory tests which simulate the stress relief during the sampling were also performed. Test results showed that the strength of soils become lower with the increase of gas saturation on both on-board and laboratory tests. It was also showed that the in-situ strength can be estimated roughly from the disturbed sample.
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溶存ガスの気化に伴う海底堆積土の強度変化
由于溶解气体的蒸发而导致海底沉积物强度的变化
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [Murakami, T., Yoshino, J., Yasuda, T., Iizuka S. and Shimokawa S., T. Okamoto and M. Okamura, 吉田惇・有働恵子・真野明, 八木綾子,有場次郎,稲垣厚至,神田学,藤原忠誠,藤吉康志, 宮田喜壽,篠田昌弘,小浪岳治,大野孝二,米澤豊司,弘中淳市, 小川美穂]
通讯作者: 小川美穂
DOI: --
发表时间: 2009
期刊:
影响因子: --
作者: [S. Kataoka;S. Yamashita;Teruyuki Suzuki;T. Kawaguchi;M. Hamza;M. Shahien;Y. El-Mossallamy]
通讯作者: S. Kataoka;S. Yamashita;Teruyuki Suzuki;T. Kawaguchi;M. Hamza;M. Shahien;Y. El-Mossallamy
塩分濃度の違いが土の強度やせん断弾性係数に与える影響
盐度差异对土体强度和剪切模量的影响
DOI: --
发表时间: 2010
期刊:
影响因子: --
作者: [武若聡, エルサイドガラル, 趙卓維, 菊池練人]
通讯作者: 菊池練人
Geochemistry of pore waters from LV47 and LV50 gas hydrate-bearing sediment cores retrieved at the northeastern continental slope off Sakhalin Island, Sea of Okhotsk
鄂霍次克海萨哈林岛东北部大陆坡取回的 LV47 和 LV50 含天然气水合物沉积物岩心孔隙水的地球化学
DOI: --
发表时间: 2011
期刊:
影响因子: --
作者: [Minami, H.]
通讯作者: H.
28
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