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Mechanical property of cemented sand during earthquake and its seismic slope stability

Mechanical property of cemented sand during earthquake and its seismic slope stability
胶结砂震中力学特性及其抗震边坡稳定性
批准号:
20560464
负责人:
SUZUKI Motoyuki
金额:
$3.16万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2008
资助国家:
日本
项目状态:
已结题
起止时间:
2008 至 2010

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中文摘要
翻译
2004年中新泻地震中,在砂质泥岩等弱胶结砂岩组成的斜坡上发生了大量滑坡。这样的滑坡被认为是由于地震期间沙粒之间形成的胶结作用的丧失。在这项研究中,为了从实验上模拟这一行为,新研制了一台循环加载环形剪切仪。利用该装置对胶结砂的动态力学性能进行了研究。结果表明,可以根据胶结砂体滑动面的应力状态和稳定状态的强度线来评价胶结砂体中的地震边坡稳定性。
英文摘要
In the 2004 mid-Niigata earthquake, a lot of landslides occurred in slopes consisting of weakly cemented sands such as sandy mudstone. Such the landslide was thought to be due to any loss of cementation formed between sand particles during the earthquake. In this study, a cyclic loading ring shear apparatus was newly developed in order to simulate this behavior experimentally. Dynamic mechanical property of cemented sand was investigated using this apparatus. As a result, seismic slope stability in cemented sand can be evaluated based on the stress state of slip surface and the steady state strength line of cemented sand.
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会议论文
中越地震において急速せん断を受けた砂のせん断強さと粒度特性
中越地震中快速剪切砂土的剪切强度和粒径特性
DOI: --
发表时间: 2009
期刊:
影响因子: --
作者: [鈴木素之, 藤井公博, 梅崎健夫]
通讯作者: 梅崎健夫
DOI: --
发表时间: 2010
期刊: 第13回日本地震工学シンポジウム論文集
影响因子: --
作者: [鈴木素之, 藤井公博, 高原宏吏]
通讯作者: 高原宏吏
粘土と砂のせん断強さに及ぼすせん断速度の影響
剪切速率对粘土和砂抗剪强度的影响
DOI: --
发表时间: 2009
期刊:
影响因子: --
作者: [鈴木素之, 藤井公博, 山本哲朗, 甲斐康広]
通讯作者: 甲斐康広
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