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海底粉质土波致液化的判别程序与计算方法

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文章导航 > 海洋地质前沿 > 2015 > 31(3): 43-48

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刘志钦, 许国辉, 文世鹏, 房虹汝, 胡光海, 周勇华. 海底粉质土波致液化的判别程序与计算方法[J]. 海洋地质前沿, 2015, 31(3): 43-48. doi: 10.16028/j.1009-2722.2015.03007
引用本文: 刘志钦, 许国辉, 文世鹏, 房虹汝, 胡光海, 周勇华. 海底粉质土波致液化的判别程序与计算方法[J]. 海洋地质前沿, 2015, 31(3): 43-48. doi: 10.16028/j.1009-2722.2015.03007
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LIU Zhiqin, XU Guohui, WEN Shipeng, FANG Hongru, HU Guanghai, ZHOU Yonghua. DISCRIMINATION PROGRAM AND CALCULATION METHOD FOR WAVE-INDUCED LIQUEFACTION OF SUBMARINE SILTY SOIL[J]. Marine Geology Frontiers, 2015, 31(3): 43-48. doi: 10.16028/j.1009-2722.2015.03007
Citation: LIU Zhiqin, XU Guohui, WEN Shipeng, FANG Hongru, HU Guanghai, ZHOU Yonghua. DISCRIMINATION PROGRAM AND CALCULATION METHOD FOR WAVE-INDUCED LIQUEFACTION OF SUBMARINE SILTY SOIL[J]. Marine Geology Frontiers, 2015, 31(3): 43-48. doi: 10.16028/j.1009-2722.2015.03007
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海底粉质土波致液化的判别程序与计算方法

  • 1 海洋环境与生态教育部重点实验室, 青岛 266100;

  • 2 中国海洋大学环境科学与工程学院, 青岛 266100;

  • 3 胜利油田有限责任公司海洋石油开发公司, 山东东营 257273;

  • 4 国家海洋局第一海洋研究所, 青岛 266061;

  • 5 青岛环海海洋工程勘察研究院, 青岛 266071

  • 基金项目:

    国家海洋局海洋公益性行业科研专项项目(201005005-6)

    国家自然科学基金(41076021)

详细信息
    作者简介: 刘志钦(1990-),男,在读硕士,主要从事海洋地质研究工作.E-mail:liuzhiqin9090@163.com
    通讯作者: 许国辉(1972-),男,教授,主要从事海洋工程地质、海岸工程环境方面的研究工作.E-mail:xuguohui@ouc.edu.cn

  • 中图分类号: P736

DISCRIMINATION PROGRAM AND CALCULATION METHOD FOR WAVE-INDUCED LIQUEFACTION OF SUBMARINE SILTY SOIL

  • 1 Key Laboratory of Marine Environment and Ecology, Ministry of Education, Qingdao 266100, China;

  • 2 Ocean University of China, Qingdao 266100, China;

  • 3 Ocean Petroleum Co, Shengli Oilfield, Dongying 257237, Shandong, China;

  • 4 The First Institute of Oceanography, SOA, Qingdao 266061, China;

  • 5 Qingdao Huanhai Marine Engineer Prospecting Institute, Qingdao 266071, China

More Information

    摘要
  • 海底土体在波浪作用下能否产生液化是海岸工程所关心的问题。借鉴地震液化判别使用的砂土液化判别方法,将海底粉质土波致液化的判别分为初判和复判2个阶段。初判以所致海床土体发生破坏的临界循环应力比界限指标来判别,以土质基本特征和波浪条件为参数,对某海域海底液化形成判断;复判以波致海床土体中剪应力与实际土体的动剪切强度比较来判别。结合已有研究成果给出了波致土体液化判别的具体方法。
    The wave-induced liquefaction of submarine sediment is a key issue to coastal engineering. Referring to the discrimination of sandy soil liquefaction caused by earthquake, the discrimination of submarine silty soil liquefaction is divided into two steps, i.e. primary discrimination and secondary discrimination in this paper. The critical ratio of cyclic stress, which leads to the liquefaction, is the criteria for primary discrimination, using soil basic features and wave conditions as parameters. Wave-induced shear stress of sediment is compared with the shear strength of sediment in the secondary discrimination. Combined with available research result, specific discrimination method for wave-induced liquefaction is presented in this paper.
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出版历程
收稿日期:  2014-11-26

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