| Sequential Evolution of Residual Liquefaction in a Silty Seabed: Effect of Wave-Loading History | |
Li, Changfei1,2 ; Wang, Yifa3; Yu, Jiahao1,2; Qi, Wengang1,2; Gao, Fuping1,2
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| Corresponding Author | Gao, Fuping(fpgao@imech.ac.cn) |
| Source Publication | JOURNAL OF MARINE SCIENCE AND ENGINEERING
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| 2024-05-01 | |
| Volume | 12Issue:5Pages:17 |
| Abstract | Multiple liquefaction events may occur if a seabed is subjected to repeated but intermittent wave loadings. This study aimed to investigate the influence of the wave-loading history on the evolution of residual liquefaction in a silty seabed through a series of wave flume tests. The flume observations reveal that the preceding wave-loading history results in the densification of the silt bed and a noticeable settlement of the mudline. Meanwhile, the ultimate liquefaction depth, maximum amplitude of interfacial waves, and mudline settlement decrease due to prior wave actions. Both the maximum residual pore pressure ratio and the amplification ratio of transient pore pressure exhibit a declining trend with an increasing number of wave exposures, indicating that the liquefaction resistance of the soil is obviously enhanced. Throughout the continuous liquefaction stage, the residual pore pressure in liquefied soil regions maintains its maximum value. In contrast, the pore pressure in the un-liquefied soil layer experiences slight dissipation after reaching its peak during wave activity. Moreover, the reshaped topography of the silt bed following liquefaction-densification cycles may serve as an indicator of prior liquefaction events, transforming from mud volcanoes into ripples as the liquefaction depth decreases. |
| Keyword | residual liquefaction excess pore pressure wave-loading history silty seabed flume observation |
| DOI | 10.3390/jmse12050750 |
| Indexed By | SCI |
| Language | 英语 |
| WOS ID | WOS:001232437100001 |
| WOS Keyword | INDUCED PORE PRESSURE ; LIQUEFIED SOIL ; SAND ; APPROXIMATION ; PIPELINES ; RESPONSES ; SEDIMENT ; LAYER |
| WOS Research Area | Engineering ; Oceanography |
| WOS Subject | Engineering, Marine ; Engineering, Ocean ; Oceanography |
| Funding Project | National Natural Science Foundation of China |
| Funding Organization | National Natural Science Foundation of China |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/95478 |
| Collection | 流固耦合系统力学重点实验室 |
| Corresponding Author | Gao, Fuping |
| Affiliation | 1.Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China 3.Univ Melbourne, Fac Engn & Informat Technol, Dept Infrastruct Engn, Melbourne, Vic 3010, Australia |
| Recommended Citation GB/T 7714 | Li, Changfei,Wang, Yifa,Yu, Jiahao,et al. Sequential Evolution of Residual Liquefaction in a Silty Seabed: Effect of Wave-Loading History[J]. JOURNAL OF MARINE SCIENCE AND ENGINEERING,2024,12,5,:17. |
| APA | Li, Changfei,Wang, Yifa,Yu, Jiahao,Qi, Wengang,&Gao, Fuping.(2024).Sequential Evolution of Residual Liquefaction in a Silty Seabed: Effect of Wave-Loading History.JOURNAL OF MARINE SCIENCE AND ENGINEERING,12(5),17. |
| MLA | Li, Changfei,et al."Sequential Evolution of Residual Liquefaction in a Silty Seabed: Effect of Wave-Loading History".JOURNAL OF MARINE SCIENCE AND ENGINEERING 12.5(2024):17. |
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