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DOI10.1007/s11069-020-03982-1
Physical model tests to determine the mechanism of submarine landslides under the effect of sea waves
Liu C.; Li S.; Zhou Z.; Li L.; Shi S.; Wang M.; Gao C.
发表日期2020
ISSN0921030X
起始页码1451
结束页码1474
卷号102期号:3
英文摘要Submarine landslides are a common type of disaster which threaten property and the safety of human life. To effectively prevent and control such disasters, we conduct a series of large-scale physical model tests to determine the mechanism of submarine landslides. First, a large-scale physical model test system is designed and developed, including flume test frame, wave-making system, wave-absorbing system, and data monitoring system. In the tests, we investigate the effect of different sea waves by changing the parameters of the wave-making system and the influence of the slope inclination by constructing different models. Data regarding the wave pressure acting on the slope surface, seepage pressure, and displacement are monitored during the test procedure. The test results show that the seepage pressure in the faults varies cyclically with the sea waves and is lower at internal points than at outcrops. If the wave loading time is sufficiently long, the seepage pressure and displacement deformation in the fault zone will gradually increase. In other words, failures in fault zones precede submarine landslides. The weak fault zone provides the preferred sliding surface, and the sea waves supply the external dynamic energy for submarine landslides. The conclusions provide guidelines for similar engineering and research. © 2020, Springer Nature B.V.
关键词Effect of sea wavesPhysical model testsStability analysisSubmarine landslide
英文关键词displacement; fault zone; ocean wave; seepage; submarine landslide; testing method; wave velocity; wave-seafloor interaction
语种英语
来源期刊Natural Hazards
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/205798
作者单位Geotechnical and Structural Engineering Research Center, Shandong University, Qianfoshan Campus of Shandong University, No. 17923, Jingshi Road, Jinan City, Shandong Province 250061, China
推荐引用方式
GB/T 7714
Liu C.,Li S.,Zhou Z.,et al. Physical model tests to determine the mechanism of submarine landslides under the effect of sea waves[J],2020,102(3).
APA Liu C..,Li S..,Zhou Z..,Li L..,Shi S..,...&Gao C..(2020).Physical model tests to determine the mechanism of submarine landslides under the effect of sea waves.Natural Hazards,102(3).
MLA Liu C.,et al."Physical model tests to determine the mechanism of submarine landslides under the effect of sea waves".Natural Hazards 102.3(2020).
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