DOI: 10.1007/s11069-020-03982-1
论文题名: Physical model tests to determine the mechanism of submarine landslides under the effect of sea waves
作者: Liu C. ; Li S. ; Zhou Z. ; Li L. ; Shi S. ; Wang M. ; Gao C.
刊名: Natural Hazards
ISSN: 0921030X
出版年: 2020
卷: 102, 期: 3 起始页码: 1451
结束页码: 1474
语种: 英语
中文关键词: Effect of sea waves
; Physical model tests
; Stability analysis
; Submarine landslide
英文关键词: displacement
; fault zone
; ocean wave
; seepage
; submarine landslide
; testing method
; wave velocity
; wave-seafloor interaction
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. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/168597
Appears in Collections: 气候变化与战略
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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
Recommended Citation:
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]. Natural Hazards,2020-01-01,102(3)