| Issue |
E3S Web Conf.
Volume 261, 2021
2021 7th International Conference on Energy Materials and Environment Engineering (ICEMEE 2021)
|
|
|---|---|---|
| Article Number | 03015 | |
| Number of page(s) | 4 | |
| Section | Environmental Engineering Planning and Urban Facilities Construction | |
| DOI | https://doi.org/10.1051/e3sconf/202126103015 | |
| Published online | 21 May 2021 | |
Research on deformation of submarine slope in Zhoushan Islands by in-situ observation
1
Institute of Environmental Science and Engineering, Ocean University of China, Qingdao, Shandong, China
2
The Key Laboratory of Marine Environment and Ecology, Ministry of Education (Ocean University of China), Qingdao, Shandong, China
* Corresponding author: hongxian@ouc.edu.cn
Instability of submarine slopes in Zhoushan Islands is widespread. Frequent submarine landslides pose a great threat to offshore facilities such as submarine optical cables, reclamation projects, ports and docks. In this paper, a self-developed in-situ observation system is used to observe the deformation of submarine slopes on the southwest side of Zhujiajian Island in Zhoushan Islands for 75 days. The results show that the deformation characteristics of sediments at different depths of the submarine slope are different, and the lateral deformation of bottom sediments is about 0.75 mm, which is three times as much as the deformation of overlying sediments. The deformation process presents a step-like change, and the deformation direction is consistent with the trend of submarine slope.
© The Authors, published by EDP Sciences, 2021
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