Deformation response regularity of Liujiaba landslide under fluctuating reservoir water level condition

Deformation response regularity of Liujiaba landslide under fluctuating reservoir water level... Nat Hazards https://doi.org/10.1007/s11069-018-3378-9 ORI G IN AL PA PER Deformation response regularity of Liujiaba landslide under fluctuating reservoir water level condition 1 1 1 2 • • • Junhui Shen Yihang Gao Liwang Wen Xiaohao Jin Received: 11 June 2017 / Accepted: 27 May 2018 Springer Science+Business Media B.V., part of Springer Nature 2018 Abstract Due to the periodic rising and falling of the reservoir water level, the rock–soil body of bank slope is constantly changing between the saturated and unsaturated status, which changes the limit equilibrium condition of the slope body, resulting in a large number of dormant landslide reactivation and new landslide generation after water impounding operation of the three gorges reservoir. Based on the long-term monitoring data of pore-water pressure, water content, reservoir water level, rainfall and landslide deformation, the deformation response regularity of Liujiaba landslide under the fluctu- ating reservoir level combined scenario is studied in this paper. The results show that the landslide deformation is mainly in the lower section affected by the fluctuation of the reservoir water. The slide deformation appears in the mid-early stage of the water level declining and during the running of 175 m water level. The deformation is gradually http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Natural Hazards Springer Journals

Deformation response regularity of Liujiaba landslide under fluctuating reservoir water level condition

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Publisher
Springer Netherlands
Copyright
Copyright © 2018 by Springer Science+Business Media B.V., part of Springer Nature
Subject
Earth Sciences; Natural Hazards; Hydrogeology; Geophysics/Geodesy; Geotechnical Engineering & Applied Earth Sciences; Civil Engineering; Environmental Management
ISSN
0921-030X
eISSN
1573-0840
D.O.I.
10.1007/s11069-018-3378-9
Publisher site
See Article on Publisher Site

Abstract

Nat Hazards https://doi.org/10.1007/s11069-018-3378-9 ORI G IN AL PA PER Deformation response regularity of Liujiaba landslide under fluctuating reservoir water level condition 1 1 1 2 • • • Junhui Shen Yihang Gao Liwang Wen Xiaohao Jin Received: 11 June 2017 / Accepted: 27 May 2018 Springer Science+Business Media B.V., part of Springer Nature 2018 Abstract Due to the periodic rising and falling of the reservoir water level, the rock–soil body of bank slope is constantly changing between the saturated and unsaturated status, which changes the limit equilibrium condition of the slope body, resulting in a large number of dormant landslide reactivation and new landslide generation after water impounding operation of the three gorges reservoir. Based on the long-term monitoring data of pore-water pressure, water content, reservoir water level, rainfall and landslide deformation, the deformation response regularity of Liujiaba landslide under the fluctu- ating reservoir level combined scenario is studied in this paper. The results show that the landslide deformation is mainly in the lower section affected by the fluctuation of the reservoir water. The slide deformation appears in the mid-early stage of the water level declining and during the running of 175 m water level. The deformation is gradually

Journal

Natural HazardsSpringer Journals

Published: Jun 4, 2018

References

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