Physical Model Test of Deformation Self-Adaptive Mechanism of Landslide Mass

Reservoir impoundment induces a large amount of cumulative deformation of landslide body, leading to damage to the geological environment. Due to many yearly cycles of reservoir water fluctuation, the cumulative deformation of landslides tends to be stable, showing a self-adaptive deformation phenom...

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Veröffentlicht in:Water (Basel) 2024-06, Vol.16 (12), p.1720
Hauptverfasser: Yang, He, Tang, Minggao, Xiao, Xianxuan, Cai, Guojun, Wei, Yong, Li, Songlin, Li, Huajin, Xie, Jingwei
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container_end_page
container_issue 12
container_start_page 1720
container_title Water (Basel)
container_volume 16
creator Yang, He
Tang, Minggao
Xiao, Xianxuan
Cai, Guojun
Wei, Yong
Li, Songlin
Li, Huajin
Xie, Jingwei
description Reservoir impoundment induces a large amount of cumulative deformation of landslide body, leading to damage to the geological environment. Due to many yearly cycles of reservoir water fluctuation, the cumulative deformation of landslides tends to be stable, showing a self-adaptive deformation phenomenon. The study of the self-adaptive deformation mechanism is very important for evaluating landslide stability and achieving the safe operation of hydropower stations. To study the mechanism of self-adaptive deformation, two sets of physical models were used to monitor the groundwater, earth pressure, and cumulative deformation of landslide under periodic fluctuations of the reservoir water level. The results showed that the soil consolidation compaction, release of sliding stress, and increase in permeability are the three main factors of the self-adaptive deformation of landslide accumulation. The overall permeability decreased first and then increased, the front permeability increased greatly, and the middle and rear permeability decreased. The main factors that affected the permeability change were deformation and seepage force.
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Due to many yearly cycles of reservoir water fluctuation, the cumulative deformation of landslides tends to be stable, showing a self-adaptive deformation phenomenon. The study of the self-adaptive deformation mechanism is very important for evaluating landslide stability and achieving the safe operation of hydropower stations. To study the mechanism of self-adaptive deformation, two sets of physical models were used to monitor the groundwater, earth pressure, and cumulative deformation of landslide under periodic fluctuations of the reservoir water level. The results showed that the soil consolidation compaction, release of sliding stress, and increase in permeability are the three main factors of the self-adaptive deformation of landslide accumulation. The overall permeability decreased first and then increased, the front permeability increased greatly, and the middle and rear permeability decreased. 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Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c254t-52bd4f90d6bee3a434ab2619fd69b9c8ef0b01934bca2ce84880ab84d8c855ac3</cites><orcidid>0000-0002-5890-9511 ; 0000-0003-0694-2018 ; 0000-0001-6968-9959 ; 0000-0001-7445-4919</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,27905,27906</link.rule.ids></links><search><creatorcontrib>Yang, He</creatorcontrib><creatorcontrib>Tang, Minggao</creatorcontrib><creatorcontrib>Xiao, Xianxuan</creatorcontrib><creatorcontrib>Cai, Guojun</creatorcontrib><creatorcontrib>Wei, Yong</creatorcontrib><creatorcontrib>Li, Songlin</creatorcontrib><creatorcontrib>Li, Huajin</creatorcontrib><creatorcontrib>Xie, Jingwei</creatorcontrib><title>Physical Model Test of Deformation Self-Adaptive Mechanism of Landslide Mass</title><title>Water (Basel)</title><description>Reservoir impoundment induces a large amount of cumulative deformation of landslide body, leading to damage to the geological environment. 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source Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; MDPI - Multidisciplinary Digital Publishing Institute
subjects Adaptation
Analysis
China
Deformation
groundwater
Hydroelectric power
Landslides
Landslides & mudslides
Permeability
Pressure gauges
Reservoirs
seepage
Shear tests
soil
Water
Water, Underground
Water-power
title Physical Model Test of Deformation Self-Adaptive Mechanism of Landslide Mass
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