Triggering mechanism and possible evolution process of the ancient Qingshi landslide in the Three Gorges Reservoir

The Qingshi landslide in the Three Gorges Reservoir was selected as a case study of ancient landslides. The detailed on-site surveys and long-term monitoring data were analysed to classify the triggering mechanism and possible evolution process of the Qingshi landslide. The results show that the anc...

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Autores principales:	Luqi Wang, Zhihua Zhang, Bolin Huang, Mingjun Hu, Chenyang Zhang
Formato:	article
Lenguaje:	EN
Publicado:	Taylor & Francis Group 2021
Materias:	reactivation of ancient landslides the three gorges reservoir deep-seated landslide evolution process Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350 Risk in industry. Risk management HD61
Acceso en línea:	https://doaj.org/article/c2ceef00a61246f38e1fd74e2800d1ce
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spelling	oai:doaj.org-article:c2ceef00a61246f38e1fd74e2800d1ce2021-11-17T14:21:57ZTriggering mechanism and possible evolution process of the ancient Qingshi landslide in the Three Gorges Reservoir1947-57051947-571310.1080/19475705.2021.1998230https://doaj.org/article/c2ceef00a61246f38e1fd74e2800d1ce2021-01-01T00:00:00Zhttp://dx.doi.org/10.1080/19475705.2021.1998230https://doaj.org/toc/1947-5705https://doaj.org/toc/1947-5713The Qingshi landslide in the Three Gorges Reservoir was selected as a case study of ancient landslides. The detailed on-site surveys and long-term monitoring data were analysed to classify the triggering mechanism and possible evolution process of the Qingshi landslide. The results show that the ancient Qingshi landslide was triggered by the water storage in 2010. The leading edge slipped first, and the trailing edge underwent large-scale deformation after losing the resistance provided by the leading edge. In early 2011, the compaction of the leading edge of the landslide provided a certain resisting force, which controlled the overall downward movement of the landslide. In 2014, the integrity of the landslide was strengthened by emergency treatment measures, which caused the stabilization of the landslide and further reduced the displacement rate of the landslide. The local strengthening of the leading edge may act as a locking segment that could provide direct support to the sections in the middle and upper parts of the landslide. However, abnormal water-level regulation and heavy rainfall may cause the landslide to collapse again. The entire evolution process of the Qingshi landslide can provide an important reference for ancient landslides located on reservoir banks.Luqi WangZhihua ZhangBolin HuangMingjun HuChenyang ZhangTaylor & Francis Grouparticlereactivation of ancient landslidesthe three gorges reservoirdeep-seated landslideevolution processEnvironmental technology. Sanitary engineeringTD1-1066Environmental sciencesGE1-350Risk in industry. Risk managementHD61ENGeomatics, Natural Hazards & Risk, Vol 12, Iss 1, Pp 3160-3174 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	reactivation of ancient landslides the three gorges reservoir deep-seated landslide evolution process Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350 Risk in industry. Risk management HD61
spellingShingle	reactivation of ancient landslides the three gorges reservoir deep-seated landslide evolution process Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350 Risk in industry. Risk management HD61 Luqi Wang Zhihua Zhang Bolin Huang Mingjun Hu Chenyang Zhang Triggering mechanism and possible evolution process of the ancient Qingshi landslide in the Three Gorges Reservoir
description	The Qingshi landslide in the Three Gorges Reservoir was selected as a case study of ancient landslides. The detailed on-site surveys and long-term monitoring data were analysed to classify the triggering mechanism and possible evolution process of the Qingshi landslide. The results show that the ancient Qingshi landslide was triggered by the water storage in 2010. The leading edge slipped first, and the trailing edge underwent large-scale deformation after losing the resistance provided by the leading edge. In early 2011, the compaction of the leading edge of the landslide provided a certain resisting force, which controlled the overall downward movement of the landslide. In 2014, the integrity of the landslide was strengthened by emergency treatment measures, which caused the stabilization of the landslide and further reduced the displacement rate of the landslide. The local strengthening of the leading edge may act as a locking segment that could provide direct support to the sections in the middle and upper parts of the landslide. However, abnormal water-level regulation and heavy rainfall may cause the landslide to collapse again. The entire evolution process of the Qingshi landslide can provide an important reference for ancient landslides located on reservoir banks.
format	article
author	Luqi Wang Zhihua Zhang Bolin Huang Mingjun Hu Chenyang Zhang
author_facet	Luqi Wang Zhihua Zhang Bolin Huang Mingjun Hu Chenyang Zhang
author_sort	Luqi Wang
title	Triggering mechanism and possible evolution process of the ancient Qingshi landslide in the Three Gorges Reservoir
title_short	Triggering mechanism and possible evolution process of the ancient Qingshi landslide in the Three Gorges Reservoir
title_full	Triggering mechanism and possible evolution process of the ancient Qingshi landslide in the Three Gorges Reservoir
title_fullStr	Triggering mechanism and possible evolution process of the ancient Qingshi landslide in the Three Gorges Reservoir
title_full_unstemmed	Triggering mechanism and possible evolution process of the ancient Qingshi landslide in the Three Gorges Reservoir
title_sort	triggering mechanism and possible evolution process of the ancient qingshi landslide in the three gorges reservoir
publisher	Taylor & Francis Group
publishDate	2021
url	https://doaj.org/article/c2ceef00a61246f38e1fd74e2800d1ce
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Triggering mechanism and possible evolution process of the ancient Qingshi landslide in the Three Gorges Reservoir

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