The classification of damming landslides and landslide dams induced by the Wenchuan Earthquake

Xuanmei Fan; C.J. Van Westen; Chenxiao Tang; Qiang Xu; Runqiu Huang; Gonghui Wang

doi:10.1007/978-3-319-09057-3_201

The classification of damming landslides and landslide dams induced by the Wenchuan Earthquake

Xuanmei Fan
, C.J. Van Westen
, Chenxiao Tang
, Qiang Xu
, Runqiu Huang
, Gonghui Wang

Faculty of Geo-Information Science and Earth Observation

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

11 Citations (Scopus)

9 Downloads (Pure)

Abstract

© Springer International Publishing Switzerland 2015. The devastating 2008 Wenchuan earthquake with a magnitude of Mw 7.9 was the largest seismic event in China in more than 50 years. It triggered numerous landslides over a broad area, some of which dammed rivers, posing severe threats to downstream settlements. The coseismic landslides are classified into rock/debris avalanches, debris flows, rock/debris slides and rock falls. A number of representative examples of each type and the corresponding landslide dam features were studied. According to dam composition material and sedimen-tological features, landslide dams were categorized into three types: dams mainly composed of large boulders and blocks; dams composed of unconsolidated fine debris; and dams with partly intact rock strata at the base topped by large boulders and blocks or soil with rock fragments, showing two-layered or three-layered depositional structure. This classification is linked to the typology of damming landslides and considered to be a preliminary indicator of dam stability. In addition, dam stability also largely depends on valley morphometry as well as landslide runout distance and mechanism. .

Original language	English
Title of host publication	Engineering Geology for Society and Territory
Subtitle of host publication	Landslide Processes
Editors	G. Lollino, D. Giordan, G.B. Crosta, J. Corominas, R. Azzam, J. Wasowski, N. Sciarra
Place of Publication	Cham
Publisher	Springer
Pages	1143-1147
Number of pages	5
Volume	2
ISBN (Electronic)	978-3-319-09057-3
ISBN (Print)	978-3-319-09056-6
DOIs	https://doi.org/10.1007/978-3-319-09057-3_201
Publication status	Published - 1 Jan 2015
Event	IAEG XII congress: Engineering Geology for Society and Territory - Torino, Italy Duration: 15 Sept 2014 → 19 Sept 2014

Conference

Conference	IAEG XII congress
Country/Territory	Italy
City	Torino
Period	15/09/14 → 19/09/14

Keywords

Coseismic Landslides
Landslide Dams
Typology
Wenchuan Earthquake

Access to Document

10.1007/978-3-319-09057-3_201

Cite this

Fan, X., Van Westen, C. J., Tang, C., Xu, Q., Huang, R., & Wang, G. (2015). The classification of damming landslides and landslide dams induced by the Wenchuan Earthquake. In G. Lollino, D. Giordan, G. B. Crosta, J. Corominas, R. Azzam, J. Wasowski, & N. Sciarra (Eds.), Engineering Geology for Society and Territory: Landslide Processes (Vol. 2, pp. 1143-1147). Article 201 Springer. https://doi.org/10.1007/978-3-319-09057-3_201

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title = "The classification of damming landslides and landslide dams induced by the Wenchuan Earthquake",

abstract = "{\textcopyright} Springer International Publishing Switzerland 2015. The devastating 2008 Wenchuan earthquake with a magnitude of Mw 7.9 was the largest seismic event in China in more than 50 years. It triggered numerous landslides over a broad area, some of which dammed rivers, posing severe threats to downstream settlements. The coseismic landslides are classified into rock/debris avalanches, debris flows, rock/debris slides and rock falls. A number of representative examples of each type and the corresponding landslide dam features were studied. According to dam composition material and sedimen-tological features, landslide dams were categorized into three types: dams mainly composed of large boulders and blocks; dams composed of unconsolidated fine debris; and dams with partly intact rock strata at the base topped by large boulders and blocks or soil with rock fragments, showing two-layered or three-layered depositional structure. This classification is linked to the typology of damming landslides and considered to be a preliminary indicator of dam stability. In addition, dam stability also largely depends on valley morphometry as well as landslide runout distance and mechanism. .",

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Fan, X, Van Westen, CJ, Tang, C, Xu, Q, Huang, R & Wang, G 2015, The classification of damming landslides and landslide dams induced by the Wenchuan Earthquake. in G Lollino, D Giordan, GB Crosta, J Corominas, R Azzam, J Wasowski & N Sciarra (eds), Engineering Geology for Society and Territory: Landslide Processes. vol. 2, 201, Springer, Cham, pp. 1143-1147, IAEG XII congress, Torino, Italy, 15/09/14. https://doi.org/10.1007/978-3-319-09057-3_201

The classification of damming landslides and landslide dams induced by the Wenchuan Earthquake. / Fan, Xuanmei; Van Westen, C.J.; Tang, Chenxiao et al.
Engineering Geology for Society and Territory: Landslide Processes. ed. / G. Lollino; D. Giordan; G.B. Crosta; J. Corominas; R. Azzam; J. Wasowski; N. Sciarra. Vol. 2 Cham: Springer, 2015. p. 1143-1147 201.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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T1 - The classification of damming landslides and landslide dams induced by the Wenchuan Earthquake

AU - Fan, Xuanmei

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AU - Huang, Runqiu

AU - Wang, Gonghui

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N2 - © Springer International Publishing Switzerland 2015. The devastating 2008 Wenchuan earthquake with a magnitude of Mw 7.9 was the largest seismic event in China in more than 50 years. It triggered numerous landslides over a broad area, some of which dammed rivers, posing severe threats to downstream settlements. The coseismic landslides are classified into rock/debris avalanches, debris flows, rock/debris slides and rock falls. A number of representative examples of each type and the corresponding landslide dam features were studied. According to dam composition material and sedimen-tological features, landslide dams were categorized into three types: dams mainly composed of large boulders and blocks; dams composed of unconsolidated fine debris; and dams with partly intact rock strata at the base topped by large boulders and blocks or soil with rock fragments, showing two-layered or three-layered depositional structure. This classification is linked to the typology of damming landslides and considered to be a preliminary indicator of dam stability. In addition, dam stability also largely depends on valley morphometry as well as landslide runout distance and mechanism. .

AB - © Springer International Publishing Switzerland 2015. The devastating 2008 Wenchuan earthquake with a magnitude of Mw 7.9 was the largest seismic event in China in more than 50 years. It triggered numerous landslides over a broad area, some of which dammed rivers, posing severe threats to downstream settlements. The coseismic landslides are classified into rock/debris avalanches, debris flows, rock/debris slides and rock falls. A number of representative examples of each type and the corresponding landslide dam features were studied. According to dam composition material and sedimen-tological features, landslide dams were categorized into three types: dams mainly composed of large boulders and blocks; dams composed of unconsolidated fine debris; and dams with partly intact rock strata at the base topped by large boulders and blocks or soil with rock fragments, showing two-layered or three-layered depositional structure. This classification is linked to the typology of damming landslides and considered to be a preliminary indicator of dam stability. In addition, dam stability also largely depends on valley morphometry as well as landslide runout distance and mechanism. .

KW - Coseismic Landslides

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Fan X, Van Westen CJ, Tang C, Xu Q, Huang R, Wang G. The classification of damming landslides and landslide dams induced by the Wenchuan Earthquake. In Lollino G, Giordan D, Crosta GB, Corominas J, Azzam R, Wasowski J, Sciarra N, editors, Engineering Geology for Society and Territory: Landslide Processes. Vol. 2. Cham: Springer. 2015. p. 1143-1147. 201 doi: 10.1007/978-3-319-09057-3_201

The classification of damming landslides and landslide dams induced by the Wenchuan Earthquake

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