Study on the Risk Assessment Method of Rainfall Landslide

Quantitative risk assessment of landslides has always been the focus and difficulty in the field of landslide research. In this paper, taking Mayang County, Hunan Province as an example, the risk assessment of rainfall-induced landslides was carried out from the regional and individual scales. On th...

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Main Authors: Haoyue Sui, Tianming Su, Ruilin Hu, Dong Wang, Zhengwei Zheng
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Water
Subjects:
Online Access:https://www.mdpi.com/2073-4441/14/22/3678
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author Haoyue Sui
Tianming Su
Ruilin Hu
Dong Wang
Zhengwei Zheng
author_facet Haoyue Sui
Tianming Su
Ruilin Hu
Dong Wang
Zhengwei Zheng
author_sort Haoyue Sui
collection DOAJ
description Quantitative risk assessment of landslides has always been the focus and difficulty in the field of landslide research. In this paper, taking Mayang County, Hunan Province as an example, the risk assessment of rainfall-induced landslides was carried out from the regional and individual scales. On the regional scale, the risk factors of geological disasters were analyzed. Based on the slope unit, the risk analysis of slope geological disasters and the vulnerability risk assessment of hazard-bearing bodies were carried out to form the block plan. On an individual scale, based on the analysis of rainfall extreme value, the variation law of landslide seepage field and stability under different rainfall recurrence periods was simulated. Then, the vulnerability of the disaster-bearing body was studied according to the analysis of the impact range and the field investigation. Combined with the evaluation results of landslide hazard and vulnerability of the disaster-bearing body, the life and economic risks under different working conditions were further obtained. Therefore, the research results could provide not only a reference for the risk assessment of rainfall-induced landslides in other regions but also a theoretical basis for the early warning and prediction of landslide disasters.
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spelling doaj.art-900bae447efc4494965ecba4cbe8dbad2023-11-24T10:21:11ZengMDPI AGWater2073-44412022-11-011422367810.3390/w14223678Study on the Risk Assessment Method of Rainfall LandslideHaoyue Sui0Tianming Su1Ruilin Hu2Dong Wang3Zhengwei Zheng4Key Laboratory of Transport Industry of Road Structure and Material, Research Institute of Highway Ministry of Transport, Beijing 100088, ChinaKey Laboratory of Transport Industry of Road Structure and Material, Research Institute of Highway Ministry of Transport, Beijing 100088, ChinaKey Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, ChinaPetroleum Development Center Limited, Sinopec Shengli Oilfield, Dongying 257029, ChinaKey Laboratory of Transport Industry of Road Structure and Material, Research Institute of Highway Ministry of Transport, Beijing 100088, ChinaQuantitative risk assessment of landslides has always been the focus and difficulty in the field of landslide research. In this paper, taking Mayang County, Hunan Province as an example, the risk assessment of rainfall-induced landslides was carried out from the regional and individual scales. On the regional scale, the risk factors of geological disasters were analyzed. Based on the slope unit, the risk analysis of slope geological disasters and the vulnerability risk assessment of hazard-bearing bodies were carried out to form the block plan. On an individual scale, based on the analysis of rainfall extreme value, the variation law of landslide seepage field and stability under different rainfall recurrence periods was simulated. Then, the vulnerability of the disaster-bearing body was studied according to the analysis of the impact range and the field investigation. Combined with the evaluation results of landslide hazard and vulnerability of the disaster-bearing body, the life and economic risks under different working conditions were further obtained. Therefore, the research results could provide not only a reference for the risk assessment of rainfall-induced landslides in other regions but also a theoretical basis for the early warning and prediction of landslide disasters.https://www.mdpi.com/2073-4441/14/22/3678rainfall landsliderisk assessmentregionalindividualvulnerability
spellingShingle Haoyue Sui
Tianming Su
Ruilin Hu
Dong Wang
Zhengwei Zheng
Study on the Risk Assessment Method of Rainfall Landslide
Water
rainfall landslide
risk assessment
regional
individual
vulnerability
title Study on the Risk Assessment Method of Rainfall Landslide
title_full Study on the Risk Assessment Method of Rainfall Landslide
title_fullStr Study on the Risk Assessment Method of Rainfall Landslide
title_full_unstemmed Study on the Risk Assessment Method of Rainfall Landslide
title_short Study on the Risk Assessment Method of Rainfall Landslide
title_sort study on the risk assessment method of rainfall landslide
topic rainfall landslide
risk assessment
regional
individual
vulnerability
url https://www.mdpi.com/2073-4441/14/22/3678
work_keys_str_mv AT haoyuesui studyontheriskassessmentmethodofrainfalllandslide
AT tianmingsu studyontheriskassessmentmethodofrainfalllandslide
AT ruilinhu studyontheriskassessmentmethodofrainfalllandslide
AT dongwang studyontheriskassessmentmethodofrainfalllandslide
AT zhengweizheng studyontheriskassessmentmethodofrainfalllandslide