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- Title
Analysis of house damage and prevention strategies for cut slope house-building landslides in tectonically weak and humid hilly areas: a case study of Jiangxi Province.
- Authors
Liu, Yun; Shao, Chongjian; Wu, Yufu; Lan, Hengxing; Yang, Yilong; Yan, Zhaokun; Li, Yilin; Zhong, Qiujuan; Wu, Zhongping; Yang, Lianwei
- Abstract
The increasing intensity of human activity is exposing more people and property in hill regions to geohazards (including rockfall, landslide, debris flow, et al.). In tectonically weak and humid (TWH) hilly areas, such as the Jiangxi Province, a large proportion of the losses in geohazards are caused by cut slope house-building (CSHB) landslides. The house is the "first line of defense" of a household against geohazards. However, previous studies mainly studied cut slope landslides themselves to reduce disaster losses, but few conducted analyses from the perspective of house damage. Considering the situation, this study makes an inventory of house damage information related to CSHB landslides in Jiangxi Province from 2019 to 2022 and analyzes the house damage characteristics, effects of influencing factors on house damage, and prevention suggestions in TWH hilly areas. Some main findings can be summarized as follows: (i) The main house with a brick-concrete structure will not collapse under the influence of 81.07% cut slope landslides; (ii) the first floor needs to be reinforced due to its high frequency of damage; (iii) the ancillary houses should be placed in front of the main house or on diagonal sides away from the cut slope and should not be set up as high-activity functional areas; (iv) the kitchen is the functional area with the most severe damage closely related to layout pattern and stability characteristics. Our study contributes to subsequent analysis of house damage or physical vulnerability, and disaster loss reduction in TWH hilly areas.
- Subjects
JIANGXI Sheng (China); LANDSLIDES; DEBRIS avalanches; ROCKFALL; PROVINCES; DWELLINGS
- Publication
Landslides, 2024, Vol 21, Issue 7, p1567
- ISSN
1612-510X
- Publication type
Article
- DOI
10.1007/s10346-024-02245-5