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Study on Hazard Zonation and Stability of Landslides in Liaoning

Author: MengHaiYan
Tutor: WangGuoXin
School: Dalian University of Technology
Course: Disaster Prevention and Reduction Engineering and Protective Engineering
Keywords: Pattern Recognition CORA - 3 algorithm Landslide hazard zonation Stability analysis of landslide
CLC: P642.22
Type: Master's thesis
Year: 2010
Downloads: 118
Quote: 2
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Abstract


Liaoning Province, the complex geological environment , strong natural variability of geological disaster-prone provinces . In many geological disasters , landslide disasters have occurred in some areas in Liaoning Province , especially natural landslides and debris flows associated more common . Therefore, the natural environmental conditions from Liaoning Province , this paper analyzes the influencing factors of landslide disasters , using the pattern recognition method focus to identify potential landslide danger zone in Liaoning province , to carry out the Liaoning Province landslide hazard zonation and Landslide Susceptibility divisions , and then select the typical area with a high risk of landslides landslide stability analysis . This paper aims for the economic development of Liaoning Province macro decision-making and landslide prevention , early warning systems to establish and provide a strong theoretical basis , in order to minimize the harm caused by the landslide , reduce threats and loss of people's lives and property , protect the community the harmonious development . In this paper, Liaoning Province landslide hazard a comprehensive and systematic study , some of the main conclusions and results . (1 ) by extracting the typical characteristic parameters of the landslide hazard area as identify the landslide area Quantitative discrimination index can effectively reflect the characteristics of the regional distribution of the landslide . Established landslide hazard preliminary evaluation index system for landslide hazard zonation provides a basic protection . (2) the application of pattern recognition technology to carry out the Liaoning Province landslide hazard zonation , landslide hazard class divisions, a clear distribution of landslide hazard and risk levels, and provide a scientific basis for government departments to develop the work of disaster prevention and mitigation planning . (3 ) results not only to identify and zoning out has occurred the regional distribution of the landslide hazard areas , more importantly, to identify potential landslide risk area , and clearly the risk level of these areas . (4) Typical areas identified with a high risk of landslides , according to different working conditions , using three quantitative analysis method to carry out the analysis of the stability of the landslide , further defined the dangerous state of the landslide , is conducive to government departments to take specific disaster prevention mitigation measures.

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CLC: > Astronomy,Earth Sciences > Geology > Hydrogeology and Engineering Geology > Engineering Geology > The geological and engineering geological > Landslide
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