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Ankang - Xunyang - Sichuan River along the highway geological hazard evaluation

Author: LvYuanQiang
Tutor: MaoYanLong
School: Chang'an University
Course: Geological Engineering
Keywords: Geological disasters GIS Risk Assessment AHP
CLC: P694
Type: Master's thesis
Year: 2005
Downloads: 378
Quote: 18
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Abstract

With the continuous development of human society, the threat of geological disasters are often people's lives. Such as landslides, avalanches, ground cracks, landslides and other geological disasters have become increasingly prominent threat to people's lives and property safety. Especially in recent years, with the construction of the conduct of the western development, the impact of geological disasters natural and anthropogenic factors also growing. Therefore, the state allocated special funds to manage a large number of geological disasters. In this context, for the well-being - Xunyang - Sichuan river along the road risk assessment of geological disasters, it is very urgent and important. This study of geological disasters in contention for the core issue - geological hazard assessment studies to well-being - Xunyang - Sichuan river along the highway geological disasters, for example, various types of geological disasters along the road to evaluate the risk. Combined with the actual situation, select the appropriate evaluation methods of the past geological hazard assessment of low efficiency, poor accuracy, time-consuming issues such as improvement and innovation in order to achieve geological hazards along the highway of information technology and scientific. In this study, for the well-being - Xunyang - Sichuan river along the road constructed various types of geological disasters evaluation model, the use of geological hazard assessment theory and techniques (GIS, remote sensing, and database construction, etc.), obtained Ankang - Xunyang - Sichuan River along the highway danger of geological disasters conclusions, conclusions and recommendations. Content and the main results of this paper include: (1) analysis of geological hazards along the road of meteorology and hydrology, topography, lithology, geological structure, hydrogeological, new tectonic movement and seismic and other geological environmental conditions; (2) the introduction geological hazards along the road conditions, based on the analysis of its spatial, temporal distribution and main characteristics; (3) for the study area, the actual situation analysis along the highway geological hazard assessment theory and techniques; (4) Ankang - Xunyang - White River along the highway geological disasters as an example, analysis and evaluation of geological hazard area development intensity: (5) geological hazard evaluation of the content and purpose: ① geological disasters historical activity level: including historical disasters the scale, frequency, density; ② geological disasters future development conditions: including geological conditions, terrain conditions, weather conditions, hydrological conditions, vegetation conditions and human activities; ③ evaluation of geological disasters historical activities and future geological disasters probability evaluation geological hazard level; (6) the use of GIS, remote sensing images, database construction and AHP methods such evaluation studies, drawn along the highway geological hazard prediction and evaluation of the results.

Ankang - Xunyang - Sichuan River along the highway geological hazard evaluation

Abstract

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