中文核心期刊
CSCD来源期刊
中国科技核心期刊
RCCSE中国核心学术期刊

重庆交通大学学报(自然科学版) ›› 2011, Vol. 30 ›› Issue (1): 89-94.

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重庆市万州区公路洪灾孕灾环境分区

覃庆梅,林孝松,唐红梅,陈洪凯   

  1. 重庆交通大学 岩土工程研究所,重庆 400074
  • 收稿日期:2010-09-15 修回日期:2010-11-10 出版日期:2011-02-15 发布日期:2015-01-22
  • 作者简介:覃庆梅( 1986—) ,女( 壮) ,广西南宁人,硕士研究生,主要从事岩土工程及GIS 研究。E-mail: hunxueer1226@126.com。
  • 基金资助:
    交通运输部西部交通科技项目( 2009318221035) ; 国家自然科技基金项目( 50678182)

Environment Zoning of Geological Hazaeds Developing of Road Flood in WanZhou

QIN Qing-mei,LIN Xiao-song,TANG Hong-mei,CHEN Hong-kai   

  1. Reseanch of Geotechnical Engineering,Chongqing Jiaotong University,Chongqing 400074,China
  • Received:2010-09-15 Revised:2010-11-10 Online:2011-02-15 Published:2015-01-22

摘要: 针对重庆市万州区公路洪灾,选择公路沿线地质灾害发育、暴雨强度、洪水频次、地貌条件、岩性条件、年均降 雨量、植被覆盖度与地质构造等8 个孕灾环境指标,通过层次分析法确定其权重,提出了孕灾环境指数评价模型。 在GIS 技术支持下,以网格为单位提取出各网格的孕灾环境指数,据此结合万州区乡镇级行政区划将万州区公路 洪灾孕灾环境划分为4 个等级区,即危险区、高易发区、中易发区与低易发区。通过研究其成果对公路洪灾风险评 价具有一定实用价值。

关键词: 孕灾环境分区, 公路洪灾, 层次分析法, 地理信息系统, 万州区

Abstract: For the road flood in Wanzhou area in Chongqing,eight geological hazards developing environment indexes,i. e. geological hazards along the highway,rainstorm,flood frequency,landforms,Geological lithology,average annual rainfall, vegetation coverage and geological conditions are selected. And then evaluation model is proposed and each index is calculated through Analytical Hierarchy Process ( AHP) . Based on MAPGIS technology,indexes of each grid are extracted, combining with Wanzhou administrative region,environment zoning of geological hazards developing in Wanzhou can be divided into dangerous area,high easy-happening area,medium easy-happening area,low easy-happening area. These results have practical value on the road flood risk assessment.

Key words: environment zoning of geological hazards developing, road flood, Analytical Hierarchy Process ( AHP) , GIS technology, Wanzhou area

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