某拟建高速公路地质灾害易发性评价
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摘要
高原山地地区地质灾害多发频发,对重大建设项目安全危害极大,开展拟建高速公路区域地质灾害易发性评价研究,对后期线路选址及地质灾害防治具有重要的理论和实际意义。在分析现状地质灾害特征的基础上,从气象水文、地形地貌、岩土类型及构造、人类工程活动4个方面选取对地质灾害发育贡献程度较大的因子,基于GIS技术,结合层次分析法(AHP)和信息量法对拟建施甸至链子桥段高速公路进行地质灾害易发性评价,并将评价结果划分为高易发区、中易发区和低易发区。通过研究区已有地质灾害编目对评价结果进行验证,结果表明,AHP_信息量模型在拟建工程地质灾害易发性评价中可操作性强,评价结果可靠性高。
The frequent occurrence of geological disasters in the plateau and mountainous areas has caused great harm to the safety of important construction projects. Research on the susceptibility assessment of geological disasters on the proposed expressway has important theoretical and practical significance for the site selection and prevention of geological disasters in the later stag. Based on the analysis of the characteristics of current geological hazards, factors that contribute to the development of geological disasters were selected from four aspects: meteorological hydrology, topography, geotechnical type and structure, and human engineering activities. Based on GIS technology, combined with analytic hierarchy process(AHP) and information content model, we carried out the susceptibility assessment of geohazard for the proposed Shidian-Qingziqiao expressway.The assessment results were divided into high probable, mid-probable and low probable areas, the catalogues of existing geological disasters were used to verify the results, which indicates that the AHP_information model is highly operable in the assessment of the geological hazard susceptibility of the proposed project, and the reliability of the assessment result is high.
The frequent occurrence of geological disasters in the plateau and mountainous areas has caused great harm to the safety of important construction projects. Research on the susceptibility assessment of geological disasters on the proposed expressway has important theoretical and practical significance for the site selection and prevention of geological disasters in the later stag. Based on the analysis of the characteristics of current geological hazards, factors that contribute to the development of geological disasters were selected from four aspects: meteorological hydrology, topography, geotechnical type and structure, and human engineering activities. Based on GIS technology, combined with analytic hierarchy process(AHP) and information content model, we carried out the susceptibility assessment of geohazard for the proposed Shidian-Qingziqiao expressway.The assessment results were divided into high probable, mid-probable and low probable areas, the catalogues of existing geological disasters were used to verify the results, which indicates that the AHP_information model is highly operable in the assessment of the geological hazard susceptibility of the proposed project, and the reliability of the assessment result is high.
引文
[1]田春山,刘希林,汪佳.基于CF和Logistic回归模型的广东省地质灾害易发性评价[J].水文地质工程地质,2016,43(6):154-161,170.
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[13]索海泉.云南省施甸县施甸至勐简高速公路施甸至链子桥段建设项目地质灾害危险性评估报告[R].昆明:湖南中核建设工程公司,2017.3-4.
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[15]王哲,易发成.基于层次分析法的绵阳市地质灾害易发性评价[J].自然灾害学报,2009,18(1):14-23.
[16]高治群,薛传东,尹飞,等.基于GIS的信息量法及其地质灾害易发性评价应用:以滇中晋宁县为例[J].地质与勘探,2010,46(6):1112-1118.
[2]唐川,马国超.基于地貌单元的小区域地质灾害易发性分区方法研究[J].地理科学,2015,35(1):91-98.
[3]曹璞源,胡胜,邱海军,等.基于模糊层次分析的西安市地质灾害危险性评价[J].干旱区资源与环境,2017,31(8):136-142.
[4]王小江,孙书勤,卢鹏飞.层次分析法在重庆某县地质灾害危险性评价中的应用[J].地球与环境,2014,42(3):419-423.
[5]常青,刘琳,苗利勇.基于模糊综合评判法临潼区地质灾害危险性评价[J].中国人口·资源与环境,2014,24(S1):355-358.
[6]王宁涛,彭轲,黎清华,等.基于RS和GIS的地质灾害易发性定量评价:以湖北省五峰县为例[J].地学前缘,2012,19(6):221-229.
[7]冯杭建,周爱国,俞剑君,等.浙西梅雨滑坡易发性评价模型对比[J].地球科学,2016,41(3):403-415.
[8]Devkota K C,Regmi A D,Pourghasemi H R,et al.Landslide susceptibility mapping using certainty factor,index of entropy and logistic regression models in GIS and their comparison at Mugling-Narayanghat road section in Nepal Himalaya[J].Natural Hazards,2013,65(1):135-165.
[9]邱海军,曹明明,刘闻,等.基于3种不同模型的区域滑坡灾害敏感性评价及结果检验研究[J].地理科学,2014,34(1):110-115.
[10]傅文杰.GIS支持下基于支持向量机的滑坡危险性评价[J].地理科学,2008,28(6):838-841.
[11]Conforti M,Pascale S,Robustelli G,et al.Evaluation of prediction capability of the artificial neural networks for mapping landslide susceptibility in the Turbolo River catchment(northern Calabria,Italy)[J].Catena,2014,113(1):236-250.
[12]Peng L,Niu R,Huang B,et al.Landslide susceptibility mapping based on rough set theory and support vector machines:A case of the Three Gorges area,China[J].Geomorphology,2014,204(1):287-301.
[13]索海泉.云南省施甸县施甸至勐简高速公路施甸至链子桥段建设项目地质灾害危险性评估报告[R].昆明:湖南中核建设工程公司,2017.3-4.
[14]李军,周成虎.基于栅格GIS滑坡风险评价方法中格网大小选取分析[J].遥感学报,2003,7(2):87-89.
[15]王哲,易发成.基于层次分析法的绵阳市地质灾害易发性评价[J].自然灾害学报,2009,18(1):14-23.
[16]高治群,薛传东,尹飞,等.基于GIS的信息量法及其地质灾害易发性评价应用:以滇中晋宁县为例[J].地质与勘探,2010,46(6):1112-1118.
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