牛背至天水高速公路路域环境地质安全性评价方法探讨

冰川冻土 ›› 2006, Vol. 28 ›› Issue (4): 618-622.

• 寒区工程与技术 • 上一篇

牛背至天水高速公路路域环境地质安全性评价方法探讨

吴敏慧¹, 沈永平²

1. 贵州省交通工程有限公司, 贵州, 贵阳, 550001;
2. 中国科学院, 寒区旱区环境与工程科学研究所, 甘肃, 兰州, 730000

收稿日期:2006-01-20 修回日期:2006-05-16 出版日期:2006-08-25 发布日期:2012-04-26
基金资助:
西部交通建设科技项目"连霍国道主干线牛背至天水高速公路地质环境与生态安全评估及对策研究"(2004-318-000-57)资助

Evaluating Method of Environmental Geological Safety along Niubei-Tianshui Expressway

WU Min-hui¹, SHEN Yong-ping²

1. Guizhou Traffic Engineering Co., Ltd, Guiyang Guizhou 550001, China;
2. Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou Gansu 730000, China

Received:2006-01-20 Revised:2006-05-16 Online:2006-08-25 Published:2012-04-26

摘要/Abstract

摘要： 天(水)宝(鸡)高速公路牛背至天水段工程通过地区地质构造复杂,岩土种类繁多,岩土工程和环境地质安全如果不加以重视,易造成道路的地质灾害,直接影响到工程建设的质量和安全性,也将给未来运营安全带来严重的隐患和经济损失.在野外地质调查的基础上,探讨了公路路域环境地质安全性评价的影响因素和安全性评估内容,通过遥感技术等方法对地质和岩土工程信息提取并进行安全性评价,对研究区进行了初步评价,并提出了应对措施.

关键词: 环境地质, 安全评价, 山区公路, 遥感

Abstract: On the basis of the field investigation and analysis of the land damaged of geological hazards by remote sensing and historical documental records,role of geology in engineering,hydrologic influences,geologic exploration of engineering sites,mapping,rock mass classifications,geological engineering aspects of underground excavations,slopes are introduced.Complex geological structure,special geographical setting,various rock and soil types,steep landform and frequent rainfall along highway engineering domain of Niubei-Tianshui Section of Tianshui-Baoji Expressway are risk factors for building engineering and mountainous highway environmental geological safety,and should be deeply attention,and evaluation of natural environment and land use safety by GIS and remote sensing are employed in highway building.The engineering geological investigation of highway engineering can be divided as different phases,the working contents and methods of each investigation phase are also put forward.Field mapping of faults,scarps,mass wasting units,Quaternary deposits,fractures,folds,and bedrock is a first step of evaluation on environmental geological safety.Overseeing the on-site hazard data collection and assessment efforts,by analyzing data,it provides accurate and complete onsite hazard recommendations.The results show that there are 61geological disasters potential risk sites in the highway engineering domain of Niubei-Tianshui Section,including 29landslides,25scarps fallings and 7 debris flows.

Key words: environmental geology, safety evaluation, mountainous highway, remote sensing

中图分类号:

X820.2

吴敏慧, 沈永平. 牛背至天水高速公路路域环境地质安全性评价方法探讨[J]. 冰川冻土, 2006, 28(4): 618-622.

WU Min-hui, SHEN Yong-ping. Evaluating Method of Environmental Geological Safety along Niubei-Tianshui Expressway[J]. JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY, 2006, 28(4): 618-622.

参考文献

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[5] Gansu Provincial Survey and Design Institute of Geological Hazard and Control Engineering,Gansu Provincial Land and Resources Panning Institute.Risk Assessment on Disasters in Highway Engineering Building Land along Niubei-Tianshui Section of Tiansui-Baoji Expressway[R].Lanzhou:Gansu Provincial Survey and Design Institute of Geological Hazard and Control Engineering,Gansu Provincial Land and Resources Panning Institute,2004.[甘肃地质灾害防治工程勘查设计院,甘肃省国土资源规划研究院.天(水)宝(鸡)高速公路牛背至天水段工程建设用地地质灾害危险性评估报告[R].兰州:甘肃地质灾害防治工程勘查设计院,甘肃省国土资源规划研究院,2004.]

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牛背至天水高速公路路域环境地质安全性评价方法探讨

Evaluating Method of Environmental Geological Safety along Niubei-Tianshui Expressway

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