高边坡路堑风险评估报告中铁十八局集团有限公司深圳外环高速公路第6标项目经理部二工区二〇一六年四月二十日第2页共82页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共82页目录1.编制依据...................................................................................................................................41.1国家相关规律法规........................................................................................................41.2国家相关部门颁布的现行标准、规范、规程、导则、指南、办法........................41.3政府、业主相关管理文件............................................................................................52.工程概况...................................................................................................................................52.1概述...............................................................................................................................52.2自然地貌........................................................................................................................62.3气象水文........................................................................................................................62.4项目地质评价...............................................................................................................72.4.1地层岩性..............................................................................................................72.5水文地质概况...............................................................................................................72.5.1地下水..................................................................................................................72.5.2水质腐蚀性评价..................................................................................................72.6不良工程地质...............................................................................................................72.6.1崩塌......................................................................................................................82.6.2岩堆......................................................................................................................82.6.3软弱土..................................................................................................................82.6.4（新近）人工填土...............................................................................................82.6.5孤石及夹层..........................................................................................................82.7高边坡路堑工程概况表................................................................................................93.风险评估方法.........................................................................................................................103.1总体评估......................................................................................................................103.1.1路堑高边坡工程总体风险评估指数体系........................................................103.1.2总体风险评估模型............................................................................................153.1.3总体风险分级标准............................................................................................163.2专项风险评估.....................................
