米花岭隧道排水对周围环境影响的调查  

Investigation on Influence of Drainage from Mihualing Tunnel on Surrounding Environment

作　　者：叶绍燕[1] 欧洪[1] 

机构地区：[1]南宁铁路局疾病预防控制中心卫生科,广西壮族自治区南宁市530003

出　　处：《职业与健康》2011年第12期1401-1402,共2页Occupation and Health

摘　　要：目的了解南昆铁路米花岭隧道排水对周围环境的影响,解决人畜饮用水安全等相关问题。方法对米花岭隧道周围环境进行实地调查,按国家标准方法对水质、土壤进行检测分析。结果隧道排水呈碱性,水中铁、锰含量超出国家标准,人畜饮水安全受到威胁;农田土壤呈碱性,农作物严重减产。结论隧道排水对周围环境存在不同程度的影响。[Objective]To understand the influence of drainage from Mihualing tunnel of Nanning-Kunming Railway on the surrounding environment,to solve the related problems such as drinking water safety for people and livestock.[Methods]The field investigation was conducted on surrounding environment of Mihualing tunnel,and water quality and soil were tested and analyzed according to the national standard methods.[Results]The drainage water of tunnel showed alkaline,the level of iron and manganese in water exceed the national standards,so drinking water for people and livestock was not safe.The farmland soil showed alkaline,and crop yield decreased severely.[Conclusion]The tunnel drainage has different degrees of influence on surrounding environment.

关 键 词：隧道 排水 环境影响 

分 类 号：R12[医药卫生—环境卫生学]