Evaluation of environmental pollution caused by heavy metal elements in natural ground

被引：0

作者：

Ohta, Takehiro ^{[1
]}

Enomoto, Hideaki ^{[1
]}

Kawagoe, Takehi ^{[1
]}

Hasegawa, Atsushi ^{[1
]}

机构：

[1] Geology Laboratory, Disaster Prevention Technology Division

来源：

Quarterly Report of RTRI (Railway Technical Research Institute) (Japan) | 2008年 / 49卷 / 03期

关键词：

Discharge; Heavy metals; Mud sediments; Natural ground; Pyrite;

D O I：

10.2219/rtriqr.49.139

中图分类号：

学科分类号：

摘要：

The pollution of ground water caused by the inflow of drainage water from mudstone excavation sites is a serious issue. It has been recognized that the problem results from the discharge of sulfate generated by the decomposition of pyrite contained in the mudstone. Urban natural ground commonly contains mud sediments, and when the underground environment is altered by underground openings, pollution by acid water originating from these mud sediments may occur. The prediction of pollution is therefore important in constructing underground openings. We used numerical simulation to attempt prediction of the spatial extent of pollution caused by the drainage of acid water with heavy metals from mud sediment.

引用

页码：139 / 144

页数：5