ABSTRACT
Because of its unique unseen character, isolation from nature and complexity, the construction of underground works is more difficult than the process of general buildings. In the age of high demands of environmental protection, the environmental impact caused by underground works construction is attracting increasing attention. The paper is for the risk assessment on environmental impact caused by the construction of Shanghai Xizang South Road Tunnel from the point view of risk. The authors make quantitative analysis on the impact of construction on surrounding buildings, the impact on surrounding roads and the impact on surrounding pipelines. At last, the ranks of hazard risks are provides as well as the
risk reduction measures. It may give some advice and suggestions on underground construction.
