Abstract:

Metro works has such features as onetime construction, huge investment, long constructionperiod, high requirement and construction activities taking place under complex natural and social environment, therefore the construction of Metro works will be inevitably intervened by various uncertain factors, which can result in various risks that hinder the predetermined targets of the Metro works from being achieved. The paper identifies and analyzes on the risks involved in the construction of ChongwenmenDongdan running tunnel on line 5 of Beijing Metro, recommends some corresponding countermeasures for the risks and gives some useful advices for the risk management of Metro works constructed by method of undercutting under shallow overburden.

Key words: undercutting under shallow overburden  , risk management  , risk identification risk handling