Abstract：The status quo of safety management in China?s underground projects construction was introduced. Based on the accidents statistics，the serious security situation of underground projects construction was certificated. The analysis of types and causes for accidents indicated that the responsibility and subjective reasons are the great challenges for security management. Combining with Hain?s safety pyramid theory，Heinrich?s safety rules and Johnson?s changes-errors model，the concept that accidents can be prevented by risk management measures was established，and some suggestions for accidents prevention were put forward. Besides，the mechanism and control measures for two typical geological hazards，i. e. water and mud outbursts and rockburst，were represented. For the study of water and mud outbursts，the laws of occurrence and development，the precursory information theory，the geological prediction methods and other incident countermeasures were introduced. For the control measures of rockburst，the definition and classification of rockbursts，the prevention mechanism，theoretical basis and engineering practice for monitoring and prediction，as well as the construction measures，were introduced. Some opinions and suggestions on technical methods and management tools were put forward for the accident prevention for underground projects construction.
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2012, Vol. 31 
