The grey comprehensive evaluation support system on safety of construction sites

Safety evaluation technology is a new method in the field of safety management. It made safety management from remedy after the accident to prevention beforehand. So safety management has the function to control the way of accidents. But now safety evaluation methods that adapt construction industry are not mature. In this paper, on the basis of integrating the current safety evaluation technologies and the traits of construction, a new grey comprehensive evaluation method is proposed. At first, the index system is constructed on safety evaluation of construction sites. Then on the usage of the hierarchy grey evaluation method, the process and evaluating grade are established to evaluate the safety of construction sites. At the same time, a comprehensive evaluation support system is developed. The new method is verified in three construction sites of Qingdao Construction Group.