Discussion on Early Warning System for Quality Supervision of Railway Construction Project

Quality Supervision is a very important system to ensure quality of railway construction project. Setting up early warning system is significant to enhance Quality Supervision work. Quality Supervision early warning should be studies and change the way of inspection after word to precaution. In this article, the basic early warning principle has been analyzed and working process has been specified, the 3D structure of time, logic and knowledge dimension is formed. What is more, two kinds of analysis methods based on contractor's quality data and spot checking data different quality data sources have been discussed: contractor's data and spot test data by superintendent. As a result, it is suggested to adopt spot test data to enhance the operability and reliability of early warning result.