To monitor the shield unit,personnel,and site environment during tunnel boring,this article develops a set of shield construction status real-time monitoring system.First,according to the structural characteristics of the entire shield machine,a data acquisition and transmission system for the operating status of key components such as shield cutter,main drive,hydraulic system,etc.is established,and a multi-featured dimensional shield big data classification and integration framework is constructed for the differentiated data formats.Second,an intelligent shield information platform is designe...