Civil engineering foundation pit construction monitoring system and monitoring method

The invention discloses a civil engineering foundation pit construction monitoring system and monitoring method. The monitoring system comprises a man-machine operation module, a data acquisition module, a video data acquisition module, a central processing unit, a prediction analysis module, an expert evaluation module, a physical model building module, a virtual actuator, a virtual sensor, a simulation analysis module and an alarm modules. The system is safe, practical, convenient, real-time and effective, avoids safety problems in foundation pit construction monitoring, can be used in various construction environment sites to eliminate safety information hidden dangers in a construction process, can effectively detect and manage the construction site, and maintains the normal operation of a detection system of the construction site.