This paper proposes an intelligent monitoring and evaluation system based on a four-layer architecture of "perception-transmission-analysis-application". By integrating multi-source sensing technology

edge computing

and the MSVM-MPGA intelligent inversion model

millimeter-level precise analysis of structural responses is achieved. Verified through the overpass project with the "tunnel below and bridge above" structure

the system successfully warns the shield construction disturbances

with a settlement monitoring accuracy of ±2mm and a 70% reduction in labor costs. The research results provide a promotable technical paradigm for the full-cycle safety management and control of complex engineering structures.