This paper expounds the necessity of the implementation of
civil engineering structural health monitoring, this paper introduces the
connotation, composition of structural health monitoring system, monitoring
contents, monitoring and control system function and its engineering
application, discusses the methods of two kinds of structural damage detection,
the key to power the fingerprint in the damage identification method, model
modification method, neural network and genetic algorithm are analyzed and
compared, The main research problems and development direction in the field
of health monitoring in the future are described.