混凝土结构损伤声发射分析方法研究进展

Progress of Study on Acoustic Emission Analysis Methods for Damage of Concrete Structures

基于声发射技术在混凝土损伤检测中广阔应用前景,对国内外混凝土损伤的声发射分析方法的研究进行了分析。混凝土损伤的声发射分析方法梳理工作主要围绕混凝土损伤声发射信号特征参数分析、声发射信号波形分析、基于声发射技术的混凝土损伤定位分析和火灾下混凝土结构损伤声发射技术应用4个方面来展开,介绍了多种声发射分析方法的研究现状,并对其技术特点和适用范围进行了总结。

Based on the extensive use prospect of acoustic emission technology in concrete damage detection,researches on acoustic emission analysis methods of concrete damage at home and abroad were analyzed.The sorting of acoustic emission analysis methods for concrete damage was focused on four aspects:characteristic parameter analysis of acoustic emission signal of concrete damage,waveform analysis of acoustic emission signal,concrete damage location analysis based on acoustic emission technology,and application of acoustic emission technology for concrete structure damage under fire.The research status of various acoustic emission analysis methods was introduced,and their technical characteristics and application scope were summarized.