介绍了声发射技术的基本原理,阐述了凯塞效应广泛存在于各种受力状态下的钢筋混凝土中,分析了速率过程理论在混凝土损伤评估中的应用研究,论述了声发射技术在监测锈蚀钢筋混凝土中的独特优势,b值分析方法可以有效地评价钢筋混凝土结构的损伤,介绍了声发射在混凝土疲劳性能方面的应用,以及声发射定位技术及应用,最后展望了声发射技术的应用前景。
The basic principles of acoustic emission are introduced.Kaiser effect is widely existed in reinforced concrete under different strained condition.Applications of acoustic emissionrate process analysis in assessing damage of concrete is analyzed.Acoustic emission technique has a unique advantage in monitoring of reinforced concrete.b-value analysis can evaluate effectively damage of reinforced con- crete.Fatigue analysis by acoustic emission technique is introduced.Damage localization of acoustic emission is stated.At last, prospects of acoustic emission used in reinforced concrete are presented.