超声红外热像技术进展及在混凝土应用的新探索  

Development of ultrasonic infrared thermography technology and the study on its application in concrete

作　　者：汤雷[1] 蒋金平[1] 

机构地区：[1]南京水利科学研究院,江苏南京210024

出　　处：《混凝土》2012年第3期8-11,14,共5页Concrete

基　　金：国家自然科学基金项目(51079087)

摘　　要：综述了红外热像技术现状和进展,红外热像技术对于缺陷与本体存在热容或者导热系数差异时检测效果较好,并且检测效率高。分析了超声红外热像技术进展,从复合材料、金属材料损伤以及疲劳裂纹3个方面说明其应用现状,超声热像技术具有适应复杂结构的特点,并且检测速度快,具有对内部缺陷进行检测的潜在能力。探索了超声热像检测技术在混凝土结构中应用的特点,并建立混凝土结构超声热像检测技术系统,对混凝土墩的超声热像检测技术进行了探索。Takes a review of infrared thermography technology.The infrared thermography have good effects and high detection efficiency when the defects have heat or thermal conductivity differences with other parts.Analyzes the progresses of ultrasonic infrared thermography technology, illustrates the application from the damages of composite material,metal material and fatigue cracks.Ultrasonic infrared thermography technology can be applied to complex structures with fast detection speed, and having capability to defect latent detections.Explores the application of the ul- trasonic infrared thermography technology in concrete structures, establishes ultrasonic infrared thermography system on concrete structures, and probes the detecting technology on concrete piers.

关 键 词：超声 红外 检测 混凝土 

分 类 号：TU528.01[建筑科学—建筑技术科学]