混凝土缺陷超声检测技术的新进展  

The Late Development of Ultrasonic Testing Technology for Concrete Defect

作　　者：沈国伟[1] 叶伟国[1] 

机构地区：[1]绍兴文理学院物理系

出　　处：《传感器世界》2002年第9期1-5,共5页Sensor World

摘　　要：介绍混凝土缺陷超声检测新方法和检测长桩质量原理,综述了裂缝深度检测新进展,如相位变化法、横波法和冲击回波法等。This paper introduces the latest methods of ultrasonic testing for concrete defect and principle of testing long-pilequality. In addition, new ultrasonic testing methods for the depth of a concrete crack are also summarized, such as phase variation method, transverse wave method and impact-echo method.

关 键 词：混凝土 超声检测 缺陷 相位变化法 横波法 冲击回波法 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]