跨缝单平面声波测试法首波反相意义探讨  

Discussion on the First-Wave Inversion Phenomenon Detected by Uni-Planar Ultrasonic

作　　者：丁华 金瑜 DING Hua;JIN Yu(Shaoxing Zhenghao Engineering Testing Co.,Ltd.,Shaoxing Zhejiang 312000,China;Zhejiang Tuli Geotechnical Survey and Design Institute Co.,Ltd.,Shaoxing Zhejiang 312000,China)

机构地区：[1]绍兴正浩工程检测有限公司,浙江绍兴312000 [2]浙江土力工程勘测设计院有限公司,浙江绍兴312000

出　　处：《工程质量》2023年第S01期139-142,共4页Construction Quality

摘　　要：针对单平面超声波法测试裂缝深度的首波反相现象,从其发生机理和相应的测距要求方面,均在理论上给与了分析和探讨,并结合现行规范标准,对该方法的实际应用给出了一定的建议。This paper theoretically analyzes and discusses the first-wave inversion phenomenon of crack depth detected by unti-planar ultrasonic from its mechanism and the corresponding distance measurement requirements.The paper also gives some suggestions on the practical application of this method in combination with the current specification standards.

关 键 词：声波检测 裂缝深度 绕射波 首波相位反转 反射波 广角反射 

分 类 号：TU192[建筑科学—建筑理论]