超声波透射法在灌注桩缺陷检测中的应用  

Application of Ultrasonic Transmission Method in Defects Detection of Grouting Pile

作　　者：于忆骅[1] 古松[1] 姚勇[1] 

机构地区：[1]西南科技大学土木工程与建筑学院,四川绵阳621010

出　　处：《路基工程》2010年第3期175-177,共3页Subgrade Engineering

摘　　要：介绍了超声透射法检测混凝土缺陷的原理、判别方法,分析了混凝土中常见缺陷的超声信号特征。以广青公路改建工程的桩身混凝土完整性检测为例,说明利用超声透射法进行灌注桩缺陷检测的优势与局限。This paper introduces the principle and determination of concrete defect detection with ultrasonic transmission method,and analyzes ultrasonic signal characteristics of common defects of concrete.With pile concrete integrity detection in Guanghan-Qingniutuo Highway reconstruction project as the example,it describes the advantages and limits of ultrasonic transmission method in detection of grouting pile defect.

关 键 词：超声透射法 混凝土灌注桩 缺陷 超声信号特征 完整性检测 

分 类 号：TU459.3[建筑科学—岩土工程] TU473.14[建筑科学—土工工程]