超声波CT成像技术及其在大型桥梁基桩无损检测中的应用

Ultrasonic tomography technology and its applications in undamage test of bridge foundation piles

在大型桥梁基桩的超声波检测中 ,为了准确确定异常部位的尺寸 ,将CT成像技术引入到超声波检测中 ,实际工程应用结果表明 ,这种技术具有分辨率高、缺陷定位准确、检测结果直观。

The ultrasonic tomography technology was employed in undamage test of large bridge foundation piles in order to measure damage of co ncrete in this paper.The measuring result of an engineering example indicated th at the ultrasonic tomography technology is a good method in the quality evaluati on of bridge foundation piles.