A FUNDAMENTAL STUDY ON DIAGNOSTIC CHARACTERISTICS OF THE ROTARY HAMMERING TEST

Abstract

  The rotary hammering test is a way that could improve inspection accuracy and efficiency of conventional hammering test. This study is to examine diagnostic capability by means of the experiment with concrete specimens and the acoustic analysis based on finite element method. From experimental and analytical results of the rotary hammering test for concrete specimens, the influences of defect condition on sound pressure characteristics are figured out. In addition, it is confirmed that acoustic analysis simulates the experiment well.