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이래철 ( Lee Rae-chul ),박윤제 ( Park Yoonje ),김래현 ( Kim Rae-hyun ),정경자 ( Jung Gyungja ),정종홍 ( Jung Jong-hong ) 한국구조물진단유지관리공학회 2005 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.9 No.1
Use of Ultra-sonic test for checking concrete integrity has increased in recent years. In order to test or check the quality of the cast in place concrete piles, two main types of non destructive integrity tests such as sonic integrity, sonic logging are usually employed. Sonic integrity test is the most common method in integrity test on piles. Sonic logging test in occasionally employed as a part of pre-planned site. This paper presents a full-scale model test results of these two commonly used non-destructive tests on the cast in place concrete piles.