| 논문명 |
응력파 기반 비파괴 검사법을 이용한 콘크리트 슬래브의 압축강도 추정 및 공기량 영향에 관한 실험적 연구 / Experimental Study on the Estimation of the Compressive Strength and the Influence of Air Contents of Concrete Slab using Nondestructive Tests based on Stress Waves |
| 저자명 |
홍성욱(Hong Seong-Uk) ; 김성범(Kim Seong-Beom) ; 주현지(Zoo Hyun-Zee) ; 조영상(Cho Young-Sang) |
| 발행사 |
대한건축학회 |
| 수록사항 |
대한건축학회논문집 구조계, v.24 n.12 (2008-12) |
| 페이지 |
시작페이지(19) 총페이지(8) |
| ISSN |
12269107 |
| 주제분류 |
재료 / 구조 |
| 주제어 |
비파괴 검사법 ; 충격반향기법 ; 표면파기법 ; 자유단 공진시험 ; 압축강도 ; 공기량//Nondestructive Test ; Impact Echo Method ; SASW Method ; Free-Free Resonance Test ; Compressive Strength ; Air Contents |
| 요약2 |
This research is focused on predicting concrete compressive strength and the influence of Air-contents of concrete slab using Impact Echo (IE) method, Spectral Analysis of Surface Wave(SASW) method and Free-Free Resonance(FFR) test, which are one of the Non-destructive Test (NDT) methods. The method for predicting the strength of concrete slab are derived from the relationship between compressive strength and stress wave velocity. Furthermore, the influence of air ratio to the stress wave velocity and the compressive strength has been analyzed using specimens that have been prepared based on the variable of air entrained agent mix ratio which are 0%, 0.15%, 0.3%, 0.7% and 1.5% by weight. The reduction range of compressive strength and stress wave velocity has been decreased after reaching the air ratio of 4%. Predicting compressive strength based on stress wave velocity leads to the results of an average error 4.9% in compressive wave velocity and 2.2% in surface wave velocity except for non-AE concrete. |
| 소장처 |
대한건축학회 |