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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.16 No.1
- 발행연도
- 2015.1
- 수록면
- 67 - 79 (13page)
이용수
초록· 키워드
오류제보하기
Acoustic emission analysis is an effective technique for monitoring the evolution of damage in a structure. An experimental analysis on a set of reinforced concrete beams under flexural loading was carried out. A mixed AE analysis method which used both parameter-based and signal-based techniques was presented to characterize and identify different failure mechanisms of damage, where the signal-based analysis was performed by using the Hilbert-Huang transform. The maximum instantaneous energy of typical damage events and the corresponding frequency characteristics were established, which provided a quantitative assessment of reinforced concrete beam using AE technique. In the bending tests, a \"pitch-catch\" system was mounted on a steel bar to assess bonding state of the steel bar in concrete. To better understand the AE behavior of bond-slip damage between steel bar and concrete, a special bond-slip test called pullout test was also performed. The results provided the basis of quantitative AE to identify both failure mechanisms and level of damages of civil engineering structures.
목차
등록된 정보가 없습니다.
참고문헌 (26)
참고문헌 신청
Aggelis, D. G. / 2013 / Investigation of different fracture modes in cement-based materials by acoustic emission / Cement Concrete Res 48:1~8
Aldahdooh, M.A.A. / 2013 / Crack classification in reinforced concrete beams with varying thicknesses by mean of acoustic emission signal features / Constr. Build. Mater 45:282~288
Balázs, G. / 1993 / Acoustic emission monitoring on steel-concrete interaction / Otto Graf J 4:56~90
Beattie, A. G. / 1983 / Acoustic emission, principles and instrumentation / J. Acoust. Emission 2(1-2):95~128
Enoki, M. / 1988 / Theory and analysis of deformation moment tensor due to microcracking / Int. J. Fracture 38(4):295~310
Aldahdooh, M.A.A. / 2013 / Crack classification in reinforced concrete beams with varying thicknesses by mean of acoustic emission signal features / Constr. Build. Mater 45:282~288
Balázs, G. / 1993 / Acoustic emission monitoring on steel-concrete interaction / Otto Graf J 4:56~90
Beattie, A. G. / 1983 / Acoustic emission, principles and instrumentation / J. Acoust. Emission 2(1-2):95~128
Enoki, M. / 1988 / Theory and analysis of deformation moment tensor due to microcracking / Int. J. Fracture 38(4):295~310
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