지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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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.28 No.5
- 발행연도
- 2021.11
- 수록면
- 593 - 603 (11page)
이용수
초록· 키워드
오류제보하기
Pier column, as the most critical load-bearing member of bridge, can bear multiple loads including axial forces,shear forces, bending moments, etc. The varied cross section at the column interface and bearing platform or drilled shaft leads to harmful stress concentration that can potentially compromise the structural integrity. In order to improve the ductility of bridge structure, a pier column is often designed with a variable cross-section region to dissipate energy through plastic deformation. For better understanding the health condition of pier column in its service life, it is of great significance to obtain the damage severity information in the variable cross-section region. This study utilizes an active sensing method enabled by distributed Lead Zirconate Titanate (PZT)-based Smart Aggregate (SA) sensors to monitor the damage initiation and development near the bottom of a pier column. Crack damage in variable cross-section region functions as a stress relief that attenuates propagating stress wave energy between SA pairs. Both the numerical and experimental results show that the reduction ratio of the stress wave energy is consistent with the crack development, thus validating the reliability of the investigated approach. SA-based technology can be used as a potential tool to provide early warning of damage in variable cross-section region of bridge structures.
목차
등록된 정보가 없습니다.
참고문헌 (43)
참고문헌 신청
Nawal Kishor Banjara / 2019 / Damage progression study in fibre reinforced concrete using acoustic emission technique / Smart Structures and Systems, An International Journal 23(2):173~184
Berry, M. P. / 2008 / Lumped-Plasticity Models for Performance Simulation of Bridge Columns / ACI Structural Journal 105(3):270
Qian Feng / 2015 / Crack detection and leakage monitoring on reinforced concrete pipe / Smart Materials and Structures 24(11):115020
Qian Feng / 2016 / Damage detection of concrete piles subject to typical damage types based on stress wave measurement using embedded smart aggregates transducers / Measurement 88:345~352
Qian Feng / 2017 / Detection of Interfacial Debonding in a Rubber–Steel-Layered Structure Using Active Sensing Enabled by Embedded Piezoceramic Transducers / Sensors 17(9):2001
Berry, M. P. / 2008 / Lumped-Plasticity Models for Performance Simulation of Bridge Columns / ACI Structural Journal 105(3):270
Qian Feng / 2015 / Crack detection and leakage monitoring on reinforced concrete pipe / Smart Materials and Structures 24(11):115020
Qian Feng / 2016 / Damage detection of concrete piles subject to typical damage types based on stress wave measurement using embedded smart aggregates transducers / Measurement 88:345~352
Qian Feng / 2017 / Detection of Interfacial Debonding in a Rubber–Steel-Layered Structure Using Active Sensing Enabled by Embedded Piezoceramic Transducers / Sensors 17(9):2001
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