지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.2
- 수록면
- 71 - 77 (7page)
- DOI
- 10.5050/KSNVE.2024.34.1.071
이용수
초록· 키워드
오류제보하기
Semi-rigid structures such as buildings and bridges produce low amplitude vibration responses when various forces are applied to them. The best way to monitor low level signals is to deploy piezo type accelerometers owing to the high sensitivity and frequency bandwidth. One of the problems with piezo type sensors is the high hardware cost. In the real world, it is rare to implement piezo accelerometers for applications where precision is not of the utmost importance. In the present work, a polymer sensor is developed for vibration measurement in buildings and bridges. The sensors generate a high electric output signal even if the actual response of the structure is on the order of background noise vibration levels. The performance of the proposed sensor is experimentally verified for a target frequency of a 30 ㎐ band signal generated from a semi-rigid concrete wall. The vibration level is in the range of 0.001 to 0.01 G. The evaluation utilizes the following parameters: vibration modes, relative response level, and repeatability. The laboratory test shows that the design specifications meet the required target frequency and signal output level rigorously. We conclude that the proposed polymer sensor aimed at the specific frequency band has numerous advantages for the vibration monitoring of semi-rigid structures such as floating floors in apartment housing units. It can also be a cost-effective solution for various field problems.
목차
ABSTRACT
1. 서론
2. 본론
3. 결론
References
참고문헌 (13)
참고문헌 신청
Walrer, P. L., 2007, The History of the Accelerometer, Sound and Vibration, Vol. 41, No.1, pp.84-92
Brüel & Kjær Webpage, 2023, PIEZOELECTRIC CCLD / IEPE ACCELEROMETERS, Vibration Transducers of Brüel & Kjær an HBK Company, Virum, Denmark.
PCB piezotronics Webpage, 2023, Sensors For Seismic Testing, Specification of PCB piezotronics an amphenol Company, NY, United States, Series 393, TM-VIB-Seismic lowres.
Institut für Baustatik und Konstruktion, 1995, Vibration Problems in Structures, Birkhäuser, Basel, Switzerland, Chapter 1. Vibrations Induced by People, pp. 1~27.
Mun, D. H., Oh, Y. K., Jeong, G. C. and Park, H. G., 2016, Floor Impact Noise Level for Concrete Slab Integrated with Floor Finishing Layers, Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 26, No. 2, pp. 130~140.
Brüel & Kjær Webpage, 2023, PIEZOELECTRIC CCLD / IEPE ACCELEROMETERS, Vibration Transducers of Brüel & Kjær an HBK Company, Virum, Denmark.
PCB piezotronics Webpage, 2023, Sensors For Seismic Testing, Specification of PCB piezotronics an amphenol Company, NY, United States, Series 393, TM-VIB-Seismic lowres.
Institut für Baustatik und Konstruktion, 1995, Vibration Problems in Structures, Birkhäuser, Basel, Switzerland, Chapter 1. Vibrations Induced by People, pp. 1~27.
Mun, D. H., Oh, Y. K., Jeong, G. C. and Park, H. G., 2016, Floor Impact Noise Level for Concrete Slab Integrated with Floor Finishing Layers, Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 26, No. 2, pp. 130~140.
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