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[학술저널]

  • 학술저널

정한구(군산대학교) 장양(군산대학교) 염덕준(군산대학교)

DOI : 10.3744/SNAK.2017.54.4.312

이 논문을 2019-06-16 에 이용했습니다. 저작권자 요청에 따라 무료로 제공되는 논문입니다. 로그인 후 이용하실 수 있습니다.

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초록

This paper deals with the development of structural test facility for the strength assessment of marine leisure boat built from carbon fiber reinforced plastics (CFRP) materials. The structural test facility consists of test jig, load application and control system, and data acquisition system. Test jig, and load application and control system are designed to accommodate various size and short span to depth ratios of single skin, top-hat stiffened and sandwich constructions in plated structural format such as square and rectangular shapes. A lateral pressure load, typical and important applied load condition to the plates of the hull structure for marine leisure boat, is simulated by employing a number of hydraulic cylinders operated automatically and manually. To examine and operate the structural test facility, five carbon/epoxy based FRP square plates having the test section area of 1 ㎡, which are part of CFRP marine leisure boat hull, are prepared and they are subjected to monotonically increasing lateral pressure loads. In the test preparation, considering the symmetry of the plates geometry, various strain gauges and linear variable displacement transformer are used in conjunction with data acquisition system utilizing LabVIEW. From the test observation, the responses of the CFRP hull structure of marine leisure boat are understood by obtaining load to deflection and strain to load curves.

목차

1. 서론
2. CFRP 재료 기반의 레저선박
3. 구조강도 평가를 위한 시험설비
4. 시험용 CFRP 적층판 구조물
5. 시험설비를 활용한 구조강도 평가
6. 결론
References

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