한국농공학회논문집 (Journal of The Korean Society of Agricultural Engineers)

  • 제59권5호
  • /
  • Pages.73-81
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  • 2017
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  • 1738-3692(pISSN)
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  • 2093-7709(eISSN)
한국농공학회 (The Korean Society of Agricultural Engineers)
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개량형 가동보에 적용하기 위한 패널형 유리섬유보강 폴리머 복합재료 클램핑 플레이트의 환경노출 성능

Environmental Exposure Performance of a Panel-Type Glass-Fiber-Reinforced Polymer Composite Clamping Plate for an Improved Moveable Weir

  • 투고 : 2017.08.22
  • 심사 : 2017.09.06
  • 발행 : 2017.09.30
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초록

The improved movable weir supplements the advantages and disadvantages of the rubber weir and the conduction gate. It consists of a stainless steel gate, air bags, and a steel clamping plate. The stainless steel gate is the main body of the weir, and the inflatable rubber sheet serves to support the steel gate. The steel clamping plate is typically in direct continuous contact with water, but this leads to corrosion issues that can reduce the life of the entire movable weir. In this study, a panel-type glass-fiber-reinforced polymer (GFRP) clamping plate was designed and fabricated. The test results showed that the flexural load of the panel-type GFRP composite clamping plate was over twice that of the wings type GFRP clamping plate. The lowest moisture absorption value was obtained upon exposure to tap water, and exposure to other solutions showed similar values. Additionally, flexural load testing after exposure to an accelerated environment found the lowest residual loads of 80.51 % and 78.50 % at 50 and 100 days, respectively, for exposure to a $CaCl_2$ solution, while exposure to other environments showed residual failure loads of over 80 % at both 50 and 100 days.

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참고문헌

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