원전 냉각수 취수용 GFRP관의 장기관변형 예측
분야
공학 > 기타(공학)
저자
김선희 ( Sun Hee Kim ) , 박준석 ( Joon Seok Park ) , 윤순종 ( Soon Jong Yoon )
발행기관
한국복합신소재구조학회
간행물정보
복합신소재구조학회지 2012년, 제3권 제3호, 1~8쪽(총8쪽)
파일형식
1v900086.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    Recently, underground pipes are utilized in various fields of applications such as sewer lines, drain lines, water mains, gas lines, telephone and electrical conduits, culverts, oil lines, etc. Most of pipes are installed for long-term purposes and they should be safely installed in consideration of installation conditions because there are unexpected various terrestrial loading conditions. In this paper, we present the result of investigation pertaining to the structural behavior of glass fiber reinforced thermosetting polymer plastic (GFRP) flexible pipes buried underground. The mechanical properties of the GFRP flexible pipes produced in the domestic manufacturer are determined and the results are reported in this paper. In addition, ring deflection is measured by the field tests and the finite element analysis (FEA) is also conducted to simulate the structural behavior of GFRP pipes buried underground. From the field test results, we predicted long-term, up to 50 years, ring deflection of GFRP pipes buried underground based on the method suggested by the existing literature. It was found that the GFRP flexible pipe to be used for cooling water intake system in the nuclear power plant is appropriate because 5% ring deflection limitation for 50 years could be satisfied.
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