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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.27 No.6
- 발행연도
- 2018.1
- 수록면
- 691 - 702 (12page)
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This paper presents experimental and analytical results of fiber reinforced polymer (FRP) confined steel tubular columns under transverse impact loads. Influences of applied impact energy, thickness of FRP jacket and impact position were discussed in detail, and then the impact responses of FRP confined steel tubes were compared with bare steel tubes. The test results revealed that the FRP jacket contributes to prevent outward buckling deformation of steel at the clamped end and inward buckling of steel at the impact position. For the given applied impact energy, specimens wrapped with one layer and three layers of FRP have the lower peak impact loads than those of the bare steel tubes, whereas specimens wrapped with five layers of FRP exhibit the higher peak impact loads. All the FRP confined steel tubular specimens displayed a longer duration time than the bare steel tubes under the same magnitude of impact energy, and the specimen wrapped with one layer of FRP had the longest duration time. In addition, increasing the applied impact energy leads to the increase of peak impact load and duration time, whereas increasing the distance of impact position from the clamped end results in the decrease of peak impact load and the increase of duration time. The dynamic analysis software Abaqus Explicit was used to simulate the mechanical behavior of FRP confined steel tubular columns, and the numerical results agreed well with the test data. Analytical solution for lateral displacement of an equivalent cantilever beam model subjected to impact load was derived out. Comparison of analytical and experimental results shows that the maximum displacement can be precisely predicted by the present theoretical model.
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참고문헌 (36)
참고문헌 신청
Alam, M.I. / 2015 / Numerical studies on CFRP strengthened steel columns under transverse impact / Compos. Struct. 120:428~441
Alper, E. / 2011 / Piezoelectric Energy Harvesting, Appendix C: Modal Analysis of a Uniform Cantilever With a Tip Mass / John Wiley & Sons :353~356
2014 / ASTM D3039/D3039M, Standard test method for tensile properties of polymer matrixcomposite materials
Bhetwal, K.K. / 2012 / Effects of CFRP-reinforcements on the buckling behavior of thin-walled steel cylinders under compression / Int. J. Struct. Stab. Dy. 12(1):131~151
Changhai Chen / 2014 / An experimental study on the ballistic performance of FRP-steel plates completely penetrated by a hemispherical-nosed projectile / Steel and Composite Structures, An International Journal 16(3):269~288
Alper, E. / 2011 / Piezoelectric Energy Harvesting, Appendix C: Modal Analysis of a Uniform Cantilever With a Tip Mass / John Wiley & Sons :353~356
2014 / ASTM D3039/D3039M, Standard test method for tensile properties of polymer matrixcomposite materials
Bhetwal, K.K. / 2012 / Effects of CFRP-reinforcements on the buckling behavior of thin-walled steel cylinders under compression / Int. J. Struct. Stab. Dy. 12(1):131~151
Changhai Chen / 2014 / An experimental study on the ballistic performance of FRP-steel plates completely penetrated by a hemispherical-nosed projectile / Steel and Composite Structures, An International Journal 16(3):269~288
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