玻璃钢/复合材料Issue(6)：39-45,7.
钢板-GFRP组合桥面板受弯性能试验与理论分析
EXPERIMENTAL AND THEORETICAL ANALYSIS ON FLEXURAL BEHAVIOR OF STEEL PLATE-GFRP COMPOSITE BRIDGE DECK
摘要
Abstract
Based on the glass fiber reinforced polymer (GFRP),which has the advantages of light weight,high strength,corrosion resistance,a new type of composite bridge deck was puts forward.GFRP plates were sticked on the surface of steel deck plate and they were took as orthotropic steel bridge deck waterproofing and anti-corrosion layer,which plays a critical role of enhancing the stiffness of steel plate.On the completion of a test for the material performance of composite bridge deck,the four-point bending test for the composite bridge deck under the positive and negative bending moment was implemented.The load-deformation curve and load-strain curve of the specimens were obtained from the test.The stiffness,the mid-span deformation and stress calculation formulation of steel plateGFRP composite bridge deck were deduced according to conversion section theory.In addition,making a comparison between theoretical values and the experimental values,deformation and stress analysis of orthotropic steel plate by using finite element software under four pavement models,it is concluded that GFRP plate sticked on the surface of steel plate can effectively improve bearing capacity and stiffness of steel plates,reduce steel surface stress and the risk of cracking.Theoretical value of steel plate-GFRP composite bridge deck bending performance is consistent with the experimental value well.关键词
GFRP板/组合桥面板/弯曲试验/换算截面法Key words
GFRP plate/composite bridge deck/bending test/conversion section theory分类
通用工业技术引用本文复制引用
华鹏,方海,刘伟庆,徐欣..钢板-GFRP组合桥面板受弯性能试验与理论分析[J].玻璃钢/复合材料,2017,(6):39-45,7.基金项目
国家自然科学基金重点项目(51238003) （51238003）
国家自然科学基金面上项目(51578285) （51578285）
江苏省自然科学基金(BK20161545) （BK20161545）
