Journal of Guangdong University of Technology ›› 2007, Vol. 24 ›› Issue (03): 88-91.

• Comprehensive Studies • Previous Articles     Next Articles

Research into the Deteriorations of Frame Arch Bridge Slabs with a Slightly Curved Bottom

  

  1. (1.Faculty of Construction,Guangdong University of Technology,Guangzhou 510006,China;2.Guangzhou Highway Survey and Design Institute,Guangzhou 510510,China)
  • Online:2007-08-10 Published:2007-08-10

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Abstract: The common deteriorations of slabs with a slightly curved bottom are introduced.By analyzing local finite element stress,deteriorations of slabs are considered to be caused by the lack of slab thickness and arch-rib lateral stiffness.The methods for preventing further deteriorating and the maintaining strategies are proposed,which are validified by the finite element analysis.

Key words: slab with slightly curved bottom； deterioration； stress analysis；

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