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Finite Element Representation of Approach Slabs

by Amde M. Wolde-Tinsae, Univ of Maryland, College Park, United States,
S. Abdol Chini, Univ of Maryland, College Park, United States,
L. Moumena, Univ of Maryland, College Park, United States,



Document Type: Proceeding Paper

Part of: Computing in Civil and Building Engineering

Abstract:

Approaches to bridges are designed to provide a smooth and safe transition from the highway pavement to the bridge deck and back to the highway pavement. Generally this transition area, regardless of pavement type, has been the cause of poor riding quality. Pavement irregularities adjacent to bridges are unpleasant, unsafe, and destructive to vehicles and to the bridge structure. In addition, these surface faults require costly maintenance that usually involves mudjacking or patching the approach pavement. One method that has been used in the attempt to lessen rough riding conditions near bridges is the construction of a reinforced concrete approach slab between the bridge and highway pavement. A survey of state highway agencies showed that most highway agencies use some from of approach slab in design and construction of highway structures.

Subject Headings: Highway bridges | Infrastructure construction | Highway and road design | Slabs | Highway and road structures | Bridge design | Finite element method

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