The research presented in this paper addresses the problems associated with interactions between bridge abutments and bridge decks. Theoretical analysis of bridge abutment and deck design provides background knowledge of reactions that should be anticipated and accounted for. Case studies of bridges experiencing movements and rotations show that practical results often deviate from theoretical expectations. The research aims to develop a greater understanding of abutment stability from both a design and maintenance point of view. This paper includes an in depth case study of the Kanahooka Road Overbridge. From the theoretical and practical knowledge gathered, design options were generated for treatment of abutment movement.
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