Concrete Arch Bridges Using Composite Techniquesby Shoji Ikeda, Yokohama Natl Univ, Yokohama, Japan,
Tetsuo Kawamura, Yokohama Natl Univ, Yokohama, Japan,
Nobuhide Wada, Yokohama Natl Univ, Yokohama, Japan,
Abstract: Use of composite structure is an advantageous method to construct concrete arch bridges. This paper reports two successful examples of concrete arch bridges of composite construction using characteristic erection methods, and looks into how the characteristics of composite structure were utilized in these bridges. The two bridges were constructed using different construction methods. One bridge was constructed by erecting trussed cantilevers, closing the arch with steel girders and covering the arch with concrete. The other was constructed by tilting down steel tubes to form a steel arch rib and filling and covering the arch with concrete.
Subject Headings: Concrete bridges | Arch bridges | Infrastructure construction | Composite bridges | Cantilever bridges | Girder bridges | Steel bridges | Truss bridges
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