Wrapping an Arch in Concrete


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Title: Wrapping an Arch in Concrete

Author(s): Tetsuo Kawamura, Yasuhiro Fujimoto, and William D. Palmer, Jr.

Publication: Concrete International

Volume: 12

Issue: 11

Appears on pages(s): 26-31

Keywords: arch bridges; bridges (structures); concrete construction; composite construction (concrete and steel); falsework; pumped concrete; formwork (construction); pumped concrete; reinforced concrete; reinforcing steels; structural design; Construction

Date: 11/1/1990

Describes the Concrete Lapping with Pre-erected Composite Arch Method of building concrete arch bridges. The method involves constructing halves of tubular steel arches on each side of a river, joining them together in the center, and filling them with concrete to form a stay-in-place composite arch to support the formwork for the concrete bridge arch. Two Japanese bridges built by this method are described.