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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Norway Bridges Using High Performance Lightweight Aggregate Concrete
Author(s): K. S. Harmon
Publication: Special Publication
Appears on pages(s): 189-198
Keywords: aggregate; air content; compressive strength; concrete; density; lightweight aggregate; lightweight concrete; mixture proportion; modulus of elasticity; normalweight concrete; quality control; ready-mixed concrete; workability
Abstract:This paper outlines the testing program developed for the Raftsundet Bridge, the first bridge in Norway that utilized pumping for placement of lightweight concrete. It reports the results from parallel testing of both normalweight and lightweight concrete performed during construction of this bridge. This paper also presents a discussion of the economics of using high performance lightweight concrete on the Rugsund Bridge. It also describes the Sundoy Bridge, the second bridge in Norway to utilize pumping for lightweight concrete placement. These projects confirm that high strength lightweight concrete is an economical, efficient construction material for long span bridges. While lightweight concrete may cost more per cubic yard than normalweight concrete, the structure may cost less as a result of reduced dead weight and lower foundation costs (1).
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