Crack Resistant Concrete Material for Transportation Construction

Topics:
Civil and Environmental
Tags:
Transportation
Source:
University of Michigan

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Overview: Most transportation infrastructures are exposed to a combination of mechanical and environmental loads. Normal concrete is brittle and tends to crack, resulting in a lack of durability and frequent repair needs. This paper describes an ultra ductile cementitious composite which is highly crack resistant, with a tensile strain capacity over three hundred times that of normal concrete. Apart from the unique tensile properties, the durability performance of this material subjected to loadings typical to transportation construction is also presented. It is shown that the material is highly durable under accelerated weathering tests, restrained drying shrinkage tests, freeze-thaw exposures, as well as under fatigue and wheel loads.

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Format: PDF | Size: 281KB | Date: Aug 2003 | Pages: 20

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