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Ultra-Durable Concretes: Structure at the Micro- and Nanoscale

Published online by Cambridge University Press:  31 January 2011

Christian P. Vernet
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Abstract

Ultrahigh-performance concretes (UHPCs) are obtained by optimizing several technologies: minimizing the amount of water added, using superplasticizers and a wide particle size distribution, and packing the particles to improve fluidity with minimized water additions and to optimize load-carrying capacity. Fibers can be incorporated to increase ductility, leading to ultrahigh-performance fiber-reinforced concretes (UHPFRCs). Such enhanced concretes can approach the compressive strength of steel, with a remarkable improvement in durability. UHPCs offer new solutions for innovative construction, especially in aggressive environments.

Keywords

durabilitymicrostructureultrahigh-performance concrete
Type
Research Article
Information
MRS Bulletin , Volume 29 , Issue 5: Construction Materials: From Innovation to Conservation , May 2004 , pp. 324 - 327
Copyright
Copyright © Materials Research Society 2004

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