Durability of an Ultrahigh-Performance Concrete

by Benjamin Graybeal, (corresponding author), Federal Highway Administration, Turner-Fairbank Highway Res. Ctr., 6300 Georgetown Pike, McLean, VA 22101, benjamin.graybeal@fhwa.dot.gov,
Jussara Tanesi, Global, Inc., Turner-Fairbank Highway Res. Ctr., 6300 Georgetown Pike, McLean, VA 22101,

Serial Information: Issue 10, Pg. 848-854

Document Type: Journal Paper

Abstract: Significant recent advancements in cement-based, fiber-reinforced composite materials have stretched the bounds of concrete into the realm of ultrahigh-performance concrete (UHPC). The durability of a commercially available UHPC was independently evaluated through six standardized durability tests and the results are reported herein. Regardless of the curing treatment applied, this concrete exhibits significantly enhanced durability properties as compared to normal and high performance concretes. The concrete exhibited minimal damage after being subjected to two times the normal number of ASTM C 666 freeze – thaw cycles. It was innocuous to ASTM C 1260 ASR deterioration, to ASTM C 672 scaling deterioration, and to AASHTO T259 chloride penetration. The ASTM C 1202 Electrical Indication of Concrete's Ability to Resist Chloride Ion Penetration test result was negligible if any steam-based curing treatment was applied, and was very low otherwise. Steam-based curing treatments significantly enhanced the ASTM C 944 abrasion resistance. The curing treatment applied to this concrete can affect the durability properties, partly due to steam treatment increasing the degree of hydration of the concrete, improving its microstructure, and decreasing its permeability.

Subject Headings: Material durability | Concrete | Curing | High-performance concrete | Deterioration | Chloride | Composite materials | Freeze and thaw |

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