Frost resistance of concrete – Experience from long term field exposure

Author: Dimitrios Boubitsas, Peter Utgenannt, Luping Tang and Elisabeth Helsing
Paper category: Proceedings
Book title: Proceedings of the International RILEM Conference on Materials, Systems and Structures in Civil Engineering Conference Segment on Frost Action in Concrete
Editor(s): Marianne Tange Hasholt, Katja Fridh and R. Doug Hooton
ISBN:978-2-35158-182-7
e-ISBN:978-2-35158-183-4
Publisher:RILEM Publications SARL
Publication year:2016
Pages:32-41
Total Pages:10
Language:English

Abstract: Concrete specimens made with different binder types/combinations, including supplementary cementitious materials, have been exposed at an exposure site in a highway environment for over nineteen years. The resistance to internal and external frost damages have been regularly
evaluated by measurements of changes in volume and in ultrasonic pulse transmission time. This paper presents the results after nineteen years of exposure. The results from this study show that the existence of entrained air and the water-binder ratio are the main parameters
influencing the resistance of concrete to external salt-frost damage. Furthermore, the concrete mixes with CEM I, CEM I + 5 % silica, CEM II/A-LL, CEM II/A-S and CEM I + 30 % slag as binder with entrained air and a water/binder ratio of 0.4 or below, has good resistance to
internal and external frost damage. Results show that concrete containing large amounts of slag in the binder (CEM III/B) have the severest scaling, irrespective of if it contains entrained air or not.

Online publication:2016
Publication type:full_text
Public price (Euros):0.00