Stability of Air Content in Fresh Concretes with PCE-Based Superplasticizers

Air contents of concrete are necessary for concrete durability in freeze-thaw exposure. According to the Finnish concrete code, the target value for air content varies between 4% and 5.5% for XF - exposure classes. Lately in Finland, some cases showed an elevation of air contents up to 15% in fresh...

Full description

Bibliographic Details
Main Authors: Al-Neshawy Fahim, Ojala Teemu, Punkki Jouni
Format: Article
Language:English
Published: Sciendo 2019-06-01
Series:Nordic Concrete Research
Subjects:
Online Access:https://doi.org/10.2478/ncr-2019-0093