Journal of
Faculty of Civil Engineering


FACULTY JOURNALS
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CONFERENCE PROCEEDINGS
5th INTERNATIONAL CONFERENCE
CONTEMPORARY ACHIEVEMENTS IN CIVIL ENGINEERING 2017 , 2017.y., pp. 467-472


THE INFLUENCE OF AIR ENTRAINING ADMIXTURES ON CONCRETE PROPERTIES
 
DOI: 666.972.168
UDC: 10.14415/konferencijaGFS2017.049
CC-BY-SA 4.0 license
Author : Janković, Ksenija; Stojanović, Marko; Bojović, Dragan; Lončar, Ljiljana; Antić, Lana
 
 Summary:
 Concrete exposed to frost and de-icing salts have to be protected by aeration. This is achieved by adding chemical additives to draw air into the fresh concrete. These concretes have resulted in a decrease of compressive strength of concrete by 5% for each percent of entrained air in comparison to the conventional concrete. Three concrete mixtures with different types of air entraining admixtures was done were made. A testing of properties of fresh concrete and the influence of different types of air entraining admixtures to fresh concrete was conducted. The results obtained in the fresh concrete as well as the compressive strength at the age of 3, 7 and 28 days are shown.
 
 Keywords:
 air entraining admixtures, fresh concrete, compressive strength