Аутори:
1. Александар Савић, Građevinski fakultet, Beograd, Serbia
2. Гордана Броћета, Универзитет у Бањој Луци, Архитектонско-грађевинско-геодетски факултет, Republic of Srpska, Bosnia and Herzegovina
3. Марина Ашкрабић, Građevinski fakultet, Beograd, Serbia
4. Александар Гајић, Građevinski fakultet, Beograd, Serbia

Апстракт:
The paper presents the results of experimental study of Self-Compacting Concrete in fresh and hardened state. Five mixtures were made, in which the content of the following components was varied: aggregates, fly-ash in as-delivered state and the total amount of the paste (a mixture of water, mineral additive and a binder). Fresh concrete tests included determining the following properties: bulk density, slump-flow, V-funnel time, height ratio of the L-box, as well as ambient temperature measurement. In the hardened state the tested properties included: hardened concrete density, compressive strength, flexural strength, ultrasonic pulse velocity and water penetration depth. Tests have shown that the increase in the content of the paste can improve the workability, as well as reduce the negative effect of the larger fly ash particles presence on the properties of the fresh concrete.

Кључне речи:
concrete,physical,and mechanical properties,fly ash,aggregate

Тематска област:
СИМПОЗИЈУМ А - Наука материје, кондензоване материје и физикa чврстог стања

Датум пријаве сажетка:
02.08.2018.

Конференцијa:
Contemporary Materials 2018 - Савремени Материјали