Thermo-mechanical properties of concrete containing high-volume mineral admixtures

This paper reports the results of a study conducted to evaluate the influence of high-volume class C fly ash (FA), blast furnace slag (BFS) and both FA+BFS on the thermal conductivity (TC), compressive strength, water absorption and density of concrete. TC decreased with the increase of FA, BFS and...

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Veröffentlicht in:	Building and environment 2007, Vol.42 (1), p.349-354
Hauptverfasser:	Demirboga, Ramazan, Turkmen, Ibrahim, Karakoc, Mehmet Burhan
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Admixtures for concrete, mortar and grouts Applied sciences Buildings. Public works Cement Compressive strength Concrete Concretes. Mortars. Grouts Exact sciences and technology Fly ash Furnaces General (composition, classification, performance, standards, patents, etc.) High-volume blast furnace slag High-volume fly ash Materials Minerals Q1 Thermal conductivity
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Zusammenfassung:	This paper reports the results of a study conducted to evaluate the influence of high-volume class C fly ash (FA), blast furnace slag (BFS) and both FA+BFS on the thermal conductivity (TC), compressive strength, water absorption and density of concrete. TC decreased with the increase of FA, BFS and FA+BFS as replacement for Portland cement. The reductions in TC due to FA, BFS and FA+BFS were, respectively, up to 39%, 18% and 31%. The addition of FA, BFS and FA+BFS in the concrete had a decreasing effect on TC. Their addition also decreased compressive strength as a function of replacement percent. However, this reduction in compressive strength decreased with increasing curing period.
ISSN:	0360-1323 1873-684X
DOI:	10.1016/j.buildenv.2005.08.027