The effect of high temperature on the compressive strength of mortars

被引：47
|
作者：
Yazici, Semsi [1 ]
Sezer, Gozde Inan [1 ]
Sengul, Hakan [1 ]
机构：
[1] Ege Univ, Dept Civil Engn, TR-35100 Izmir, Turkey
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2012年 / 35卷
关键词：
Elevated temperature; Fly ash; Silica fume; Pumice; Compressive strength; ELEVATED-TEMPERATURES; CONCRETE; PERFORMANCE; PFA;
D O I：
10.1016/j.conbuildmat.2012.02.082
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this study, the effect of elevated temperature on the compressive strength of mortars containing fly ash, silica fume and pumice was investigated. Thirteen mortar mixtures were produced by replacing 0%, 5%, 10%, 15% and 20% of cement with a fly ash, silica fume and pumice. Totally, 3900 cube (50 x 50 x 50 mm) mortar specimens were prepared from these mortar mixtures and cured at 7, 28 and 90 days. After standard curing period. specimens were dried in a room temperature for 7 days and then exposed to temperature of 20, 150, 300, 450, 600 and 750 degrees C for 1 h in ceramic furnace. Afterwards, the compressive strengths of the specimens were determined. It was concluded that, compressive strengths of mortars containing pozzolan were less affected high temperature than that of control mortars. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：97 / 100
页数：4
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