Properties of Foamed Mortar Prepared with Granulated Blast-Furnace Slag
AbstractFoamed mortar with a density of 1300 kg/m3 was prepared. In the initial laboratory trials, water-to-cement (w/c) ratios ranging from 0.54 to 0.64 were tested to determine the optimal value for foamed mortar corresponding to the highest compressive strength without compromising its fresh state properties. With the obtained optimal w/c ratio of 0.56, two types of foamed mortar were prepared, namely cement-foamed mortar (CFM) and slag-foamed mortar (SFM, 50% cement was replaced by slag weight). Four different curing conditions were adopted for both types of foamed mortar to assess their compressive strength, ultrasonic pulse velocity (UPV) and thermal insulation performance. The test results indicated that utilizing 50% of slag as cement replacement in the production of foamed mortar improved the compressive strength, UPV and thermal insulation properties. Additionally, the initial water curing of seven days gained higher compressive strength and increased UPV values as compared to the air cured and natural weather curing samples. However, this positive effect was more pronounced in the case of compressive strength than in the UPV and thermal conductivity of foamed mortar. View Full-Text
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Zhao, X.; Lim, S.-K.; Tan, C.-S.; Li, B.; Ling, T.-C.; Huang, R.; Wang, Q. Properties of Foamed Mortar Prepared with Granulated Blast-Furnace Slag. Materials 2015, 8, 462-473.
Zhao X, Lim S-K, Tan C-S, Li B, Ling T-C, Huang R, Wang Q. Properties of Foamed Mortar Prepared with Granulated Blast-Furnace Slag. Materials. 2015; 8(2):462-473.Chicago/Turabian Style
Zhao, Xiao; Lim, Siong-Kang; Tan, Cher-Siang; Li, Bo; Ling, Tung-Chai; Huang, Runqiu; Wang, Qingyuan. 2015. "Properties of Foamed Mortar Prepared with Granulated Blast-Furnace Slag." Materials 8, no. 2: 462-473.