MECHANICAL PROPERTIES OF HIGH-PERFORMANCE MORTAR BLENDED WITH SILICA FUME

Civil Engineering

Mortar is the most important engineering material and the addition of some other mineral and chemical admixtures may change the properties of mortar. High performance mortar at present used extensively in construction industry. The mineral admixtures play a vital role to produce the High Performance Mortar. Silica fume is one of the mineral admixtures and is very fine non crystalline material. The effect of silica fume on the mechanical properties of ordinary Portland cement mortar was investigated in this report. The Ordinary Portland cement was partially replaced with silica fume at different percentages such as 1, 3 & 5 % of the total weight of cement was added to each sample. The results showed that after 7 days and 28 days of curing, the compressive strength and the tensile strength of the cement mortars with silica fume where higher than the conventional cement mortar.

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