DOI: 10.36347/sjet.2018.v06i02.007

Pages: 83-86

The influence of the temperature of the environment to the properties of fresh mortar has been investigated. Compressed air machine has been used. The result shows that the temperature of the environment has certain effects on the retention of the mortar in fresh state. At low temperature (below 20°C), the hydration rate remains moderate. This is why this value is chosen for all rheology tests. With the same percentage of coarse sand, the mass loss at high temperature is higher. For high temperatures, the high hydration rate leads to a rapid formation of hydrates, resulting in an increase in the friction between particles causing a rise in the values of τ0 and μ.