What is Shrinkage in cement?
The term ‘drying shrinkage’ can be defined as the decrease in length of the cement test specimen, where the decrease is caused by any factor other than externally applied forces under stated environmental conditions. The terms include the net effect of a variety of phenomena, including hydration of the cement, tending to bring about both increase and decrease in length during the period in which the cement test specimens are stored under stated environmental conditions.