Abstract
In this study, methods for estimating the long-term Ca leaching from mortar and the accompanying deterioration of mortar through Ca leaching were proposed. First, using a combination of electro-chemical accelerated test and diffusion test, a method to estimate the long-term leaching of Ca was established. Second, the deterioration of mortar upon leaching of Ca was experimentally investigated. From this, a method for estimating the long-tern deterioration of mortar was established. And lastly, the deterioration of mortar due to Ca leaching was compared to testing a 30-year old real structure. It was shown that the Ca leaching from mortar and the deterioration of mortar could be estimated up to the age of 30-40 years.
