Abstract
The present study was undertaken to elucidate the influence of zeolite and metakaolin addition on the compressive strength, porosity, shrinkage, and frost resistance of lime mortars cured at different humidity conditions with or without access of carbon dioxide in a period up to 1year. The changes in mineral composition of the binders were determined by X-ray diffraction and thermogravimetric analyses. It was found that pozzolans reduced shrinkage of fresh lime mortars. These admixtures positively affected compressive strength development and frost resistance of lime–pozzolan mortars when they were cured in the environment with the relative humidity of 100%.
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