Effect of pore structure on the performance of photocatalytic lightweight lime-based finishing mortar

摘要

The present paper aims to evaluate the performance of photocatalytic lightweight indoor hydraulic lime based finishing mortars, with Portland cement-based finishing mortar as a reference. Two different types of aggregates, expanded glass and expanded silicate, are utilized to achieve the lightweight character and their contributions are investigated. The pore structure of the developed mortars is determined by mercury intrusion porosimetry (MIP) and BET methods. The mechanical strength, drying shrinkage, thermal physical properties and air pollutant removal ability of the mortars are investigated and the effects of pore structure on these properties are evaluated.