Durability Evaluation of Green-Engineered Cementitious Composite Incorporating Glass as Aggregate

Abstract

Rapid awareness about sustainability have ensued in recent times, and there has been a remarkable advancement by the construction industry to incorporate different waste materials into cementitious composites. Recent studies by the authors showed that recycled glass (GL) in the form of beads used as aggregate in engineered cementitious composites (ECC) is beneficial to its mechanical properties. However, with different durability issues related to the use of glass in cementitious composites, evaluating the durability properties of ECC mixtures incorporating glass as aggregate is paramount. Therefore, this study was carried out to evaluate the properties of cementitious composites related to its performance in various environments. The permeability response alongside the resistance to alkali-silica reaction (ASR) of different ECC mixtures incorporating different proportions of GL was evaluated. In addition, microstructural observations were made to understand the microstructural properties of the mixtures evaluated. The results from this study show that the use of glass as aggregates in ECC enhanced the durability properties of the composites.