Utilization of asphalt waste Dust and fly ash for sustainable mortar Jiratchaya Ayawanna, Namthip Kingnoi, Pimchanok Sertsoongnern and Salisa Chaiyaput E3S Web Conf., 610 (2025) 04006 Published online: 23 January 2025 DOI: 10.1051/e3sconf/202561004006