Pengaruh Variasi Pemanfaatan Limbah Fly Ash Batubara Dengan Penambahan Admixt…

ABSTRACT Paving blocks are building materials made of various mixtures of hydraulic adhesive materials, cement, water, aggregates and additives that do not reduce the quality value of concrete. Various studies to develop materials that can replace cement and become additional materials for paving blocks are currently being carried out. Coal fly ash waste is one of the waste left over from coal…