lightweight geopolymer blocks with satisfactory strength and density could be made. The 28-day compressive strength of 1.0–16.0 MPa, density of 860–1400 kg/m3, water absorption of 10–31% and porosity
lightweight geopolymer blocks with satisfactory strength and density could be made. The 28-day compressivestrength of 1.0–16.0 MPa, density of 860–1400 kg/m3, water absorption of 10–31% and porosity