Addition of bottom ash from biomass in calcium silicate masonry units for use as construction material with thermal insulating properties

The optimal values are those containing a 1:1 ratio of SiO2/CaO, with compressive strength ranging from 25.21 MPa (CF/HC) to 61.11 MPa (CF/CM) and thermal conductivity from 0.564 W/m K (CF/OC) to 0.773 W/m K (CF/HC). The initial results obtained make it possible in principle to obtain calcium-silicate samples with low thermal conductivity according EN standard 771-2:2011.