Performance and durability of self-compacting mortar with recycled sand from crushed brick

The demolition of brick masonry structures and the rejected non-conform bricks are generating a great volume residues. use recycled sand from residues in production mortar could decrease amount waste going into landfills reduce consumption natural resources. This paper investigated feasibility using crushed (RBS) self-compacting (SCM). limestone was partially replaced with RBS at different levels (0, 5, 10, 25 50%). properties fresh state, mechanical behavoir, drying shrinkage durability SCM were discussed. As substitution by increased, compressive strength mortars slightly reduced age 28 days (3.3% 16.9% lower than reference , respectively for 25% 50% content); however, which is within requirement European standard EN 998-2 mortars. incorporation showed better resistance to chloride diffusion, whereas more attention should be paid carbonation sulphate attack . results indicate that it possible manufacture replacing up replacement level. • (SCM) made content investigated. It able control spread flow property 50%. as increased. diffusion. feasible substituting NS 25%.