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TITLE : SUBSTITUTION OF QUARRY DUST TO SAND FOR MORTAR IN BRICK MASONRY WORKS  
AUTHORS : Appukutty P      Murugesan R            
DOI : http://dx.doi.org/10.18000/ijodam.70047  
ABSTRACT :

Substitution of crusher dust for sand in cement mortar for brick masonry is experimented with brick masonry prisms cast in different ratios of 1:8, 1:6, 1:5 and 1:4. Bricks with basic compressive strength above 3.5 N/MM2 and 7.5 N/MM2 were used to cast brick masonry prisms. Three types of fine aggregates, i.e. Cauvery river sand, Crusher dust as is available form stone crushers and crusher dust in which fines below 150 microns removed were used for mortar. Three samples of brick masonry prisms in each mortar ratio were built, cured for 28 days and tested for the basic compressive strength. The results of 12 prisms tested in each fine aggregate with different mortar ratios are compared with allowable compressive strength requirements of brick masonry specified by IS 1905-1989. The investigation indicates that the crusher dust can replace natural sand completely in masonry construction with higher strength and cheaper cost.

Key words: Crusher Dust, Brick masonry prisms, Compressive strength

 
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