advantages & disadvantages of using crusher dust instead of
sand in r.c.c work

Answer Posted / islam sami

the question should give us more details like FM of this dust ,absorption and material finner than 200 micron but any way
in case of FM is 2.5 % as example
the advantage using low water cement ratio and less percentage of chemical admixture at concrete mix
hing durability concrete performance specially dry shrinkage
the disadvantage of using crushed rock or gravel are
bleeding of concrete cause of less absorption
harsh concrete due to surface texture of it's particle
high air content of the concrete
lowest strengths at early ages
the question is wide cases so it maybe have a lot of answers

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