in setting of cement the  minimum weight to break the slab   is high shows   what about the composition   1 . strength  2. weakness  
plz ans it fast

Dear Student,

The ratio of cement:sand:gravel have to be 1:2:3, for example in 100 kg concrete mixture 10 kg is cement, 20 kg is sand, 30 kg gravel and needed quantity of water is added to made concrete mixture. For this mixture made slab minimum weight to break is 220 pounds and if the slab is reinforced with steel will withstand 900 lbs of weight per square inch.

Note: The question given is general and answered based on it, if more details needed kindly specify the requirements clearly for example slab made for construction, piping etc..,


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