How to calculate cement sand and aggregate quantity in m15
What is m15 grade of concrete?:in m15 grade of concrete M stand for mix and numerical figure 15 is stand for comprehensive strength of concrete which is gain in 28 days of curing time. m15 concrete ratio in 1 m3: m15 concrete ratio in 1 cubic metre is mixture of cement, sand and aggregate by adding water. cement sand amp; aggregate ratio in m15 grade 1m3 concrete is 1 : 2 :4 in which one part