The grade of concrete for various concrete proportions are
proportion of M30 Grade of concreete is 1 :.5 :1 .
What is mixing ratio for concrete grade 30
The proportion of the bed mortar should be 4:1 for the sand : cement.
The grade of the concrete means the concrete compression resistance after 28 days. It is done in Newtons per square millimetre. A concrete of Grade C30 means that the concrete will have a compresion resistance (withstanding a compression) of 30 N/mm2 per square millimetre in 28 days.
we use M30 grade concrete commercial slabs like shopping malls . college buildings
1:1:2
proportion of M30 Grade of concreete is 1 :.5 :1 .
1:1:2 Hope it helps
What is mixing ratio for concrete grade 30
need concrete cement block 10m*1m*.60m for flag fixing on ground
The mix proportion for M40 concrete is 1:1.65:2.92W/C ratio = 0.4The design calculation is as per IS mix design
The proportion of the bed mortar should be 4:1 for the sand : cement.
Full basement is the grade of concrete that is laid for foundation.
1:1:2
1:4:8
10-90% . More information get at http://www.ukfreewell.com.ua
M 15 grade proportion - 1:2:4 (cement:FA:CA)Cement required in kgs - 325 kg per cu.mNo. of bags required - 6.50