Masonry mortars are specified as different grades depending upon their minimum compressive strength, when tested at an age of 28 days. Different grades of cement mortar and their mix proportions are given below.
Different Grades of Cement Mortar
| Grade Name | Mortar Mix (by Loose Volume) | Compressive Strength at 28 days (in N/mm2) | |
| Cement | Sand | ||
| MM 0.7 | 1 | 8 | 0.7 to 1.5 |
| MM 1.5 | 1 | 7 | 1.5 to 2.0 |
| MM 3 | 1 | 6 | 3.0 to 5.0 |
| MM 5 | 1 | 5 | 5.0 to 7.5 |
| MM 7.5 | 1 | 4 | 7.5 to above |
Hello Sir, Is there any specific code book for finding out the properties of an earth fill?
pl.specify
Dear sir , I wanna know all the Mortar strength grade , can you please send me related info.thanks
What should be the water content ?