CALCULATION OF CEMENT AND SAND QUANTITY IN MORTAR
In the building construction, we use cement mortar for civil works from the foundation up to the roof top.
Ex: Rubble Masonry, Brick Masonry, Plastering, etc.
The proportion of mixing of cement and sand will vary depend on the application of the particular work. Therefore, contractors must know what should be the mixing ratio according to the BOQ and specifications. If not required quality and strength will not be there with construction work.
Now let's go for the quantity of cement and sand calculation in mortar for 1 Cu of dry volume.
Assume that for 1 Cu of dry volume required 1.33 Cu of cement and 1.33 Cu of sand of wet volume. Which means to create a 1 Cu of a dry mortar volume is required 1.66 Cu of a wet mortar volume.
Shall take the proportion of cement and sand is 1:X
Therefore required volume of sand can be calculated from bellow equation;
Required Cement bags (50kg) can be calculated from bellow equation.
Note: Units are should be in Cu
Example:
1. Calculate the required amount of cement and sand for 3.2 Cu of mortar in 1:5 mix.
In the building construction, we use cement mortar for civil works from the foundation up to the roof top.
Ex: Rubble Masonry, Brick Masonry, Plastering, etc.
The proportion of mixing of cement and sand will vary depend on the application of the particular work. Therefore, contractors must know what should be the mixing ratio according to the BOQ and specifications. If not required quality and strength will not be there with construction work.
Now let's go for the quantity of cement and sand calculation in mortar for 1 Cu of dry volume.
Assume that for 1 Cu of dry volume required 1.33 Cu of cement and 1.33 Cu of sand of wet volume. Which means to create a 1 Cu of a dry mortar volume is required 1.66 Cu of a wet mortar volume.
Shall take the proportion of cement and sand is 1:X
Therefore required volume of sand can be calculated from bellow equation;
 |
| Sand Quantity in Cement Mortar |
Required Cement bags (50kg) can be calculated from bellow equation.
 |
| Cement Quantity in Cement mortar |
Note: Units are should be in Cu
Example:
1. Calculate the required amount of cement and sand for 3.2 Cu of mortar in 1:5 mix.
Interesting stuff........
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ReplyDeleteYeah. Thank you!
DeleteCan we use it in concrete? If yes,what is the formula for coarse aggregate?
ReplyDeleteNo, we cannot use this formula for concrete. The formula for concrete is changed depend on the grade of the concrete that you need to practice.
DeleteWhy is the formula for sand "wet sand"?
ReplyDeleteconfused.
ReplyDeletewhat is NR ?
ReplyDelete"Nr" - Numbers
DeleteI don't want to know how to build a house. I need to know what quantities of cement to sand I need to buy to cement a two brick high wall for an artificial garden
ReplyDeleteI don't want to know how to build a house. I need to know what quantities of cement to sand I need to buy to cement a two brick high wall for an artificial garden
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What the hell is this?
ReplyDeleteIn 3.2 cum - 72.85 nos of bags are used?
Means 3642.5 kg of cement required?
What are you saying man.
Take a look on this
It is for 3.2 cu
Delete3.2 * 2.83 cum
9.06 cum
the requirement of cement for 3.2 cubic meters of cement sand mortar of ratio 1:5 is 25 bags please check your calculations javed paracha
DeleteYes you are correct and I'm also correct. :) for 3.2cum it's 25 bags but for 3.2 cu it's 72.25 bags (1cu =2.83m3)
Deletehow to calculate the quantity of mortar (1:4) required in 1 cum of RRM wall.
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ReplyDeleteTypes of Mortar
Properties of Good Mortar
Function of Sand in Mortar
Uses of Mortar
Precautions Required while Using Mortar Mix
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ReplyDeleteWhy its devided by 0.0123 when finding the no of cement bag? its confuced for me.
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