What Is 1.54 In Concrete Calculation?
In concrete calculation, we always multiply Wet volume with 1.54 to get dry volume. But do you know what is 1.54 or where this 1.54 came from? If You don’t know, no problem. In this article, I will explain what is 1.54 while calculating the quantity of cement, sand, aggregates for concrete.
let us take a concrete cube.
The length of the concrete cube = 1 m
The width of the concrete cube = 1 m
The height of the concrete cube = 1 m
Volume of concrete cube = length x Width x Height = 1 x 1 x 1 = 1 m³ (Wet volume)
When we convert this wet volume into dry volume, the volume is increased by 54% of wet volume.
∴ Dry volume = Wet volume + 54% of Wet volume
= 1 + (54/100) x 1 =1 + 0.54 = 1.54
To convert the wet volume of 1 m³ concrete into dry volume = 1.54
To convert the wet volume of “n” m³ concrete into dry volume = 1.54 x n
Where n = Wet volume of concrete.
Example:
The length of the concrete cube = 4 m
The width of the concrete cube = 3 m
The height of the concrete cube = 2 m
Wet volume = 4 x 3 x 2 = 24 m³
∴ Dry volume = ( Wet volume + 54% of wet volume)
= 24 + {(54/100) x 24}
= 36.96 m³
Note:
Always remember in the concrete calculation, we get wet volume first, to convert wet volume into dry volume, multiply wet volume with 1.54.
How did the volume of dry concrete come to 54%?
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Is dry volume unit cubic meter or kg??
Please teach more of this subjects. I interested.
Dry volume means the volume of concrete after dried. (After casting) and wet volume of concrete means before casting ?
but you have not answered the question, what is 1.54. where this 1.54 came from ?
Thank you so much for the clarity but can I continue the calculation with wet volume?