Скачать или смотреть What is 1.54 in concrete | example solved | Dry volume and wet volume of concrete | Civil tutor

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https://clpsheldon.page.link/x3kb In this tutorial i have explained briefly what is 1.54 in concrete while analyzing the dry volume and wet volume of concrete

This video is about the conversion factor 1.54 used to calculate the dry volume of concrete mixture. i.e, to convert wet volume of concrete to dry volume, we multiply the wet volume by a factor 1.54.

The main concept is that, on addition of water the particles of dry concrete mixture slide over one another due to the loss of friction between particles as the water acts as a lubricant between the particles resulting in readjustment of particles in a closely packed pattern reducing the volume occupied by the voids and hence reducing the volume of concrete mass.

The percentage of voids due to fine aggregate present in concrete is 20% and the percentage of voids due to course aggregate is 32 to 34% summing upto a total of 52 to 54%. Therefore we need an extra 54% dry concrete mixture for casting any wet volume of concrete. 

Moreover it has been seen that the dry volume of concrete required to obtain 1m³ of wet mass is 1.54m³ of dry concrete. This is where we get the conversion factor. 

So to obtain 1m³ of wet concrete we need to have 1.54m³ of dry concrete mixture available. 

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Topics discussed in this tutorial;
1.54 in concrete
Dry volume and wet volume of concrete
What is 1.54 in the dry volume of cement
1.54 dry volume
Exampled solved based on 1.54

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