diff --git a/experiment/theory.md b/experiment/theory.md index bd5fa99..d296e93 100644 --- a/experiment/theory.md +++ b/experiment/theory.md @@ -6,23 +6,6 @@ 3. Angular aggregate is widely used in bituminous construction and flexible pavement because it provides a strong bond and good interlocking. These aggregates require more cement paste due to the presence of large number of voids. -**Formulae** - The angularity number shall be calculated by using the formula. - -From the solids: - - $ Angularity number = 67- {{100 \m W} \over {C \m Ga}} $ - -Where, - W is the mean weight of aggregate in the cylinder in grams, - C is the weight of water required to fill the cylinder in grams, - Ga is the specific gravity of aggregate. - - -From the voids: - - $ Angularity number = {{Volume of water added} \over {Total volume of cylinder}} -33 $ - - **Apparatus** - 1. Metal cylinder- Metal cylinder with one end closed, having a capacity of 3 litres. The diameter and height of the cylinder should be approximately equal. @@ -34,3 +17,21 @@ From the voids: 4. Metal Scoop, of approximately 20×12×5 cm. 5. IS Sieves from the following sets: 20 mm & 16 mm, 16 mm & 12.5 mm, 12.5 mm & 10 mm, 10 mm & 6.3 mm, 6.3 mm & 4.75 mm. + +**Formulae** - The angularity number shall be calculated by using the formula. + +From the solids: +``` + Angularity number = 67- (100*W) / (C*Ga) +``` +Where, + W is the mean weight of aggregate in the cylinder in grams, + C is the weight of water required to fill the cylinder in grams, + Ga is the specific gravity of aggregate. + + +From the voids: +``` + Angularity number = Volume of water added / (Total volume of cylinder) - 33 +``` +