The aggregates are classified based on shape, size, density, Geographical Origin. We have discussed the same in detail on the classification of aggregates. Based on their transportation and origin, they are classified as transported soil and residual soil. What is transported soil and residual soil? The deposited soil transported from…

The minimum depth of shallow foundation formula has invented by Rankine. We shall see some of the building was constructed by the Shallow foundation (Isolated footing, Combined footing or RR Masonry) & some other deep foundation (Mat foundation, Pile foundation) Why?.