Geotechnical - 08 | Vertical Stress Isobar Diagram ( Example )

In this video,a method for plotting an isobar for vertical stress of 0.2Q has been explained,where Q is the surface point load by using Boussinesq's Theory. This is the link to my book called Geotechnical And Foundation Engineering https://amzn.eu/d/bBJ3G5n​