Foundations
Foundations Importance of Foundation to Buildings The foundation •Provides Anchorage for the building •carries the load of the building and better transmits it to the soil of better bearing capacity. •provides a wide surface area to spread the load evenly across soil that can support the load. Types of Foundation Soil The choice of foundation depends among other factors on the type of soil in which the foundation is to be constructed. •Rock - This is a very hard foundation soil, this kind of soil has a high load bearing capacity. It can support strip foundation for a load bearing wall and a pad foundation for isolated loads as those transmitted by columns and similar components. •Clay - Stiff; suitable for pad foundation and strip foundation. The depth of the foundation should be taken to a depth where it will not be affected by swelling and shrinkage which sometimes occurs in clay soil. • Gravel and Sand - Compact; suitable for pad foundation and strip foundations. • S