In this video we will be learning about various kinds of footings used in a building construction. Foundations are broadly divided in two categories. First is Shallow Foundations and second is Deep Foundations. Under shallow foundations we will see isolated footings, sloped footings, step footing, combined footings, trapezoidal footings, strap footings, eccentric footings, strip footings, wall footings, raft footings and mat footings. Under deep foundations we will see pile foundations and Raft with piles.
Foundations are a part of Sub structure which are below ground level and transfer all kinds of loads on the structure, to the ground. Various factors play a role in selecting the suitable type of Foundation for the structure such as, type of structure, condition of the soil at the location of construction, other surrounding structures, water table below, property limits and many more depending on site conditions.
Once the foundations are laid for a structure, it is very difficult or impossible to repair or inspect it for structural damages. Hence it is very important to select and design appropriate foundations.
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