Types of Foundations
Building foundations
are classified into Shallow Foundations and Deep Foundations.
The following are different
types of foundations used in the construction field.
1-
Shallow
Foundations
a. Isolating Spread Footing (Individual Footing)
b. Combined Footing
c. Strip Footing or Wall Footing
d. Raft or Mat Footing
2-
Deep
Foundations
a. Pile Foundation
b. Pier Foundation
c. Drilled Shafts or caissons
When is Raft or Mat Foundations used?
The use of raft or mat
foundation is for columns and walls foundations where the loads from the
structure on columns and walls are very high, Raft foundations are used to
prevent differential settlement of individual footings.
What is the difference between pile foundation and
drilled shafts?
Drilled shafts have an
action similar to pile foundations but are high-capacity cast-in-situ
foundations. It can transfer column loads larger than pile foundations, it is
used where the depth of hard strata below ground level is located within 10m to
100m.
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