Factor of Safety for Soil Bearing Capacity |
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To find out the safe bearing capacity for any type of soil we must
needed factor of safety. The
value of FOS for bearing capacity differs by the soil type and condition,
method of exploration, level of uncertainty in soil, importance of structure
and consequences of failure, and design load occurrence.
This factor is helpful to find out the
allowable bearing capacity. It is used to design the footing. Mostly used FOS
as 3 for any type of footing. It may be reduced for raft or mat footing. It
may be increased for isolated spread footings.
Bearing capacity is the major factor
influencing in structural stability and settlement. So we cannot take much
risk in allowable bearing capacity that’s why we use higher percentage/value
of factor of safety compare to other structural elements like Beam, Slab,
Coolum, etc…
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Tuesday, 30 July 2019
Factor of Safety for Soil Bearing Capacity
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