INTRODUCTION :
There are many types of foundation.A strip footing provided for a load bearing wall.a strip footing is also provided for a row of columns which are so closely spaced that their spread footings overlap or nearly touch each other.in such a case it is more economical to provide strip footing than to provide a number of spread footings in one line.it is also known as continuous footing. DESIGN OF STRIP FOOTINGS:
Plain cement concrete footings are provided when the loads are light and the soil is good.If the loads are heavy and the soil conditions are not favorable,plain cement concrete footings are not economical.Reinforcement cement concrete footings are more suitable in such cases.
FOOTING SLAB BEHAVIOUR
The soil’s reaction, loads the footing slab (the inverted T-beam’s flange) in an upward direction. This causes deformations at the lower surface of the footing which are carried by the reinforcement.
SOME PICTURE ON STRIP FOUNDATION STEP BY STEP
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