Main reinforcement of isolated footings in long direction or short direction ? 1

[HOMIeeee]

What is the cases that the main reinforcement of isolated footing is provided in the long way and when its provided in short way?

 

[hokie66]

You need flexural reinforcement in both directions, in accordance with the demand. Usually, the long way bars have a greater demand, but mimimum flexural reinforcement often controls in one or both directions.