These are necessary once the concrete bearing by itself is just not adequate to transfer loading in the column towards the footing. Let’s summarize the key distinctions concerning dowel bars and tie bars during the context of concrete construction: Typically, 4 bars are used in rectangular columns and 6 bars https://kylerwgmk92457.spintheblog.com/28198380/detailed-notes-on-dowel-bars-in-footing