Concrete Foundation Without Rebar

http://keeganfyld985.unblog.fr/2019/06/10/sage-advice-about-bored-piers-sizes-from-a-five-year-old/

The problem with concrete, nevertheless, is that it does not fare too well if it is drawn in an outside direction. Strengthened steel is then shaped into square forms, bonded unto vertical bars and after that placed