The pole barn building plan shows both. The first is to notch each pole 8- to 12- inches from the top, then set the beams into these notches and bolt them together. This is tricky, but it saves ...

Learn here how to build a pole barn cheap and on a budget. ... so design in 8′ sections, especially if you plan to roof it or add floors or siding using 4′ x 8′ sheets of plywood, ...