Prefabricated piers and column structures and their construction methods

摘要

The present invention relates to a pillar and column structure that can be quickly and securely connected to a bridge, a pillar installed on the foundation of a pillar and a pillar that is divided into a base portion, a pillar portion, The connecting part of each member takes the shape of convex and concave (third degree) in top and bottom and can transfer the bending moment, axial force and shear force safely. 15), (16), (17), (18), and (19).