Before revision: Fabrication The steel shell of a Lally column is filled with concrete, which carries a share of the compression load, and helps prevent local buckling of the shell.
After revision: A Lally column at the northwest end of truss of the Red Bank Creek Bridge at Rawson Road, Red Bluff, TehamaFabrication The steel shell of a Lally column is filled with concrete, which carries a share of the compression load, and helps prevent local buckling of the shell.