From 24 ft above grade to 60 ft below it, the $88.4-million Ford Center variously incorporates multiple concrete systems that include pan joists, beams, girders, shear walls, columns, slab on grade, ...
Add Yahoo as a preferred source to see more of our stories on Google. A crane lifts a 36-foot-long fiberglass cage into position, at left, as sand pours out of the auger cast drill and is scooped away ...