Giant cranes solve tricky engineering problem on I-481 bridge construction
The two gantry cranes on I-481 are an engineering solution to a tricky construction dilemma. Picture two existing 2,100-foot ...
Construction Equipment14d
Gantry Cranes Ease Bridge Building Conundrum
Enter the gantry cranes. These cranes have wheels taller than a person. Two cranes will roll over the lanes with one wheel on each existing bridge. In their giant hooks, they will carry the heavy ...