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 Equipment8d
Gantry Cranes Ease Bridge Building Conundrum
They’re so big they had to be assembled on site. They are called gantry cranes – the kinds of machines usually seen at rail and shipping yards. They can lift a shipping container. The two gantry ...