Ahmedabad: In a one-of-its-kind operation, one of the heaviest precast prestressed portal beams (girders), weighing approximately 1,360 metric tonnes, has been launched over the Ahmedabad–Vadodara railway line in Maninagar for the Mumbai–Ahmedabad Bullet Train project, the National High Speed Rail Corporation Limited (NHSRCL) said on Wednesday.
The portal beam is a precast concrete structure measuring 34 metres in length, with a cross-section of 5.5 metres by 4.5 metres. A total of five suc...Read More