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International Railroad Discussion > Crossing Maraba bridge (Brazil)


Date: 01/05/21 15:10
Crossing Maraba bridge (Brazil)
Author: pedrop

Here it is a link to an old video of friend Fernando Cunha (Vale engineer) crossing the biggest bridge of Vale mining in its Carajas rwy. Vale will start the duplication of this bridge this year, in a five years project. It is one of the last not duplicated in EFC rwy.  

youtu.be/1YzGWp75Hyw
 

Pedro Rezende
Vespasiano, MG




Edited 2 time(s). Last edit at 01/05/21 15:30 by pedrop.



Date: 01/05/21 15:17
Re: Crossing Maraba bridge (Brazil)
Author: pedrop

Some pics of Maraba bridge.

Pedro Rezende
Vespasiano, MG
https://youtube.com/c/minasgeraisrailways1








Date: 01/05/21 16:50
Re: Crossing Maraba bridge (Brazil)
Author: Ritzville

Very interesting series! I enjoyed the ride across the long bridge, very enjoyable video!

Larry



Date: 01/05/21 18:23
Re: Crossing Maraba bridge (Brazil)
Author: SAAP

Interesting how the auto traffic switches to the left side over the bridge, then returns back to "normal" at the interchange on each end.



Date: 01/06/21 06:33
Re: Crossing Maraba bridge (Brazil)
Author: Arkeytek

Yes, why is that the case?



Date: 01/06/21 12:17
Re: Crossing Maraba bridge (Brazil)
Author: pedrop

I really do not know why they changed the direction of the lanes. The video in the link below shows the construction of the bridge in a time line made by old pictures. Note that the original bridge was for train only and Maraba city did not exist at that time. Maraba was a village for employees during  construction of the railroad. I imagine they built one lane in dual direction and then the second lane, so the direction of the lanes was easy to be built in this way we see nowadays.

youtu.be/UO1B5HtOKFg

Arkeytek Wrote:
-------------------------------------------------------
> Yes, why is that the case?

Pedro Rezende
Vespasiano, MG
https://youtube.com/c/minasgeraisrailways1



Edited 1 time(s). Last edit at 01/06/21 12:18 by pedrop.






Date: 01/06/21 12:20
Re: Crossing Maraba bridge (Brazil)
Author: pedrop

Old pictures of Maraba yard where they loaded trucks on flat cars.

Pedro Rezende
Vespasiano, MG
https://youtube.com/c/minasgeraisrailways1






Date: 01/06/21 12:25
Re: Crossing Maraba bridge (Brazil)
Author: pedrop

More pics. This passenger train still running.

Pedro Rezende
Vespasiano, MG
https://youtube.com/c/minasgeraisrailways1








Date: 01/06/21 12:27
Re: Crossing Maraba bridge (Brazil)
Author: pedrop

Trains on the bridge.

Pedro Rezende
Vespasiano, MG
https://youtube.com/c/minasgeraisrailways1








Date: 01/06/21 12:33
Re: Crossing Maraba bridge (Brazil)
Author: pedrop

The last picture give us some numbers:
▪︎Weight of rwy bridge: 7,588 tons
▪︎WeIght of the road lanes: 3,410 tons
▪︎Concrete: 16,882 cubic meters

Pedro Rezende
Vespasiano, MG
https://youtube.com/c/minasgeraisrailways1






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