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Crane Sets Bridge Precisely in Place

Posted August 12, 2016 12:00 AM by Engineering360 eNewsletter

When an old bridge was recently determined unsafe in Kirkel, Germany, contractors were called in to replace it with a brand new bridge. The new 49 ft long, 73 ton steel bridge that would replace it had to span the active Paris-Mannheim ICE train route. Also, it would have to be constructed in the middle of a dense residential neighborhood. To meet these challenges, engineers utilized a heavy-duty lattice boom crane that was able to set the new bridge in place with "laser-like precision" in two separate lifts.


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Guru

Join Date: Dec 2007
Location: Mumbai, India
Posts: 1984
Good Answers: 25
#1

Re: Crane Sets Bridge Precisely in Place

08/13/2016 2:45 AM

In Mumbai, India, for Metro I project rail track is installed above local train track and flyover for vehicles.It is three layer track at Andheri local station. Worth watching.

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Guru
Canada - Member - New Member

Join Date: Jul 2013
Location: Canada but south of 49
Posts: 895
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#2

Re: Crane Sets Bridge Precisely in Place

08/15/2016 8:42 AM

Not new. Done that before, only not in a residential area but over another rail line- 1 prefabricated (fabbed in our structural shop) bridge - 90 feet long, 168 tons. Old one out and new one in in just under 24 hours. We used an hydraulic crane not a lattice boom crane. Rail traffic on the lower line resumed about 10 minutes after we were complete.

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Guru
United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
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#3

Re: Crane Sets Bridge Precisely in Place

08/15/2016 10:43 AM
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