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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: 1992
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#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: 726
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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, and now disconnecting as Little England and Wales (not too sure about Wales bit, either). 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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