Monday, August 29, 2011

New Zealand's Bridges: Durham RR Overhead in Christchurch

March 2011 (-43.541 Degrees, 172.637 Degrees) Durham RR Overhead
Like the previously studied Colombo RR Overhead, this bridge climbs rapidly to provide sufficient clearance over the railroad. It's a long T-girder bridge on multicolumn bents. It was made continuous except for an expansion joint at the middle of the bridge (over the railway). The steep rise with an expansion joint at the top allowed the two halves to move apart during the earthquake (see figure below).
Creative Commons License
New Zealand's Bridges: Durham RR Overhead in Christchurch by Mark Yashinsky is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.

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