Difference between revisions of "Lagentium Viaduct"
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This three-span [[Multi-girder composite bridges|multi-girder]] composite viaduct carries the new A1(M) dual three-lane motorway over the River Aire to the east of Castleford (Roman name - Lagentium), and forms part of the A1 upgrade between Darrington and Dishforth. | This three-span [[Multi-girder composite bridges|multi-girder]] composite viaduct carries the new A1(M) dual three-lane motorway over the River Aire to the east of Castleford (Roman name - Lagentium), and forms part of the A1 upgrade between Darrington and Dishforth. | ||
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The 2009t of steelwork was [[Design for steel bridge construction#Erection using cranes|erected]] during the summer of 2004, the viaduct was completed in October 2005 and the new A1(M) opened to traffic in January 2006. | The 2009t of steelwork was [[Design for steel bridge construction#Erection using cranes|erected]] during the summer of 2004, the viaduct was completed in October 2005 and the new A1(M) opened to traffic in January 2006. | ||
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|'''Structural Engineer'''||Parkman | |'''Structural Engineer'''||Parkman | ||
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Latest revision as of 12:00, 12 March 2019
This three-span multi-girder composite viaduct carries the new A1(M) dual three-lane motorway over the River Aire to the east of Castleford (Roman name - Lagentium), and forms part of the A1 upgrade between Darrington and Dishforth.
The deck comprises eight plate girders fabricated from S355J2 steel to EN 10025-2[1] with a central span of 85m, and side spans of 35m. Elliptical columns provide the intermediate supports, at which point the girders are haunched up to 4.5 m deep.
The girders were assembled into braced pairs adjacent to the site, moved up to the erection crane by SPMT (self propelled modular trailer), and then lifted into position by a 1200t capacity AK680 strut jib crane positioned behind each abutment.
The 2009t of steelwork was erected during the summer of 2004, the viaduct was completed in October 2005 and the new A1(M) opened to traffic in January 2006.
| Structural Engineer | Parkman |
| Steelwork Contractor | Mabey Bridge Ltd. |
| Main Contractor | RMG (A1) Construction Joint Venture |
| DBFO Company | Road Management Services (Darrington) Ltd. |
| Client | Highways Agency |
References
- ↑ BS EN 10025-2: 2004, Hot rolled products of structural steels, Part 2: Technical delivery conditions for non-alloy structural steels, BSI