Design Challenges of the Horotiu Paa Bridge - Maximising Structural Efficiency and Economy
|Conference:||Challenges in Design and Construction of an Innovative and Sustainable Built Environment, 19th IABSE Congress Stockholm, 21-23 September 2016|
|Published in:||Challenges in Design and Construction of an Innovative and Sustainable Built Environment|
The Horotiu Paa Bridge, also known as the Karapiro Gully Bridge is the largest weathering steel
bridge in New Zealand. Construction of the bridge was recently completed in November 2015. The
bridge is part of the Cambridge section of the Waikato Expressway in New Zealand. The Waikato
Expressway is one of the seven state highways, named the Roads of National Significance,
identified by the government as essential to New Zealand's economic prosperity. The bridge spans
over the Karapiro Gully with a total length of 200m, consisting of four 50m long equal spans and is
24m wide, servicing 4 lanes of traffic.
This paper discusses the design development, key design aspects, innovations and technical challenges for the design of the Horotiu Paa Bridge.
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