Seismic assessment and retrofit of Waikanae and Pakuratahi river bridges

  • John H. Wood John Wood Consulting, Lower Hutt, New Zealand
  • Howard E. Chapman Transit New Zealand, Wellington, New Zealand
  • G. C. Gregg Transit New Zealand, Wellington, New Zealand
  • Donald K. Kirkcaldie Opus International Consultants Ltd., Wellington, New Zealand

Abstract

Seismic strengthening construction work has recently commenced on the Waikanae and Pakuratahi River Bridges assessed as having a high priority for retrofitting. Both bridges are on major State Highways in the Wellington region that carry high traffic volumes. The paper describes the assessment methods and strengthening details used on these two bridges.

References

Beca Carter Hollings and Ferner Ltd, (2004). “Detailed Seismic Bridge Assessment Investigation and Reporting - Pakuratahi River Bridge”. Report by Beca Carter Hollings and Ferner Ltd for Transit NZ.

Chapman, H.E., Lauder, M.K & Wood, J.H., (2005). “Seismic Assessment and Retrofitting of New Zealand State Highway Bridges”. Proceedings NZSEE Annual Conference.

Opus International Consultants Ltd, (2000). “Waikanae River Bridge Seismic Assessment”. Report by Opus International Consultants Ltd. for Transit NZ.

Transit New Zealand, (2003). “Bridge Manual”, Second Edition [SP/M/022]

NZS 1170.5: (2004). “Structural Design Actions, Part 5: Earthquake Actions” – Standards New Zealand.

Published
2008-03-31
How to Cite
Wood, J. H., Chapman, H. E., Gregg, G. C., & Kirkcaldie, D. K. (2008). Seismic assessment and retrofit of Waikanae and Pakuratahi river bridges. Bulletin of the New Zealand Society for Earthquake Engineering, 41(1), 38-46. https://doi.org/10.5459/bnzsee.41.1.38-46
Section
Articles