Damage to non-structural elements in the 2016 Kaikōura earthquake
DOI:
https://doi.org/10.5459/bnzsee.50.2.187-193Abstract
This paper describes the damage to non-structural elements in buildings following the 14th November 2016 Kaikōura earthquake. As has been observed in recent earthquakes in New Zealand and around the world, damage to non-structural elements is a major contributor to overall building damage. This paper focusses on damage to non-structural elements in multi-storey commercial buildings, in particular damage to the following: suspended ceilings, suspended services, glazing, precast panels, internal linings, seismic gaps and contents. The nature and extent of damage to each of these components is discussed in this paper with the help of typical damage photos taken after the earthquake. The paper also presents observations on the seismic performance of non-structural elements where seismic bracing was present. These observations suggest that seismic bracing is an effective means to improve seismic performance of non-structural elements.
References
Dhakal RP (2010). “Damage to non-structural components and contents in 2010 Darfield Earthquake”. Bulletin of the New Zealand Society of Earthquake Engineering, 43(4): 404-411. DOI: https://doi.org/10.5459/bnzsee.43.4.404-411
Dhakal RP, MacRae G and Hogg K (2011). “Performance of ceilings in the February 2011 Christchurch earthquake”. Bulletin of the New Zealand Society of Earthquake Engineering, 44(4): 377-387. DOI: https://doi.org/10.5459/bnzsee.44.4.377-387
Bradley B, Dhakal RP, Cubrinovski M, MacRae G and Lee D (2009). “Seismic loss estimation for efficient decision making”. Bulletin of the New Zealand Society for Earthquake Engineering, 42(2): 97-110. DOI: https://doi.org/10.5459/bnzsee.42.2.96-110
Baird A, Palermo A and Pampanin S (2011). “Façade damage assessment of multi-storey buildings in the 2011 Christchurch earthquake”. Bulletin of the New Zealand Society of Earthquake Engineering, 44(4): 368-376. DOI: https://doi.org/10.5459/bnzsee.44.4.368-376
Baird A (2014). “Seismic Performance of Precast Concrete Cladding Systems”. Doctoral Thesis. University of Canterbury, Christchurch, NZ.
SESOC (2017). “Wellington City Council Targeted Building Assessment Programme - Additional Guidance Notes for Targeted Damage Evaluation: Precast Concrete Floor Systems and Cladding Panels”. Structural Engineering Society, Wellington, 17 January 2017.
Burnell C (2016). “Earthquake: Deaths, major damage after severe 7.5 quake hits Hanmer Springs, tsunami warning issued”. Stuff, NZ, 14 November 2016.
SNZ (2013). “NZS4541: Automatic Fire Sprinkler Systems”. Standards New Zealand, Wellington.
Lin T (2016). “Supermarkets reopening, challenges for New World Kaikoura”. Stuff, NZ, 15 November 2016.
Yeow T, Baird A and Ferner H (2017). “Which building components caused injuries in recent New Zealand earthquakes?”. New Zealand Society for Earthquake Engineering Annual Conference. Wellington, 27-29 April.
SNZ (2009). “NZS4219: Seismic Performance of Engineering Systems in Buildings”. Standards New Zealand, Wellington.
Ferner H, Lander M, Douglas G, Baird A, Wemyss M and Hunter D (2016). “Pragmatic improvements to seismic resilience of non-structural elements – Practitioners’ perspective”. Bulletin of the New Zealand Society for Earthquake Engineering, 49(1): 22-33. DOI: https://doi.org/10.5459/bnzsee.49.1.22-33
FEMA (2011). “FEMA E-74: Reducing the Risks of Nonstructural Earthquake Damage”. Federal Emergency Management Agency, Washington, DC, USA.
Kircher C (2003). “ATC-29-2: It makes Dollars and Sense to Improve Non-Structural System Performance”. Applied Technology Council, USA.
NZS1170.5 (2004). “NZS1170.5: Structural Design Actions, Part 5: Earthquake Actions - New Zealand”. Standards New Zealand, Wellington.
Ferner H, Jury R, King A, Lander M and Baird A (2016). “Performance objectives for non-structural elements”. Bulletin of the New Zealand Society for Earthquake Engineering, 49(1): 79-85. DOI: https://doi.org/10.5459/bnzsee.49.1.79-85
