Now showing items 1-20 of 115

    • Identifying vulnerable reinforced concrete buildings in Wellington using a simple assessment methodology 

      Balbirnie, Kieran; Chandramohan, Reagan; Pujol, Santiago; Wright, Joshua (2021-04-14)
      The application of a simple yet effective method to assess reinforced concrete buildings in New Zealand is discussed. It is proposed that this method be used to identify and prioritise the most vulnerable reinforced concrete ...
    • Evaluation of seismic performance of buildings and infrastructure 

      Cubrinovski, Misko (2021-04-14)
      Observations from the Canterbury and Kaikoura earthquakes are used to illustrate some important factors that often govern the seismic performance of ground, buildings and infrastructure. The talk examines some of the ...
    • Development of the New Zealand Community Fault Model – version 1.0 

      Van Dissen, Russ; Seebeck, Hannu; Litchfield, Nicola; Barnes, Philip; Nicol, Andy; Langridge, Robert; Barrell, David; Villamor, Pilar; Ellis, Susan; Rattenbury, Mark; Bannister, Stephen; Gerstenberger, Matt; Ghisetti, Francesca; Sutherland, Rupert; Fraser, Jeff; Nodder, Scott; Stirling, Mark; Humphrey, Jade; Bland, Kyle; Howell, Andrew; Mountjoy, Joshu; Moon, Vicki; Stahl, Tim; Spinardi, Francesca; Townsend, Dougal; Clark, Kate; Hamling, Ian; Cox, Simon; de Lange, William; Wopereis, Paul; Johnston, Mike; Morgenstern, Regine; Eccles, Jennifer; Little, Tim; Fry, Bill; Griffin, Jonathan; Townsend, John; Mortimer, Nick; Alcaraz, Samantha; Massiot, Cecile; Rowland, Julie; Muirhead, James; Upton, Phaedra; Hirschberg, Hamish; Lee, Julie (2021-04-14)
      There has been a long-identified need in New Zealand for a community-developed three-dimensional fault model that is accessible and available to all. Over the past year, work has progressed on building and parameterising ...
    • Monitoring of lateral stiffness changes for a real building using hysteresis loop analysis 

      Rabiepour, Mohammad; Zhou, Cong; Chase, Geoff; Rodgers, Geoffrey (2021-04-14)
      The BNZ building in Wellington, New Zealand was significantly damaged, and eventually demolished, due to the cumulative impact of three main earthquakes between 2013 and 2016. Although the building was equipped with a set ...
    • Impact of Canterbury earthquakes on the evolution of earthquake geotechnical engineering practice  

      Brabhaharan, Pathmanathan (2021-04-14)
      Earthquake geotechnical engineering practice has evolved in New Zealand during the past 40 years.  The 2010-2011 Canterbury earthquakes provided significant impetus to the research and practice. Early evolution commenced ...
    • SESOC Software – Seismic Design Tools 

      Bird, Geoff; McPherson, Allan (2021-04-14)
      SESOC has accumulated a number of structural software design programs, over time, which we actively maintain/enhance, also on occasion developing a new tool for the benefit of our members – and the NZ design fraternity. This ...
    • Upper and lower bound force capacity estimates of lead extrusion damper design force using classical extrusion models 

      Vishnupriya, Vishnupriya; Rodgers, Geoffrey; Chase, Geoff (2021-04-14)
      To reduce seismic vulnerability and the economic impact of seismic structural damage, it is important to protect structures using supplemental energy dissipation devices. High force to volume (HF2V) devices are supplemental ...
    • Innovative seismic upgrade of Left Bank Art Gallery, Greymouth. 

      Mackenzie, John (2021-04-14)
      The Grey District Council commissioned the strengthening of the C1910 Left Bank Art Galley building in 2018 to preserve its historical value and improve the building’s seismic safety rating. Formally the Bank of New Zealand ...
    • Post-earthquake Response: Are We Ready for the Next Big One? 

      Brunsdon, Dave (2021-04-14)
      The period of relative quiescence for significant urban earthquakes in New Zealand in the latter half of the last century presented challenges in getting the country prepared to respond – for both the general population ...
    • Self-drilling dowel connections for ductile link beams in coupled CLT walls 

      Moerman, Ben; Li, Minghao; Palermo, Alessandro; Liu, Angela (2021-04-14)
      Coupled CLT walls with steel link beams can form a more efficient lateral load resisting system for tall timber buildings when compared to single CLT shear walls. To achieve adequate coupling between CLT walls and ensure ...
    • Strength requirements for non-structural components responding nonlinearly under earthquake excitation 

      Haymes, Kieran; Sullivan, Timothy; Chandramohan, Reagan (2021-04-14)
      This study develops a practice-oriented method to design non-structural components and their restraints to lower strengths than needed to remain elastic under earthquake ground motion by permitting nonlinear non-structural ...
    • Validation of NZ small-magnitude ground-motion simulations using complex structural systems 

      Loghman, Vahid; Bradley, Brendon; Chandramohan, Reagan; Lee, Robin; McGann, Christopher (2021-04-14)
      This study assesses the need to consider complex structural models in ground-motion simulation validation. It develops a novel statistical framework to quantify the proportion of the differences in structural responses ...
    • The national seismic hazard model for New Zealand: Contributions from the deep south 

      Stirling, Mark; Shaw, Bruce; Fitzgerald, Michelle; Ross, Clarissa; Gerstenberger, Matt (2021-04-14)
      The New Zealand National Seismic Hazard Model (NSHM) is being updated for the first time since 2010 in a multi-institutional project led by GNS Science (www.gns.cri.nz/NSHM). In the interim, several major well-instrumented ...
    • Damageability of Hollow-core Floors 

      Elwood, Ken; Hogan, Lucas (2021-04-14)
      The life safety risk of precast hollow-core floors during earthquakes have been well recognised in New Zealand since early 2000s. Hollow-core floor unts in ductile buildings may experience web cracking at drift demands ...
    • Investigating CLT Lateral Load Resisting Systems for Taller Timber Buildings 

      Brown, Justin; Li, Minghao; Palermo, Alessandro; Pampanin, Stefano; Sarti, Francesco (2021-04-14)
      Recent taller timber buildings worldwide have often utilized hybrid systems of mixed materials and have been built in regions of low seismicity. Designers often adopt the hybrid material solution of utilizing mass timber ...
    • Development and implications of an expanded national earthquake catalogue for New Zealand 

      Hutchinson, Jesse; Lee, Robin; Bradley, Brendon; Van Houtte, Chris; Kaiser, Anna; Wotherspoon, Liam (2021-04-14)
      In the last two decades, New Zealand (NZ) has experienced significant earthquakes, including the 2010 M 7.2 Darfield, 2011 M 6.2 Christchurch, and 2016 M 7.8 Kaikōura events. Amongst these large events, tens of thousands ...
    • Seismic Restraint Design and Documentation for the Christchuch Acute Services Building 

      Black, Ignatius (2021-04-14)
      Seismic restraint design in New Zealand for large services intense buildings is a developing field.  There are few examples of services intense Importance Level 4 buildings where fully compliant and modelled seismic restraint ...
    • Residential Building Repair Cost and Claim Settlement Time from the Canterbury Earthquake Sequence 

      Khakurel, Shreedhar; Dhakal, Rajesh; Yeow, Trevor; Saha, Sandip (2021-04-14)
      This study analyses the Earthquake Commission’s (EQC) insurance claims database to investigate the influence of seismic intensity and property damage resulting from the Canterbury Earthquake Sequence (CES) on the repair ...
    • Seismic behaviour of a non-linear structure with passive D3 viscous damper 

      Hazaveh, Nikoo; Rad, Ali; Chase, Geoff; Pampanin, Stefano (2021-04-14)
      Passive Direction Displacement Dependent (D3) viscous damper is a next generation of the conventional viscous damper could provide damping force in any desired quadrant to provide wanted damping hysteresis loop. This ...
    • Liquefaction Risk Analysis of Native and Reclaimed Soil Deposits in Central Wellington 

      Cappellaro, Claudio; Cubrinovski, Misko; Dhakal, Riwaj (2021-04-14)
      Following the 2016 Kaikōura earthquake, severe and damaging liquefaction was observed at the port of Wellington in areas of reclamation fills built at the beginning of or mid 20th century. However, little or no damage was ...