Browsing Proceedings of the 2022 New Zealand Society for Earthquake Engineering Annual Technical Conference by Issue Date
Now showing items 1-20 of 46
-
Depth and Shape of the Basement Surface Beneath Wellington City, Based on Gravity and Seismic Constraints
(2022-04-27)A new basin-depth map for the Wellington Central Business District shows a maximum depth of 540 m near the Wellington Stadium. This is twice that previously proposed. Our new basin geometry constraints are from a residual ... -
Elastic Design (μ=1.0) of Damage Avoidance Structures
(2022-04-27)Damage Avoidance Design (DAD) has been considered an efficient way for seismic design. Different solutions to achieve a robust DAD structure has been proposed and tested by researchers in the past. However, there is a lack ... -
Modelling uncertainty induced by plastic hinge length in lumped-plasticity analysis of RC columns
(2022-04-27)This study quantifies the influence of various plastic hinge length assumptions on the uncertainty in the response of reinforced concrete (RC) columns simulated using lumped plasticity models. Although several expressions ... -
Code requirements for column confinement with a view on drift
(2022-04-27)Confinement provided by transverse reinforcement plays an essential role in reinforced concrete columns. When proportioned judiciously, confinement provides longitudinal bar restraint, contributes to shear resistance, and ... -
Interim Results from empirical ground motion model evaluation for the NZ National Seismic Hazard Model Update
(2022-04-27)As a part of the ongoing 2022 NZ National Seismic Hazard Model (NSHM) Update, the predictive capabilities of candidate empirical ground motion models are evaluated to ascertain models which provide good prediction for NZ ... -
Ductility factor validation for CLT walls with bolted hold-downs: preliminary analysis and observations
(2022-04-27)High-capacity cantilever CLT walls can be created with bolted hold-downs to resist earthquake loading. This study briefly presents the experimental results and cyclic behaviour of the representative test specimen. Then ... -
Assessing the impact of acceleration-sensitive components on the seismic losses of multi-storey office buildings
(2022-04-27)The Ministry of Building, Innovation and Employment is developing advice on how to deliver Low Damage Seismic Design (LDSD) protection for buildings through their Tū Kahika: Building Resilience platform. A preliminary ... -
Investigation of influential factors on yield strength of lead rubber bearings
(2022-04-27)The design of seismic isolators as specified by building code requirements is well defined and well established. However, there is still some refinement required for these design practices, especially in terms of estimating ... -
Seismic retrofit of historic timber structures: Uncertainties and adaption on site
(2022-04-27)Existing timber structures, containing more hand-adapted and degradable components than other materials, provide challenges in ensuring your design intent is followed through on site. Often these buildings are flexible ... -
Dealing with uncertainty in prediction of lateral spread
(2022-04-27)Prediction of lateral spread for seismic assessment and design includes considerable uncertainty. Two widely used prediction methods are Youd et al. (2002) and Zhang et al. (2004). Five case studies across the Wellington ... -
Study on floor-slab out-of-plane effect of a 2-storey low-damage concrete wall building
(2022-04-27)In 2019, a system-level shake-table test of a 2-storey low-damage concrete wall building was conducted using the multi-functional shake-table array at Tongji University as part of an international collaborative project ... -
The shaky south (or not): towards improving communities understanding of earthquake risk in Otago and Southland
(2022-04-27)Understanding how people interpret and respond to earthquake risks is vital to any strategy for earthquake risk reduction. Acknowledging that there is a wide range of interpretations of risk is important in determining how ... -
Wellington region land transport resilience business case
(2022-04-27)The high seismicity, rugged terrain and an increasingly adverse climate exacerbated by climate change mean that the capital city Wellington’s transport system has severe deficiencies in its resilience to natural and ... -
Retaining Wall Design - SESOC
(2022-04-27)In the absence of a recognised or accepted national standard, and in order to provide clarity around the technical basis for their retaining wall software, some time ago SESOC embarked on the development of two design ... -
The role of in-plane strengthening within a proposed non-specific design approach to seismic improvement for URM buildings
(2022-04-27)Recent research shows that a significant number of earthquake-prone unreinforced brick masonry buildings may not receive seismic strengthening within the deadlines mandated by the Building (Earthquake-prone Buildings) ... -
Reclamation resilience improvement at CentrePort, Wellington New Zealand
(2022-04-27)CentrePort operations were significantly disrupted following damage to strategic assets sustained in the 2016 Kaikōura Earthquake, demonstrating the ports seismic vulnerability. Improved resilience is a necessity to long-term ... -
Earthquake Design Loads on Retaining Walls
(2022-04-27)Free-standing retaining walls are usually designed for earthquake loads using the Monobe-Okabe method and assuming cohesionless soil backfill. This simple design approach has led to satisfactory performance and is supported ... -
Seismic Performance of Precast Hollow-core Units Seated Within the Plastic Hinge Region
(2022-04-27)This paper discusses the susceptibility of hollow-core floor units to sustain a higher degree of damage when they are seated within the plastic hinge regions of the supporting beam. This damageability of these so-called ... -
Repair and Reinstatement of Douglas-fir CLT Hold-down Connections using Mixed Angle Self Tapping Screws
(2022-04-27)The system ductility of timber structures under seismic loads relies on well detailed connection systems. With the increasing popularity of mass timber structures, CLT shear walls provide an efficient seismic load resisting ... -
Seismic strengthening of the Seatoun Tunnel
(2022-04-27)The Seatoun tunnel is a 147m long, vehicle and pedestrian tunnel built in 1906-1907 to provide a tram connection between the suburb of Seatoun the city of Wellington. In 2011, the Seatoun tunnel structure was assessed as ...