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Mitigation of liquefaction induced lateral spread using jet grout shear walls
(New Zealand Society for Earthquake Engineering, 2020-04-22)
The load transfer mechanism between ground subject to liquefaction induced lateral spreading and jet grout shear walls is complex. The shear walls comprise rows of jet grout columns, constructed in a primary-secondary ...
EQRNet: New Zealand's densest urban seismic monitoring network
(New Zealand Society for Earthquake Engineering, 2020-04-22)
An ultra-dense urban earthquake monitoring and effects management system is presented. We describe our learnings from the 2016 M 7.8 Kaikōura earthquake and how these motivated us to create a globally unique system of ...
Geotechnical outputs from the EQC – Quake Centre Industry Fellowship programme
(New Zealand Society for Earthquake Engineering, 2020-04-22)
The Earthquake Commission (EQC) has, for a long time, been an important investor in high quality research in New Zealand. EQC’s research programme spans science, engineering and social science and has played a vital role ...
Correlation between standard penetration test and shear-wave velocity in Wellington, New Zealand
(New Zealand Society for Earthquake Engineering, 2020-04-22)
The New Zealand standard NZS1170.5:2004 (amendment 1; Sep 2016; Earthquake actions) recommends seven methods for the determination of site classification as defined in Section 3.1.3.1. The most preferable method is direct ...
A study of current research achievements and challenges on the application of High Strength Steel (HSS) endplates in seismic resisting systems
(New Zealand Society for Earthquake Engineering, 2020-04-22)
High strength steel is increasing in demand due to economic and mechanical benefits. A typical mechanical characteristic of HSS is that the ductility of the material decreases along with the increase in strength. This has ...
Seismic base isolation of high-rise RC shear wall building using lead core rubber bearings
(New Zealand Society for Earthquake Engineering, 2020-04-22)
The use of base isolation technique is an effective way to control the seismic demands in buildings. The RC shear wall buildings represent the typical high-rise construction in several parts of the world. The seismic story ...
Influence of ground motion orientation on predicted seismic compression
(New Zealand Society for Earthquake Engineering, 2020-04-22)
Seismic compression is the accrual of contractive volumetric strain in unsaturated or partially saturated sandy soils during earthquake shaking and has caused significant distress to overlying and nearby structures. The ...
Earthquake prone building policy implementation in Lower Hutt
(New Zealand Society for Earthquake Engineering, 2020-04-22)
Lower Hutt building stock dates back to early nineteenth century, with the majority of older buildings concentrated in central business district and around historic precincts in Jackson Street. Inevitably, buildings built ...
Prioritization of seismic retrofit using scoring system
(New Zealand Society for Earthquake Engineering, 2020-04-22)
As the research and engineering communities advance in their understanding of earthquakes and the associated effects, it becomes apparent that retrofit of old structures is necessary in order to protect the lives and assets ...
How would changes to serviceability limit state design criteria impact likely repair costs?
(New Zealand Society for Earthquake Engineering, 2020-04-22)
The earthquake engineering community is currently grappling with the need to improve the post-earthquake reparability of buildings. As part of this, proposals exist to change design criteria for the serviceability limit ...