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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 ...
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 ...
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 ...
Wellington's sedimentary basin and its role in amplifying earthquake ground motions: new CBD 3D model and maps
(New Zealand Society for Earthquake Engineering, 2020-04-22)
During the Mw7.8 Kaikōura earthquake, ground motions in central Wellington were clearly influenced by both the nature of the earthquake source and local amplification effects due to the sedimentary basin. These effects ...