This paper was prepared for the NZGS 2020 Symposium and will be presented at the rescheduled meeting ABSTRACT Sumner Road between Lyttelton to Evans Pass was severely affected by rockfall as a result of the 2010-2011 Canterbury Earthquake Sequence. Approximately 2 km of Sumner Road…
ABSTRACT: Palmerston North City Council (PNCC) have identified a number of earthquake-prone buildings requiring seismic strengthening located along the ‘Priority Route’ in the City Centre. Seismic assessment (i.e. estimation of %NBS) and the subsequent design of strengthening schemes is heavily influenced by the Seismic Site…
Abstract This paper describes a study on seismic coefficient and dynamic earth pressure distribution of a geo-grid reinforced Mechanically Stabilized Earth (MSE) retaining wall. Dynamic finite element modeling is implemented on the wall to investigate its dynamic responses under selected historic ground motions for a…
1.0 Introduction A revision project for the New Zealand National Seismic Hazard Model (NSHM) has recently commenced. In this project, funded by the Ministry of Business, Innovation and Employment (MBIE) and the Earthquake Commission (EQC), we expect to deliver a revised NSHM by 31 August…
An opinion of a geophysicist 1 Introduction Over the last two decades geophysical methods have become increasingly popular for many applications in modern engineering practices, especially in the disciplines of geotechnical and earthquake engineering. ‘Making the invisible visible’ is more and more where engineering standards,…
This paper was originally prepared for the Australian Geomechanics Society Vic symposium in 2020 and is reproduced by permission of AGS Abstract Climactic warming caused by the emissions of anthropogenic greenhouse gasses is occurring across the globe. These changes will increase the exposure of the built…
The editors of Geotechnics News have initiated a regular feature seeking career reflections from geotechnical practitioners that may assist undergraduate and graduates in managing their professional development and identify their long-term goals. Tonkin + Taylor’s Peter Millar is a geotechnical professional with over 40 years’…
Background MBIE amended Acceptable Solution (B1/AS1) in November 2019 to acknowledge liquefaction prone-ground is not exclusive to Canterbury region and the requirements should therefore be extended to all of New Zealand. The amendment facilitates the design of house foundations to Ensure new buildings (especially…
Once again we had a great range of photos submitted, and a record number of entries for which we thank you very much. It’s great to see the range of places we work, the things we see and the weird things that appeal to some…
75% of the World’s sandy beaches are stable or growing Analysis of satellite derived shoreline data indicates that 24% of the world’s sandy beaches are eroding at rates exceeding 0.5 m/yr, while 28% are accreting and 48% are stable. Coastal zones constitute one of…
