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Separation of pumice from soil mixtures

https://doi.org/10.1016/j.sandf.2019.05.004 Dr Stringer received the 2018-2021 JW Ridley Geomechanics Paper award, for his paper “Separation of Pumice from Soil Mixtures“, originally published in Soils and Foundations in August 2019. Abstract Pumice-rich deposits are found in a number of locations around the world, and in particular…

SPECIAL FEATURE Whakatane liquefaction case history from the 1987 Edgecumbe Earthquake: examination of an extensive CPT dataset supplemented by paleo-liquefaction investigations

Liquefaction and associated lateral spreading during the 1987 ML 6.3 Edgecumbe earthquake caused severe damage to parts of Whakatane, New Zealand. Recent studies utilizing extensive CPT investigations indicate that much of the Whakatane Central Business District is underlain by sediments with a low cyclic resistance…

Tauranga Harbour Link foundation pile construction and testing

Tauranga Harbour Link foundation pile construction and testing

The Tauranga Harbour Link project represents a major upgrade of the existing harbour crossing and approaches. It comprises a two lane incrementally launched bridge and major viaduct structure spanning road and rail links. This paper presents the details of the pile construction methodology using bentonite…

Predicting axial performance of piles in pumiceous materials

Predicting axial performance of piles in pumiceous materials

The design of piles is typically undertaken using empirical or semi-empirical methods developed for ‘regular’ silica sands or clays. The application of such methods to geological materials whose physical characteristics are unlike those on which the conventional design methods were derived can result in unconservative…

Site subsoil class determinations in Tauranga

Abstract The site subsoil classes used in Tauranga often rely on relatively shallow ground investigation data, and a site subsoil class C (shallow soil) is often used for seismic design outside of areas dominated by Holocene materials. In this study, active- and passive-source surface wave…