A multi-agency team, comprising researchers from Opus Research, R&D Consultants and the University of Auckland, investigated various aspects of chipseal cracking throughout 2014 and 2015. Phil Herrington of Opus says, 'The study was needed because, although cracking is one of the major failure modes for chipseal pavements in New Zealand, there has been relatively little research into why it occurs, or what to do about it, either here or overseas.'
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