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Displaying 171 - 180 results of 723 for ""

Research Report 043 Stabilisation of soils using randomly distributed fibre reinforcement: a review

Published:
Category: Activity management , Research programme , Research & reports | Audience: General

A review of international literature covering the use of fibre reinforcement in cohesive and non-cohesive soils as a means of strengthening these materials was begun in 1992.

Research Report 566 Assessing new approaches to estimating the economic impact of transport interventions using the gross value added approach

Published:
Category: Economic development , Research programme , Research & reports | Audience: Road traffic engineers & consultants

Current transport appraisal methods, with their focus on the economic welfare benefits and costs of transport investment, are well grounded in theory and widely used, including by the NZ Transport Agency when it comes to prioritising transport interv…

Research Report 564 Effects of water on chipseal and basecourse on high-volume roads

Published:
Category: Activity management , CAPTIF , Research programme , Research & reports | Audiences: Road traffic engineers & consultants, Roading contractors

The objectives of this study were to investigate the relationship between permeability of chipseals, waterfilm thickness, basecourse moisture sensitivity, heavy traffic volumes, and premature pavement failure following construction through the use of…

Research report 428 Trialling pedestrian countdown timers at traffic signals

Published:
Category: Safety, security and public health , Research programme , Research & reports | Audience: General

The overall research objective was to evaluate changes in pedestrian safety and traffic efficiency from installing pedestrian countdown timers.

Research Report 499 Modelling of extreme traffic loading effects

Published:
Category: Activity management , Research programme , Research & reports | Audience: General

In New Zealand, premature failure of low volume, low strength state highways and local authority roads has sometimes occurred due to significant changes in heavy commercial vehicle traffic.

Research Report 498 The design of stabilised pavements in New Zealand

Published:
Category: Activity management , CAPTIF , Research programme , Research & reports | Audience: General

Areas of New Zealand are running out of premium aggregates that meet the demanding specifications used in unbound granular road construction.