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Resources

Displaying 161 - 170 results of 233 for ""

Research Report 144 The relationship between dynamic wheel loads and road wear

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

The models of traffic-induced pavement wear, which form the basis of current pavement design and management practices, are based on static axle loads.

Research Report 143 Survey of New Zealand roading authorities regarding pavement engineering issues

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

This report presents the results of a survey of New Zealand's territorial authorities, Transit New Zealand and selected industry organisations on pavement engineering issues.

Research Report 151 Dynamic load properties of New Zealand basecourse

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

This report follows on from Opus Report 95-526264.01, which recommends a test procedure for New Zealand basecourse materials.

Research Report 150 Verification of road roughness by profile beam during construction

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

The correlation between road roughness, as measured by the NAASRA roughness meter, and the profile factor, measured by profile beams, was investigated between 1992 and 1995.

Research Report 118 Vehicle repair and maintenance costs: literature review & operator cost survey

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

This report describes the work undertaken between 1992 and 1995 under the first and second stages of a research project into road vehicle repair and maintenance costs in relation to road operating conditions.

Research Report 238 Subgrade moisture conditions for pavement design of New Zealand roads

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

A research project was carried out in 2001–02 to investigate subgrade soil water conditions of road pavements in New Zealand, in particular the applicability of soaked or unsoaked test specimens, and seasonal influences on subgrade stiffness.