Assessment of the Accuracy and Classification of Weigh-in-Motion Systems: Part 2 European Specification

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Title: Assessment of the Accuracy and Classification of Weigh-in-Motion Systems: Part 2 European Specification
Authors: Jacob, Bernard
O'Brien, Eugene J.
Newton, William
Permanent link: http://hdl.handle.net/10197/4072
Date: 2000
Abstract: This is the second part of a two-part paper which addresses the issue of accuracy in weigh-in-motion (WIM) systems. The first part develops the statistical background necessary for any system of accuracy classification applied to a WIM system. This second part describes a draft European specification for the weigh-in-motion (WIM) of road vehicles, prepared by the COST 323 management committee. The philosophy behind the specification is outlined and the basic structure detailed. The specification gives an indication of what WIM accuracy might be achievable from sites with particular characteristics. There is a comprehensive review of methods of calibrating and testing WIM systems. Four types of calibration/test condition are described for tests using statically pre- or post-weighed vehicles. Accuracy classes are defined on the basis of the width of the confidence interval within which the measured results lie. Confidence interval widths arc specified for gross weights and weights of individual axles among other things. The percentage of test results which are required to fall within the confidence intervals is a function of the test conditions and the number of test runs. Examples using real WIM data illustrate the use of the specification.
Type of material: Journal Article
Publisher: Inderscience
Copyright (published version): 2007, Inderscience Enterprises Limited
Keywords: Axle load;Calibration of WIM systems;Heavy vehicles;Pavement conditions;Sensors;Weigh-in-motion;WIM;Specifications
DOI: 10.1504/IJHVS.2000.004831
Language: en
Status of Item: Peer reviewed
Appears in Collections:Civil Engineering Research Collection

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