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Lookup NU author(s): Professor John Knapton, Professor Ian Cook
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This paper describes the research and case study evaluations that have led to an understanding of the behaviour of discrete element paving systems, that is, pavements surfaced with units manufactured from concrete, clay or natural stone. The results of this research have been used to develop a Total Quality Chart that allows its user to identify those factors that need special attention and to ensure that the pavement is specified to avoid failure. The Chart can be used in design and maintenance of a pavement surfaced with discrete elements. Case studies are presented for seven projects that have underperformed and for two projects that have performed well. These case studies are used to define the factors that commonly lead to failure. As well as the usual technical inputs to the specification procedure, the Total Quality Chart also includes an appraisal of any unusual environmental conditions that might prevail. It also takes into account the location of the project and the perception of the project by the general public. By integrating these 'soft' factors with the traditionally applied technical factors, the paper shows how a pavement can be guaranteed to perform to the client's requirements. It is concluded that an understanding of the way in which pavers behave has resulted from an effective collaboration between academia and industry.
Author(s): Knapton J, Cook I
Publication type: Article
Publication status: Published
Journal: Proceedings of the Institution of Civil Engineers: Transport
Year: 2002
Volume: 153
Issue: 1
Pages: 13-23
ISSN (print): 0965-092X
ISSN (electronic): 1751-7710
Publisher: ICE Publishing
URL: http://dx.doi.org/10.1680/tran.2002.153.1.13
DOI: 10.1680/tran.2002.153.1.13
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