Surface moduli determined with the falling weight deflectometer used as benchmarking tool

dc.contributor.authorHorak, Emile
dc.contributor.emailemile.horak@up.ac.zaen
dc.date.accessioned2007-12-10T11:09:13Z
dc.date.available2007-12-10T11:09:13Z
dc.date.issued2007-07-09
dc.description.abstractA semi-mechanistic semi-empirical analysis technique has been developed in South Africa whereby deflection bowl parameters, measured with the falling weight Deflectometer (FWD), are used in a relative benchmarking methodology in conjunction with standardised visual survey methodology to give guidance on individual layer strengths and pinpoint rehabilitation needs. This benchmarking methodology can be enhanced by the use of calculated surface moduli based on the use of Boussinesq's equations. The calculation of such surface moduli can be enhanced by determining the gradient of the surface moduli an correlated with the subgrade layer and the elastic response characteristics. Such benchmark calculations are done without complicated and detailed multi-layered linear elastic modelling and software and enables the determination of the relative structural condition of pavement without detailed as-built data being required.en
dc.format.extent423353 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.citationHorak, E. 2007. Surface moduli determined with the falling weight deflectometer used as benchmarking tool. SATC 2007: The 26th Annual Southern African Transport Conference and Exhibition, Pretoria, South Africa, 9-12 July 2007en
dc.identifier.isbn192001702X
dc.identifier.urihttp://hdl.handle.net/2263/4032
dc.language.isoenen
dc.publisherDocument Transformation Technologiesen
dc.rightsUniversity of Pretoriaen
dc.subjectSurface modulien
dc.subjectDeflectometeren
dc.subjectBenchmarking toolen
dc.subjectFWDen
dc.subjectPavementen
dc.subject.lcshTransportation -- Congressesen
dc.subject.lcshPavements -- Quality control -- Congressesen
dc.subject.lcshBenchmarking (Management)en
dc.subject.lcshCivil engineering -- Researchen
dc.titleSurface moduli determined with the falling weight deflectometer used as benchmarking toolen
dc.typeTexten

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