Hanekom, A.C.Horak, EmileSouthern African Transport Conference (20th : 2001 : Pretoria, South Africa)2008-11-132008-11-132001-07Hanekom, AC, Horak, E & Visser, AT 2001, 'Results of pilot study investigation into aggregate interlock load transfer efficiency at joints in concrete pavements', Paper presented to the 20th Annual South African Transport Conference, South Africa, 16 - 20 July.0620277653http://hdl.handle.net/2263/7914This paper was transferred from the original CD ROM created for this conference. The material on the CD ROM was published using Adobe Acrobat technology. The original CD ROM was produced by Document Transformation Technologies Postal Address: PO Box 560 Irene 0062 South Africa. Tel.: +27 12 667 2074 Fax: +27 12 667 2766 E-mail: doctech@doctech.co.za URL: http://www.doctech.co.zaPaper presented at the 20th Annual South African Transport Conference 16 - 20 July 2001 "Meeting the transport challenges in Southern Africa", CSIR International Convention Centre, Pretoria, South Africa.This paper presents a limited aspect of an investigation into existing methods for modelling aggregate interlock shear transfer in jointed concrete pavements in order to determine a fundamental model reflecting variations in joint load transfer with joint opening, load magnitude, subbase characteristics, and concrete properties. It presents the evaluation of the results of the investigation into deflection load transfer efficiency due to aggregate interlock across a joint in a 35 MPa concrete slab with 19 mm granite aggregate, subjected to simulated 20 kN dynamic wheel loads. The test set-up and methodology used to obtain relevant load, deflection and temperature data are described, together with an analysis of data and comparison with results obtained from analytical formulae and/or modelling with existing finite element method (FEM) software.enUniversity of PretoriaJointed concrete pavementsLoad transfer efficiencyGranite aggregateAggregate interlock shear transferTransportation -- South Africa -- CongressesAggregates (Building materials) -- CongressesPavements, Concrete -- Joints -- CongressesFinite element method -- Computer programs -- CongressesPresentation