| Bitumen surface energy characterization using a contact angle approach AW Hefer, A Bhasin, DN Little Journal of Materials in Civil Engineering 18 (6), 759-767, 2006 | 310 | 2006 |
| Adhesion in bitumen-aggregate systems and quantification of the effects of water on the adhesive bond AW Hefer Texas A&M University, 2004 | 230 | 2004 |
| A synthesis of theories and mechanisms of bitumen-aggregate adhesion including recent advances in quantifying the effects of water AW Hefer, DN Little, RL Lytton Journal of the association of asphalt paving technologists 74 (139), e196, 2005 | 159 | 2005 |
| Bitumen surface energy characterization by inverse gas chromatography AW Hefer, DN Little, BE Herbert Journal of Testing and Evaluation 35 (3), 233-239, 2007 | 31 | 2007 |
| Roughness of runways and significance of appropriate specifications and measurement S Emery, A Hefer, E Horak Proceedings of the 11th Conference on Asphalt Pavements for Southern Africa …, 2015 | 27 | 2015 |
| Flexible road pavement structural condition benchmark methodology incorporating structural condition indices derived from Falling Weight Deflectometer deflection bowls E Horak, A Hefer, S Emery, J Maina Journal of Civil engineering and Construction 4 (1), 1-14, 2015 | 16 | 2015 |
| Structural number determined with the falling weight deflectometer and used as benchmark methodology E Horak, J Maina, S Emery, A Hefer IEEE Proceedings Hong Kong, 2014 | 14 | 2014 |
| A method for consistent classification of materials for pavement rehabilitation design FJ Jooste, FM Long, A Hefer Modelling and Analysis Systems, Cullinan, South Africa.(study funded by …, 2007 | 12 | 2007 |
| Materials, Specifications, and Construction Techniques for Heavy-Duty Flexible Bases: Literature Review and Status Report on Experimental Sections A Hefer, T Scullion Texas Transportation Institute, Texas A & M University System, 2005 | 12 | 2005 |
| Technical Guideline TG2: bitumen stabilised materials: a guideline for the design and construction of bitumen emulsion and foamed bitumen stabilised materials D Collings, A Hefer, K Jenkins, F Johns Asphalt Academy, 2020 | 10 | 2020 |
| Towards quantification of adhesion and water stripping in bituminous materials using modern surface energy theory A Hefer, RD Little SATC 2005, 2005 | 10 | 2005 |
| Determination of pavement number for flexible pavements using FWD deflection bowl information E Horak, A Hefer, JW Maina Southern African Transport Conference, 2015 | 8 | 2015 |
| Revision of the South African pavement design method E Horak, JW Maina, I Van Wijk, A Hefer, G Jordaan, P Olivier, PW de Bruin Draft Contract Report SANRAL/SAPDM/B-2/2009-01, 2009 | 7 | 2009 |
| Surface chemistry at the bitumen-aggregate interface ME Labib, AW Hefer, DN Little Proceedings of the International Conference on Advanced Characterisation of …, 2007 | 7 | 2007 |
| Towards design guidelines for macadam pavements AW Hefer University of Pretoria, 1997 | 7 | 1997 |
| Cracking and staining of an airport asphalt F Netterberg, A Hefer, HD Preez Proceedings of the 10th conference on asphalt pavements for South Africa …, 2011 | 6 | 2011 |
| Modified Structural Number Determined from Falling Weight Deflectometer Deflection Bowl Parameters and Its Proposed Use in a Benchmark Methodology E Horak, A Hefer, J Maina Journal of Traffic and Transportation Engineering 3, 215-226, 2015 | 4 | 2015 |
| Development of a Pavement Performance Information System AW Hefer, FJ Jooste Project PB/2006/PBIS. Pretoria: SANRAL (South African Roads Agency), 2008 | 4 | 2008 |
| Bitumen-aggregate adhesion: A predictive study based on zeta potential analysis using the streaming potential technique B Nomlala, Z Mthembu, G Mturi, A Hefer Southern African Transport Conference, 2022 | 3 | 2022 |
| TG2 removes barriers and elevates the performance of Bitumen Stabilised Materials BSMs KJ Jenkins, DC Collings, FM Johns, AW Hefer, AH Greyling 12th conference on asphalt pavements for Southern Africa CAPSA, 668-687, 2019 | 3 | 2019 |
