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Browsing by Subject "Fatigue cracking"

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Bitumen rubber asphalt mix testing for South African pavement design method

Author: Anochie-Boateng, Joseph ; Denneman, E ; Verhaeghe, Benoit MJA Date: Jul 2011 The South Africa National Road Agency Ltd has entered into a research and laboratory testing agreement with the CSIR to support the revision of the South African Pavement Design Method (SAPDM). The research includes characterising a bitumen-rubber ... Read more
Effects of layer interface slip on the response and performance of elastic multi-layered flexible airport pavement systems

Author: Maina, JW ; De Beer, Morris ; Matsui, K Date: Aug 2007 In this study, the effect of layer interface slip rate on the critical responses such as (primary) tensile strains as well as strain distortion energies for a flexible runway pavement structure is examined based on strain energy of distortion. ... Read more
Evaluation of the use of polymer modified bitumen in the production of high modulus asphalt for heavily-trafficked roads

Author: Komba, Julius J ; Verhaeghe, Benoit MJA ; O'Connell, Johannes S ; Anochie-Boateng, Joseph ; Nortje, W Date: May 2015 Enrobé à Module Élevé (EME) technology, a High Modulus Asphalt (HiMA), has been introduced to South Africa to provide an optimum solution for the design and construction of heavily trafficked roads. Implementation of EME technology in South ... Read more
Forensic investigation into the performance of hot-mix asphalt

Author: Denneman, E ; Sadzik, ES Date: May 2008 The discussion in this paper is based on the outcome of a detailed forensic investigation on the performance of Hot-Mix Asphalt (HMA) on five road sections in the Gauteng province. The investigation forms part of a larger project to improve ... Read more
Long-term pavement performance monitoring and the revision of performance criteria for high modulus asphalt in South Africa

Author: Komba, Julius J ; Anochie-Boateng, Joseph ; O'Connell, Johannes S ; Verhaeghe, Benoit MJA Date: Sep 2016 Enrobé à Module Élevé (EME) technology, a High Modulus Asphalt (HiMA), was originally developed in France. The technology is primarily suitable for construction of heavily trafficked routes, airports and container terminals. The key performance ... Read more
Method to determine full work of fracture from disk shaped compact tension tests on hot-mix asphalt

Author: Denneman, E Date: Aug 2010 Fatigue cracking is an important mode of failure in hot-mix asphalt (HMA). As part of the revision of the South African pavement design method (SAPDM) a need was identified to assess the fracture toughness of HMA in terms of fracture energy. ... Read more

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Browsing by Subject "Fatigue cracking"

Browsing by Subject "Fatigue cracking"

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