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Browsing by Author "Verhaeghe, Benoit MJA"

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Aggregate packing characteristics of good and poor performing asphalt mixes

Author: Denneman, E ; Verhaeghe, Benoit MJA ; Sadzik, ES Date: Jul 2007 The aggregate structure of the compacted mix is a determining factor for the performance of Hot-Mix Asphalt (HMA). In this paper, the grading characteristics of good and poor performing HMA mixes are explored using the concepts of the Bailey ... Read more
Asphalt rutting and its prevention

Author: Verhaeghe, Benoit MJA ; Myburgh, PA ; Denneman, E Date: Sep 2007 The paper seeks to redress the concerns expressed at the eight Conference on Asphalt pavements for Southern Africa (CAPSA) that the design of hot-mix asphalt did not adequately address prevention of rutting. It presents a consolidation of ... Read more
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
Climate change adaptation in the African roads sector: Constraints, opportunities and policy challenges

Author: Maritz, Johan ; Arnold, Kathryn A ; Roux, Michael P ; Le Roux, Alize ; Verhaeghe, Benoit MJA Date: Oct 2019 Roads play a vital role in strengthening the socio-economic development of regions in sub-Saharan Africa by providing local communities with critical connections between essential market points, service towns and infrastructure. To enhance ... Read more
Climate change adaptation in the African roads sector: Constraints, opportunities and policy challenges [poster]

Author: Maritz, Johan ; Arnold, Kathryn A ; Roux, Michael P ; Le Roux, Alize ; Verhaeghe, Benoit MJA Date: Oct 2019 Roads play a vital role in strengthening the socio-economic development of regions in Sub-Saharan Africa by providing local communities with critical connections between essential market points, service towns and infrastructure. The United ... Read more c b
CSIR’s contribution to the development of innovative technologies and solutions for enhanced road system performance

Author: Verhaeghe, Benoit MJA ; Maina, J ; Paige-Green, P ; De Beer, Morris ; Du Plessis, L Date: 01 Sep 2010 Road infrastructure is a key driver in supporting and stimulating socio-economic development. The South African road network, similar to those of other countries, needs to accommodate a wide spectrum of roads, ranging from light road pavement ... Read more
Design and construction of sustainable climate resilient rural access road infrastructures

Author: Komba, Julius J ; Langa, R ; Paige-Green, P ; Verhaeghe, Benoit MJA ; Mokoena, Refiloe Date: Dec 2021 The chapter is organized and structured as follows; the introduction section is followed by an overview of climate change-related challenges affecting Mozambique. The study methodology (approach) is then described, followed by a discussion ... Read more
Development of a practical field method for the determination of elastic recovery of modified binders.

Author: Airey, GD ; Rust, FC ; Verhaeghe, Benoit MJA Date: Oct 1994 Elastic recovery of a binder is one of the properties which is used to control the quality of the binder in road construction. The laboratory equipment used to determine elastic recovery is generally too expensive and bulky for standard usage ... Read more
Effect of sample geometry on bulk relative density of hot-mix asphalt mixes

Author: Anochie-Boateng, Joseph ; Komba, Julius J ; Ventura, D ; Verhaeghe, Benoit MJA Date: Sep 2011 This study emanated from the revision of South African mechanistic-empirical pavement design method. At the CSIR road pavement laboratory, the bulk relative density (BRD) of compacted hot-mix asphalt (HMA) mixes is determined on cores and ... Read more
Embedment of climatic effects in the road asset management process

Author: Roux, Michael P ; Verhaeghe, Benoit MJA ; Maritz, Johan ; Arnold, Kathryn A ; Le Roux, Alize Date: Oct 2019 The United Nations Environmental Programme describes the African continent as a ‘vulnerability hotspot’ for climate change. During the past four decades African countries have experienced more than 1 500 recorded weather-related disasters. ... Read more
Enhanced road functionality with porous asphalt on the Ben Schoeman Highway

Author: De Kock, TJ ; Joubert, ZF ; Verhaeghe, Benoit MJA ; Rust, FC Date: Oct 1994 The degree to which a road is capable of accommodating traffic is dependent on functionality and economics. The higher the traffic the greater the challenge. Porous asphalt is currently one of the best alternatives to meet functionality ... Read more
Evaluation of six modified binders for retardation of crack reflection through laboratory studies and field work.

Author: Rust, FC ; Coetser, K ; Verhaeghe, Benoit MJA Date: Aug 1992 Large amounts of money are spent annually on sealing or overlaying cracked road pavements, however, the reflection of cracks through these materials is a problem experienced worldwide. In countries with well-developed road infrastructures ... 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
Fatigue and deformation characteristics of large-aggregate mixes for bases.

Author: Verhaeghe, Benoit MJA ; Rust, FC ; Airey, GD ; Vos, RM Date: Oct 1994 As part of a study conducted for Sabita on Heavy Duty Asphalt Pavements (HDAPs), the CSIR Division of Roads and Transport Technology developed a comprehensive and practical mix design method for large-aggregate mixes. In this paper, a framework ... Read more
Fatigue and rutting performance of conventional asphalt and bitumen-rubber asphalt under accelerated trafficking.

Author: Rust, FC ; Harvey, JT ; Verhaeghe, Benoit MJA ; Noakes, W ; Van Kirk, J Date: Oct 1994 The Californian Department of Transportation commissioned a pilot project to evaluate the potential of the Heavy Vehicle Simulator (HVS) for conduction pavement studies. The effect of channelisation of traffic on the rutting behaviour of a ... Read more
A framework for assessing the risks and impacts of rural access roads to a changing climate

Author: Le Roux, Alize ; Khuluse-Makhanya, Sibusisiwe ; Arnold, Kathryn A ; Engelbrecht, Francois ; Paige-Green, P ; Verhaeghe, Benoit MJA Date: Aug 2019 African communities are worst affected by climate-related natural disasters, in part due to high socio-economic vulnerability, natural resource dependency and low adaptive capacity. Climate resilient road infrastructure in rural areas is ... Read more
Heavy vehicle simulator testing of trial sections for CALTRANS.

Author: Rust, FC ; Du Plessis, L ; Verhaeghe, Benoit MJA ; Grobler, JE Date: Oct 1993 Internationally, interest in accelerated pavement testing (APT) is increasing, in particular testing with mobile machines which allow the performance of in-service roads to be assessed. The Californian Department of Transportation (CALTRANS) ... Read more
High modulus asphalt (EME) technology transfer to South Africa and Australia: shared experiences

Author: Denneman, E ; Petho, L ; Verhaeghe, Benoit MJA ; Komba, Julius J ; Steyn, W ; Vos, R ; Distin, T ; Myburgh, P ; Beecroft, A ; Griffin, J Date: Aug 2015 The paper describes experiences with the implementation of French enrobés à module élevé (EME) (high modulus asphalt) technology in South Africa and Australia. Tentative performance specifications for EME mixes were set in the two countries ... 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
Making Africa’s roads more resilient to climate change

Author: Paige-Green, P ; Verhaeghe, Benoit MJA Date: Oct 2018 The inevitable impacts of climate change on the already stressed low volume rural road networks in Africa will have dire consequences in many countries. These networks generally suffer from a lack of appropriate construction standards and ... Read more

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