The development of improved road tar binders from indigenous coal tars and aspects of their use

Abstract

The thesis deals with the development of improved road tarbinders in South Africa and their application in surface treatments and in mixes used for pavement wearing courses and base courses in this country. This work is timely in view of the country's current economic problems. Locally produced tarbinders are considerably less expensive than bitumen binders in inland areas; tar being produced in the Witwatersrand complex whereas locally refined bitumen is produced from imported crude oil. The annual expenditure on bitumen by the South African road industry is currently of the order of R26 000 0 0 0. However, previously it had been found that tarbinders were less durable than bitumen. [Abbreviated Abstract. Open document to view full version]

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Thesis (Ph.D. (Engineering))--University of the Witwatersrand, Engineering Faculty (Civil Engineering), 1977

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Jamieson, Ian Laurence (1977) The development of improved road tar binders from indigenous coal tars and aspects of their use, University of the Witwatersrand, Johannesburg <http://hdl.handle.net/10539/23391>

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