oa Civil Engineer in South Africa - Some recent developments in the use of rubber for road and airport pavement maintenance

Volume 23, Issue 1
  • ISSN : 0009-7845



Rubberized bitumen has been found to perform remarkably well as a pavement maintenance and rehabilitation material in the USA in recent years. The new material differs substantially in composition from earlier compounds of this type which had performed in essentially the same manner as unmodified bitumen. This paper describes the new material and its use, briefly referring to the USA experience with rubberized bitumen, and indicates potential applications in southern Africa.

Rubberbehandelde bitumen is in onlangse jare met merkwaardige sukses in die VSA gebruik vir die instandhouding en rehabilitasie van plaveisels. Die nuwe materiaal verskil aansienlik van bitumen-rubber mengsels wat in vroeër jare gebruik is en wat geen noemenswaardige verskil in werkverrigting bo skoon bitumen getoon het nie. Hierdie referaat beskryf die nuwe materiaal en die gebruik daarvan, verwys kortliks na ondervinding in die VSA met rubberbehandelde bitumen en dui moontlike toepassings in suidelike Afrika aan.

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