Author:O'Connell, Johannes S; Anochie-Boateng, Joseph; Marais, HDate:Aug 2010In South Africa, crumb tyre-modified bitumen commnly known as bitumen-rubber binder has viscosity limits specified by the current edition of TG1: The Use of Modified Bituminous Binders in Road Construction. As the crumb rubber is 'digested', ...Read more
Author:Denneman, E; Marais, H; Sadzik, ESDate:Jul 2008The Marshall method is still the method of choice for the design of Hot-Mix Asphalt (HMA) in South Africa. During the validation of a HMA mix design, considerable variability was encountered in Marshall test results for the same mix supplied ...Read more