Author:Mitchell, MF; Semmelink, CJ; McQueen, ALDate:Jun 1977For some time road engineers have been concerned that the variability inherent in road construction materials and their sampling and testing has not been logically and consistently catered for in the road construction process or in construction ...Read more
Author:Semmelink, CJ; Groenewald, M; Du Plessis, EDate:Mar 1994The report deals with the site investigations in connection with the compaction standards, that is a comparison between actual in situ dry densities achieved compared to specification requirements, for road layer work for the periods 91/92, ...Read more
Author:Semmelink, CJDate:26 May 2009This report briefly discusses the theoretical background of the K-mould, its development and the results obtained with it on a number of untreated road building materials.Read more
