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Browsing by Author "Johannes, PT"

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A benchmarking study of anionic bitumen emulsion properties for slurry seals

Author: Hawes, Nomashaka BN ; Johannes, PT ; Hlangothi, P ; Mturi, George AJ Date: Oct 2019 Bitumen emulsions are the most commonly used bituminous products for roads in Southern Africa because they are relatively inexpensive to apply, in comparison with hot bituminous binders. Although there have been great strides taken in the ... Read more
Current developments in performance testing of bituminous emulsions used in chip seals

Author: Johannes, PT ; Bahia, HU ; Mturi, George AJ Date: Aug 2015 The use of bitumen emulsions in surface treatments has become prevalent due to advancements in emulsifier development, formulation techniques, and design of surface treatments. However, current practice for testing and selecting emulsion ... Read more
Evaluation of the suitability of the automated mixing test in determining the workability of slurry surfacing mixes

Author: Johannes, PT ; Bahia, HU ; Mturi, George AJ Date: Oct 2019 Slurry seals and micro-surfacing systems are widely used as primary surface treatments for extending pavement life and restoring the serviceability function of structurally adequate pavements. Beside their prevalent use, current test methods ... Read more

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Browsing by Author "Johannes, PT"

Browsing by Author "Johannes, PT"

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