Loading...
An approach to the management of road deterioration on national route 12 between Beaufort West and Klaastroom, Western Cape, South Africa
Author(s)
Mkoka, Msawenkosi
Date Issued
2026
Type
master thesis
Publisher
Cape Peninsula University of Technology
Abstract
The present National Route 12 road (classified as the TR33/5) between Klaarstroom and Beaufort West in the Western Cape Province, South Africa, shows rapid deterioration. The road falls under the Western Cape Provincial Roads’ jurisdiction. The deterioration is evident on the road pavement through surface deformation, severity in cracking, and surface disintegration. Road pavement is defined as the entire structure of the roadway regardless of type or composition, including stabilised subbase and all the layers of construction, including the final wearing course and embankments. The deterioration of the road pavement affects the condition of the vehicles using it, thus increasing motorists’ maintenance costs, and possibly leading to fatal incidents. This research study thus sets out to develop a risk management approach to identify, evaluate, and manage different types of road distress on the TR33/5 road. The study employed a mixed methods approach using both quantitative and qualitative data from the Western Cape Provincial Government, such as climate conditions, historical imagery, Conditional Survey Report data, Material Investigation Report data, traffic volume data, and any environmental factors. An integrated risk management approach aligned with ISO 31000:2018, incorporating quality tools such as gap analysis, an Ishikawa diagram, 5 Whys technique, and Failure Mode Effects Analysis (FMEA) was followed. A pilot study was conducted on Jakes Gerwel Drive, one of the City of Cape Town roads, to test for validity of this study. After integrated risk management analysis, the National Route 12 was found to be 28 years old, and without adequate maintenance to prolong the design life, which resulted in moisture entering through the surface, causing supporting layer deterioration, despite the traditional means of repair. The current method used for the preventative maintenance of the road surface, which involves using cold mix asphalt to repair pavement deterioration, is not entirely adequate. Introduction of infrared asphalt road repair maintenance is the recommended solution to overcome pavement deterioration on the TR33/5 road, and this study recommends that this solution should be implemented in South African roads as a whole. The study also recommends the implementation of industrial engineering management tools in the civil engineering management industry.
File(s)![Thumbnail Image]()
Loading...
Name
Mkoka_M_214198308 (1).pdf
Size
3.71 MB
Format
Adobe PDF
Checksum
(MD5):b3d5e448e768311c11c53306dbf54a77