POTHOLES: - CSIR

APPENDIX BKey to THE identification of pothole repair measuresThe following key to the identification of pothole repair measures is provided to illustrate the potholetypes. It will require enlargement of some of the photographs to identify finer details.To use the key, one must start at the top left-hand box and sequentially follow the vertical numbering andhorizontal boxes until a repair technique is identified. These then refer to the process described in themain text (Section 4.5).1Surfacing isasphaltSurfacing is thinbituminous seal234....………. > 2Pothole isdeeper thanasphalt wearingcourse....………….> 3Pothole causedby cracking dueto fatigue ofasphaltDeep repair aftersub-soil drainageinstallationPothole hasexposed anunstabilised base....…………. > 4Bottom of potholeis within asphaltwearing-courseShallow asphalt(HMA or CMA)Pothole caused bylocalised surfacewater ingress withno associatedcrocodile crackingMedium-depthasphalt repairPothole hasexposed astabilised base5....………….> 5Pothole is notassociated withcracks..…………. > 10Pothole isassociated withcracks....………. > 6…....………. > 846