Austroads surface dressing design methodology

Traffic Chip. Bin. Chip. Bin. Chip. Bin. Chip. Bin. Chip. Bin. 

Source Roberts, C. and Nichoiis, J.C., Design Guide for Road Surface Dressing. TRL Road Note RN 39,6th Edition. Crowthorne, UK Transport Research Laboratory, 2008. 

Note Chip., size of chipping, referring to D/d. Bin., binder rate of spread (bitumen emuision). 

Polymer-modified bituminous emulsion is preferred in those conditions. 

Traffic category Chip. mm 1st 2nd Chip. mm 1st 2nd Chip. mm 1st 2nd Chip. mm 1st 2nd Chip. mm 1st 2nd 

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