| 摘要 |
A method for treating a gravel road by applying to the roadway a layer of gravel, whereupon a dust binding emulsion is spread over the layer of gravel, whereupon the dust binding emulsion is immediatly mixed with the layer of gravel, whereupon the roadway is compacted, the dust binding emulsion consisting of: 20-40 % bitumen, 0.1-0.3 % emulsifier, 1-4 % light flux, 60-80 % water and 0.1-0.3 % adhesive, said dust binding emulsion being prepared by a stock emulsion consisting of: 40-80 % bitumen, 0.2-0.6 % emulsifier, 2-8 % light flux, 30-40 % water and 0.2-0.6 % adhesive being mixed with substantially equal parts of water.
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