2RuckelP J, Acott S M,Bowering R H.Foamed-asphalt paving mixtures: preparation of design mixes and treatment of test specimens[A].In: Asphalt materials, mixtures, construction, moisture effects and sulfur[R]. Washington, DC: Transportation Research Board (
3Lee D Y. Treating Marginal Aggregates and Soil with Foamed Asphalt[J]. Association of Asphalt Paving Technologists,1981,50.