Indirect Tensile Stiffness and Permanent Deformation of Microwave Treated Cold Bituminous Emulsion Mixtures (CBEMS) Containing Cementitious Activated Waste Fly Ash
The mechanical properties in terms of indirect tensile stiffness modulus (ITSM) properties and permanent deformation of CBEMs containing new cementitious materials made from activated blend of waste fly ash and inert Limestone filler were investigated. CBEMs were prepared with these fillers, and then these mixtures were subjected to microwave treatment at four treatment time and high power level. The aim was to identify the influence of microwave treatment on the mechanical properties and identify the microwave suitable application time ranges.
The papers reports that microwave treatment has significantly improved the indirect tensile stiffness and permanent deformations resistance of all the mixes studied and shows that the mixtures containing the new developed cementitious filler provide high quality materials in terms of both stiffness and deformation resistance which are acceptable by road engineers. More importantly, the new fast curing cold mix asphalt is satisfying the current British standard.
KeywordsCold mix asphalt Bituminous emulsion Treated fly ash Indirect tensile stiffness Creep of cold mix asphalt
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