Abstract
The cold asphalt emulsion mixture CAEMs is a mixture consisting of asphalt emulsion with aggregate mixed at room temperature. CAEMs is the most preferred layer in recent times as it is most safe in terms of the lack of environmentally friendly and healthy volatile fumes. Many studies have demonstrated that silica fume has significant effects in improving the engineering properties of asphalt binder and mixture.Several requirements were conducted on compacted modified CAEMs with silica fume during the practical program of this research, such as Marshall stability test, density, air voids, indirect tensile strength (exposed to freezing and thawing conditions and not exposed to it and the effect of moisture in addition to non-destructive examination using sound waves. Results of this study prove that using silica fume improved the behavioral properties of cold mix. Higher Marshall Stability (100%), Higher tensile strength(219%) than the conventional mixture( without additives) and had a positive effect on the resistance to freezing and thawing condition.
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