Abstract
It is known that cement has been used as a stabilizing agent for the road pavement stabilization. However, it could cause an adverse effect of premature cracking on the road. Moreover, asphalt emulsion has been a famous agent for pavement stabilizing as well, even though it has revealed low deformation resistance. Therefore, this research aims to investigate resulting from the mixture of cement and asphalt emulsion, which is called cement-asphalt emulsion as a new stabilizing agent. This mixture provides more flexibility and waterproofing by using asphalt emulsion features, and high strength from cement. Cement-asphalt emulsion mortar; the mixture of Portland cement type I, cationic asphalt emulsion (CSS-1), and standard sand, were used as the study material. Cement-asphalt emulsion mortar was a various type of cement and asphalt emulsion ratios for the compressive strength test and flexural strength test. The test results presented that the compressive strength and the flexural strength decrease with an increase of asphalt emulsion. Ratio 4:1 (cement: asphalt emulsion) exhibited the highest compressive strength and the flexural strength at 7 days and 28 days testing with controlled relative humidity curing. This ratio then should be recommended to apply in pavement stabilization.
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