Modeling Mechanical Properties of Cement Asphalt Emulsion Mortar with Different Asphalt to Cement Ratios and Temperatures
Publication: Journal of Materials in Civil Engineering
Volume 30, Issue 10
Abstract
The compressive strength and elastic modulus of cement asphalt emulsion mortar (CAM) are two fundamental parameters of material design, and their values are highly dependent on asphalt:cement mass ratio (A/C) and temperature. However, there are few quantitative studies about the effect of A/C and temperature on the mechanical properties of CAM. This paper studies the compressive strength and elastic modulus of CAM with varied A/C at different temperatures. A physical and mathematic model is proposed to relate the compressive strength and elastic modulus of CAM to asphalt:cement volume ratio () and temperature. The proposed model calculates the compressive strength (or elastic modulus) of CAM by the compressive strength (or elastic modulus) of cement mortar, , and a parameter . The parameter is related to the rigidity and adhesive ability of asphalt binder, and it has a linear relationship with temperature. The proposed model can accurately predict the mechanical properties of CAM with different and temperatures, and thus it provides a good method to study the mechanical properties of CAM. The limitations of the proposed model are discussed.
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Acknowledgments
The first author thanks the funding supported from the National Science Foundation of China (51608096) and the Fundamental Research Funds for the Central Universities (DUT17RC(4)16).
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Published In
Journal of Materials in Civil Engineering
Volume 30 • Issue 10 • October 2018
Copyright
©2018 American Society of Civil Engineers.
History
Received: Jan 7, 2018
Accepted: Apr 25, 2018
Published online: Jul 23, 2018
Published in print: Oct 1, 2018
Discussion open until: Dec 23, 2018
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