OJCE  Vol.5 No.3 , September 2015
Sintered Calcined Clay as an Alternative Coarse Aggregate for Asphalt Pavement Construction
Abstract: The aim of this study is to search for a substitute for the natural coarse aggregate in various regions of the world, such as Amazon-Brazil, where this type of material is lacking. The asphalt binder AC 50/70 is mixed with an aggregate obtained from the sinterization of a calcined clay (SACC) as a possible alternative to coarse aggregate material for the construction of asphalt pavements in tropical zones. The dynamic modulus |E*| of this mixture was measured under strain control mode and in tension control mode. The results are compared with those obtained from AC 50/70 mixed with pebbles, which is currently used as the coarse aggregate in this region. For pavements that work at high temperatures, such as 40, and low frequencies, the mixture with SACC appears to be a viable alternative to coarse aggregate material for the construction of asphalt pavements in tropical zones.
Cite this paper: da Silva, C. , da Frota, H. and da Frota, C. (2015) Sintered Calcined Clay as an Alternative Coarse Aggregate for Asphalt Pavement Construction. Open Journal of Civil Engineering, 5, 281-288. doi: 10.4236/ojce.2015.53028.

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