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Title: C-φ characterization model for design of asphalt mixtures and asphalt pavements
Authors: Fwa, T.F. 
Tan, S.A. 
Keywords: Asphalt mixtures
Elastic modulus
Friction angle
Mix design
Pavement design
Rutting prediction
Triaxial test
Issue Date: Mar-2005
Citation: Fwa, T.F.,Tan, S.A. (2005-03). C-φ characterization model for design of asphalt mixtures and asphalt pavements. Journal of ASTM International 2 (3) : 121-134. ScholarBank@NUS Repository.
Abstract: This paper reports the results of a research effort initiated in the early 1990s to develop a C-φ (cohesion-angle of friction) characterization model for the design of asphalt mixtures and asphalt pavements. It is demonstrated that, since the model is based on the fundamental material properties represented by C and φ, it can derive analytically other asphalt mix design parameters such as Marshall stability and flow, and indirect tensile strength. The C-φ characterization model therefore offers a useful basis for the development of a comprehensive design framework that integrates asphalt mix design with asphalt pavement structural design. To demonstrate this capability, the research developed an empirical-mechanistic rutting prediction model of asphalt pavement layer using the C-φ characterization model. In addition, the model allows stresses and strains under design loading to be computed, which can be applied as input to structural analysis for asphalt material selection and pavement thickness design. Copyright © 2005 by ASTM International.
Source Title: Journal of ASTM International
Appears in Collections:Staff Publications

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