Nonlinear elastic behavior of bitumen emulsion-stabilized materials with C&D waste aggregates
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Nonlinear elastic behavior of bitumen emulsion-stabilized materials with C&D waste aggregatesDate
2015Citation
GÓMEZ-MEIJIDE, B.; PÉREZ, I. Nonlinear elastic behavior of bitumen emulsion-stabilized materials with C&D waste aggregates. Construction and Building Materials, 2015, vol. 98, pp. 853-863. ISSN 0950-0618. DOI: http://dx.doi.org/10.1016/j.conbuildmat.2015.07.004
Abstract
[Abstract:] In this study, the nonlinear elastic behavior of bitumen-stabilized materials with emulsion (BSM-E)1 with recycled aggregates from construction and demolition (C&D)2 waste was analyzed using dynamic triaxial tests. Different prediction models were fitted to the experimental resilient modulus, the Mohr–Coulomb envelopes were obtained, and the Huurman’s model was fitted to the experimental creep data to provide the necessary parameters for eventual numerical simulations. The results show that mixtures with C&D aggregates are more flexible, have better resistance to permanent deformation, and similar failure stress compared with mixtures with natural aggregates. However, they needed a higher water and bitumen content.
Keywords
Bitumen-stabilized materials with emulsion
Construction and demolition waste
Nonlinear elastic behavior
Resilient modulus
Mohr–Coulomb envelope
Permanent deformation
Construction and demolition waste
Nonlinear elastic behavior
Resilient modulus
Mohr–Coulomb envelope
Permanent deformation
Editor version
ISSN
0950-0618