Supplementary Files
Keywords
asphalt mixtures
static and dynamic laboratory tests
How to Cite
Abstract
In this article we present the results oflaboratory tests to evaluate the effectof the aged asphalt (short term) onthe static and dynamic performanceof asphalt mixtures type MDC-2. Thisaging is the one that occurs during theprocesses of production and constructionof the asphalt mixture. The 80-100 asphalt was aged by the RollingThin Film Oven test (RTFO); thespecimens of asphalt mixtures weremade to determine their mechanicalproperties with static and dynamictests. Mixtures made with originaland aged asphalt were tested. In agreementwith the results of the tests, thestatic behavior of both mixtures (originaland aged) is different. The stabilityof the mixture with aged asphalt hadan increase of 18% compared with theincrease in the original asphalt. Thedynamic behaviour of the two mixtureswas different for the dynamic axialmodulus tests (differences of 10,5%)and for the indirect tension resilientmodulus test (differences of 21%) forthe same frequency and temperatura.In the test of permanent deformationof the asphalt mixture to repetitiveaxial loading the mixture made withaged asphalt had a lower permanentdeformation (34%) compared withthe original mixture. The results ofthe fatigue tests for both mixtureswere similar.
BSI (National Standards Body of the UK). BS EN 12697-24:2004. Bituminous mixtures. Test methods for hot mix asphalt. Fatigue. Londres: BSI, 2004.
BSI (National Standards Body of the UK). BS EN12697 A. Uniaxial ciclic compresion test. Londres: BSI, 2004.
HUSAIN, U. y ANDERSON, D. The pressure Aging Vessel PAV: A test to simulate rheological changes due to field aging. American Society of testing Materials, 1994.
HVEEM, F. N.; ZUBE, E. y KOG, J.S Proposed new test and specifications for paving grade asphalt. Journal of Association of Asphalt Paving Technologist. 1963, vol. 32, pp. 271-327.
INVÍAS-Instituto Nacional de Vías. Normas de ensayos de materiales para carreteras. Bogotá: Invías, 2007, vols. 1 y 2.
MALLICK, R. y BROWN, E. An evaluation of superpave binder aging methods. The international Journal of Pavement Engineering. 2004, vol. 5, núm. 1, pp 9-18.
MONTEPARA, A. y GIULIANI, F. Comparison between ageing simulation test of road bitumen. Proc. 2nd Eurasphalt and Eurobitume Congrees. Session 1: Performance Teting and Specifications for Binder and Mixtures. Barcelona, 2000. pp. 398-405.
TAVERA, A. Manual de instalación, operación, mantenimiento y montaje de los ensayos para el equipo NAT. Bogotá: Pontificia Universidad Javeriana, 2002.
This journal is registered under a Creative Commons Attribution 4.0 International Public License. Thus, this work may be reproduced, distributed, and publicly shared in digital format, as long as the names of the authors and Pontificia Universidad Javeriana are acknowledged. Others are allowed to quote, adapt, transform, auto-archive, republish, and create based on this material, for any purpose (even commercial ones), provided the authorship is duly acknowledged, a link to the original work is provided, and it is specified if changes have been made. Pontificia Universidad Javeriana does not hold the rights of published works and the authors are solely responsible for the contents of their works; they keep the moral, intellectual, privacy, and publicity rights.
Approving the intervention of the work (review, copy-editing, translation, layout) and the following outreach, are granted through an use license and not through an assignment of rights. This means the journal and Pontificia Universidad Javeriana cannot be held responsible for any ethical malpractice by the authors. As a consequence of the protection granted by the use license, the journal is not required to publish recantations or modify information already published, unless the errata stems from the editorial management process. Publishing contents in this journal does not generate royalties for contributors.