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    Damage evaluation during installation of geosynthetics used in asphalt pavements

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    Identificadores
    URI: http://hdl.handle.net/10902/9706
    DOI: 10.1680/gein.14.00025
    ISSN: 1072-6349
    ISSN: 1751-7613
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    Author
    González-Torre Sánchez, IreneAutoridad Unican; Calzada Pérez, Miguel ÁngelAutoridad Unican; Vega Zamanillo, AngelAutoridad Unican; Castro Fresno, DanielAutoridad Unican
    Date
    2015-05-25
    Derechos
    © Thomas Telford (ICE Publishing)
    Publicado en
    Geosynthetics International Volume 21 Issue 6, December 2014, pp. 377-386
    Publisher
    Thomas Telford
    Enlace a la publicación
    http://www.icevirtuallibrary.com/journal/jgein
    Abstract:
    Geosynthetics are commonly used as anti-reflective cracking systems in asphalt pavements. The rehabilitation design methods use the characteristics of as-received geosynthetics as inputs. However, these materials undergo physical damage during their installation due to mechanical and thermal loads which currently are not taken into account in the design processes. These loads can produce a reduction in geosynthetic strength and therefore, it is necessary to know the secant modulus after installation in order to improve the pavement design incorporating these materials. The secant modulus of a material indicates its initial stiffness. This paper describes an experimental study of damage due to installation of five different geosynthetics using three different procedures: (i) mechanical damage induced in the laboratory considering the action of aggregates, (ii) in situ mechanical and thermal damage due to actual installation in a test section, and (iii) a new mechanical and thermal damage experimental test developed with the aim of reproducing the real installation conditions. The main results of the study indicate that the obtained secant modulus of the tested geosynthetics reduced after applying the three damage procedures, and the loss of properties differed depending on the type and constitutive material and on the applied damage procedure.
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    • D09 Proyectos de investigación [145]

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    UNIVERSIDAD DE CANTABRIA

    Repositorio realizado por la Biblioteca Universitaria utilizando DSpace software
    Contact Us | Send Feedback
    Metadatos sujetos a:licencia de Creative Commons Reconocimiento 3.0 España