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Testing of Bituminous Pavement Layers Reinforced with Fiberglass Grids

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F18%3APU128510" target="_blank" >RIV/00216305:26110/18:PU128510 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.5592/CO/CETRA.2018.937" target="_blank" >http://dx.doi.org/10.5592/CO/CETRA.2018.937</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.5592/CO/CETRA.2018.937" target="_blank" >10.5592/CO/CETRA.2018.937</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Testing of Bituminous Pavement Layers Reinforced with Fiberglass Grids

  • Original language description

    The usage of fiberglass grids in asphalt layers helps to restrain the crack propagation and thus can significantly improve pavement life time. The grids can be used in both new road constructions with decreased asphalt layer thickness and in road rehabilitations, respectively. Further, it can be used to decrease the road failure caused by settling of pavement construction in outer vehicle path of strengthened and widened old secondary road, which is a frequent type of pavement failure in the Czech Republic. However, the testing methods for evaluating grid effect and its bond condition to the surrounding asphalt layers differ. This paper presents the specimen preparation, specimen quality test and results of the four-point bending creep test performed on reinforced asphalt beams. The results are then compared with specimens without a fiberglass grid. The possible modes of failure are described and discussed. The test arrangement and loading procedure was adopted from the American standard ASTM D7460, where the specimens are loaded by a constant force and mildly oscillated. However, the four-point bending test cannot properly describe the real behaviour of fiberglass grid and asphalt in real road construction. The paper therefore mentions also an alternative test arrangement for better modelling and understanding of the grid contribution to the pavement.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20104 - Transport engineering

Result continuities

  • Project

    <a href="/en/project/TH01011292" target="_blank" >TH01011292: Research and application of new technologies of pavement structure construction and maintenance with lower thickness of bituminous layers</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Road and Rail Infrastructure V, Proceedings of the Conference CeTRA 2018

  • ISBN

    978-953-8168-25-3

  • ISSN

    1848-9850

  • e-ISSN

  • Number of pages

    8

  • Pages from-to

    1681-1687

  • Publisher name

    Tiskara Zelina

  • Place of publication

    Záhřeb, Chorvatsko

  • Event location

    Zadar

  • Event date

    May 17, 2018

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article

    000518218300213