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Some recent research on the hydraulic conductivity of road materials

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Original languageEnglish
Title of host publicationBearing Capacity of Roads, Railways and Airfields
Subtitle of host publicationProceedings of the 10th International Conference on the Bearing Capacity of Roads, Railways and Airfields (BCRRA 2017), June 28-30, 2017, Athens, Greece
EditorsAndreas Loizos, Imad Al-Qadi, Tom Scarpas
Place of PublicationLeiden, The Netherlands
Publisher or commissioning bodyCRC Press
Pages135-142
Number of pages8
ISBN (Electronic)9781315100333
ISBN (Print)9781138295957
DateAccepted/In press - 26 Jan 2017
DatePublished (current) - 12 Jun 2017

Abstract

Hydraulic conductivity is an important material parameter for pavement engineers. The ability to make a priori estimates of the coefficient of permeability of road pavement materials is very useful when studying issues of pavement durability and predicting pavement performance. This paper presents two laboratory databases assembled from data sourced from the literature. Using a database of permeability tests on fine-grained soils, the ability of the Kozeny-Carman void ratio function to interpret the data is examined alongside a simple power-law relationship. A second database of permeability measurements on asphalt concrete specimens is used to re-examine the ‘representative pore size’ concept as a method of predicting the coefficient of permeability. The influence of nominal maximum aggregate size (NMAS) on the coefficient of permeability is also studied.

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    Rights statement: This is the author accepted manuscript (AAM). The final published version (version of record) is available via Taylor & Francis. Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 778 KB, PDF document

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