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Title: A condition assessment approach for highway filter drains using ground penetrating radar
Authors: Stylianides, Theodoros
Frost, Matthew W.
Fleming, Paul R.
Mageean, Mark
Huetson, Andrew
Keywords: Highway filter drains
Ground penetrating radar
Condition assessment
Permeability
Fouling Index
Issue Date: 2016
Publisher: © The Author. Published by Elsevier
Citation: STYLIANIDES, T. ...et al., 2016. A condition assessment approach for highway filter drains using ground penetrating radar. Procedia Engineering, 143, pp. 1226-1235.
Abstract: The deterioration of highway filter drains (HFDs) is driven by the intrusion of foreign particles within the drainage trench. Being a porous material that offers high water removal capacity at the beginning of its service life, the drainage performance of the backfill can be significantly reduced in time by the introduced fouling material. This poses a serious safety hazard for road users (standing water on the carriageway), and can potentially have an effect in the structural capacity of the pavement. With currently limited approaches to methodically evaluate the physical condition of such assets, the Ground Penetrating Radar (GPR) offers an effective, non-destructive and continuous way to achieve this at both the project and network level. The laboratory calibration study carried out to support its adoption in a condition assessment system, builds upon the evaluation of a HFD-specific condition index aligned to permeability trials and the extraction of dielectric properties of the granular backfill material at different fouled states. The paper thus discusses what kind of HFD distress information are to be collected (condition data) and how this can be achieved (data collection methods), and defines four distinctive HFD media condition bands (Excellent to Very Poor) based on the proposed free voids ratio (RVF) ranges and extracted relative permittivity values.
Description: This is an open access paper published by Elsevier and distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International CC BY-NC-ND 4.0, https://creativecommons.org/licenses/by-nc-nd/4.0/
Sponsor: The research work described in this paper has been funded by the Engineering and Physical Sciences Research Council (EPSRC) via the CICE at Loughborough University, Transport Scotland (TS) and Balfour Beatty.
Version: Published
DOI: 10.1016/j.proeng.2016.06.108
URI: https://dspace.lboro.ac.uk/2134/21738
Publisher Link: http://dx.doi.org/10.1016/j.proeng.2016.06.108
ISSN: 1877-7058
Appears in Collections:Published Articles (Civil and Building Engineering)

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