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Analysis of strip footings on fibre reinforced slopes with the aid of Particle Image Velocimetry (PIV)

Mirzababaei, M.
; 
Mohamed, Mostafa H.A.
; 
Miraftab, M.
Publication Date
2017-04
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Keywords
Strip footings; Soil slopes; Waste carpet fibres; Particle Image Velocimetry; PIV
Rights
(c) 2016 ASCE. Full-text reproduced in accordance with the publisher's self-archiving policy.
Peer-Reviewed
Yes
Open Access status
Accepted for publication
2016-07-26
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Engineering and Digital Technology Publications
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Abstract
This paper provides results of a comprehensive investigation into the use of waste carpet fibres for reinforcement of clay soil slopes. The interaction between laboratory scale model slopes made of fibre reinforced clay soil and surface strip footing load was examined. Results for the influence of two variables namely fibre content and distance between the footing edge and the crest of the slope are presented and discussed. Particle Image Velocimetry (PIV) technique was employed to study the deformation of the slope under the surface loading. The front side of the tank was made of a thick Perspex glass to facilitate taking accurate images during the loading stage. To study the stress induced in the slope under footing pressure, excess pore-water pressure and total stress increase were measured at predetermined locations within the slope. The results showed that fibre reinforcement increased the bearing resistance of the model slope significantly. For instance, inclusion of 5% waste carpet fibre increased the bearing pressure by 145% at 10% settlement ratio.
URI
http://hdl.handle.net/10454/8910
Version
Accepted manuscript
Citation
Mirzababaei M, Mohamed M and Miraftab M (2017) Analysis of strip footings on fibre reinforced slopes with the aid of Particle Image Velocimetry (PIV). Journal of Materials in Civil Engineering. 29(4)
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Link to Version of Record
https://doi.org/10.1061/(ASCE)MT.1943-5533.0001758
Type
Article
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Notes
The post-print of this article will be released for public view when the version of record has been published by ASCE.