ABSTRACT: This paper presents the results of centrifuge model testing on slopes reinforced by anchored geosynthetics and subjected to seepage conditions. The tests were conducted on 2V:1H slope models under steady seepage condition at 50g. Surface settlements and pore water pressures at different locations were recorded during the test. The influence of anchor stiffness, anchor length, and anchor pretensioning were examined. With an increase in anchor strength or stiffness, a considerable decrease in crest settlements and face movements was observed. Further, pretensioning of strands was found to be effective in enhancing the efficiency of anchored geosynthetic systems. Limit equilibrium stability analyses were in good agreement with the experimental results of slope models at failure.
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June 2013
Research Article|
June 01 2013
Centrifuge study of anchored geosynthetic slopes
A. Rajabian;
A. Rajabian
1
PhD Student, School of Civil Engineering, Iran University of Science and Technology, PO Box 16765-163, Narmak, Tehran, Iran, Telephone: +98 21-77240399; Telefax: +98 21-77240398, E-mail: ahd_rajabian@yahoo.com; formerly Visiting PhD Student, Department of Civil Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
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H. Ghiassian;
H. Ghiassian
2
Associate Professor, School of Civil Engineering, Iran University of Science and Technology, P. O. Box 16765-163, Narmak, Tehran, Iran, Telephone: +98 21-77240399, Telefax: +98 21-77240398, E-mail: h_ghiassian@iust.ac.ir
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B.V.S. Viswanadham
B.V.S. Viswanadham
3
Professor, Department of Civil Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India, Telephone: +91 22-25767344, Telefax: +91 22-25767302, E-mail: viswam@civil.iitb.ac.in
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Publisher: Emerald Publishing
Received:
August 05 2012
Revision Received:
February 19 2013
Accepted:
March 09 2013
Online ISSN: 1751-7613
Print ISSN: 1072-6349
© 2013 Thomas Telford Ltd
2013
Geosynthetics International (2013) 20 (3): 191–206.
Article history
Received:
August 05 2012
Revision Received:
February 19 2013
Accepted:
March 09 2013
Citation
Rajabian A, Ghiassian H, Viswanadham B (2013), "Centrifuge study of anchored geosynthetic slopes". Geosynthetics International, Vol. 20 No. 3 pp. 191–206, doi: https://doi.org/10.1680/gein.13.00011
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