Effect of simulated rock dumping on geotextile

Cheah, Charmaine, Gallage, Chaminda, Dawes, Les A., & Kendall, Preston (2015) Effect of simulated rock dumping on geotextile. In Ramsay, Graham (Ed.) 12th Australian New Zealand Conference on Geomechanics (ANZ 2015), 22-25 February 2015, Wellington, New Zealand.


The use of geotextiles in coastal structures such as revetments and bund walls has become a common practice. The performance of these structures during their lifetime depends on the durability of geotextile used. During construction of these coastal structures, geotextiles are subjected to a drop load with high impact stress and that can damage the geotextile. In the current design practice, index tests are insufficient in predicting the performance of the geotextile. This puts the stability and performance of the coastal structures at risk. The current geotextile design guidelines are based on index tests and there is no standard procedure to account for the potential loss in the geotextile’s mechanical properties during installation (construction).This study aims to develop a standard procedure to estimate the properties of geotextile after its installation and using these properties for designing the performance of these structures. This paper describes the laboratory method of simulating large scale rock dumping on non-woven geotextiles and how to quantify the retained strength of damaged geotextiles. Results show that the reduction in retained strength of geotextile could extent up to 26% during installation.

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ID Code: 90873
Item Type: Conference Paper
Refereed: Yes
Additional URLs:
Keywords: Geotextile, puncture Resistance, Filed Installation condition
Divisions: Current > Schools > School of Civil Engineering & Built Environment
Current > Schools > School of Earth, Environmental & Biological Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2015 [Please consult the author]
Deposited On: 01 Dec 2015 02:43
Last Modified: 05 Dec 2015 07:05

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