Effect of Strain Rate on Tensile Testing of Geogrid Reinforcements Using Single‐Rib and Wide‐Rib Specimen

Effect of Strain Rate on Tensile Testing of Geogrid Reinforcements Using Single‐Rib and... A geogrid is geosynthetic high‐density polyethylene material used to reinforce soils and similar materials. It is valuable tool in transportation and civil construction. Geogrids allow engineers to build where it otherwise would not be possible or would be cost prohibitive using traditional methods. The tensile test of the geogrid is the most important test of this product. ISO 10319 “Geosynthetics‐Wide‐Width tensile test” uses wide‐width specimen 20 mm wide; the gripping of this wide sample is difficult and need special gripping. This study aims to develop and validate a method for testing single‐rib specimen, instead of wide specimen using 150 samples of geogrids, and six different speeds. The statistical analysis of the results showed that testing of single rib at the speed of 100 mm/min (method under validation) gave matched and compatible results of wide‐rib specimen testing at the speed of 25 mm/min (reference method), where the variance value of these two methods is not significant. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advances in Polymer Technology Wiley

Effect of Strain Rate on Tensile Testing of Geogrid Reinforcements Using Single‐Rib and Wide‐Rib Specimen

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Publisher
Wiley Subscription Services, Inc., A Wiley Company
Copyright
Copyright © 2018 Wiley Periodicals, Inc.
ISSN
0730-6679
eISSN
1098-2329
D.O.I.
10.1002/adv.21778
Publisher site
See Article on Publisher Site

Abstract

A geogrid is geosynthetic high‐density polyethylene material used to reinforce soils and similar materials. It is valuable tool in transportation and civil construction. Geogrids allow engineers to build where it otherwise would not be possible or would be cost prohibitive using traditional methods. The tensile test of the geogrid is the most important test of this product. ISO 10319 “Geosynthetics‐Wide‐Width tensile test” uses wide‐width specimen 20 mm wide; the gripping of this wide sample is difficult and need special gripping. This study aims to develop and validate a method for testing single‐rib specimen, instead of wide specimen using 150 samples of geogrids, and six different speeds. The statistical analysis of the results showed that testing of single rib at the speed of 100 mm/min (method under validation) gave matched and compatible results of wide‐rib specimen testing at the speed of 25 mm/min (reference method), where the variance value of these two methods is not significant.

Journal

Advances in Polymer TechnologyWiley

Published: Jan 1, 2018

Keywords: ; ; ; ;

References

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