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Permanent link (DOI): https://doi.org/10.7939/R3251FN6C

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Effect of soil temperature changes on geogrid strains Open Access

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Author or creator
Zarnani, S.
Scott, J. D.
Sego, D. C.
Additional contributors
Subject/Keyword
Geogrid
Thermal strain
Temperature
Thermal stress
Thermocouple
Strain gauge
Type of item
Journal Article (Published)
Language
English
Place
Time
Description
Abstract: Temperatures were measured along instrumented geogrids to determine thermal strains and their changes with seasonal temperatures. It was observed that the application of temperature correction to the measured strain values by electrical wire resistance (EWR) strain gauges to compensate for temperature-induced strains is not correct. Because of the effects of soil confinement, the geogrids confined with soil do not undergo thermal expansion or contraction from temperature change if slippage between the soil and geogrid cannot occur. Instead of thermal strains, thermal stress or thermal force will be developed in the geogrids with the magnitude depending on the elastic properties, temperature change, and linear coefficient of thermal expansion.
Date created
2011
DOI
doi:10.7939/R3251FN6C
License information
Rights
© 2011 Zarnani, Scott, & Sego. This version of this article is open access and can be downloaded and shared. The original author(s) and source must be cited.
Citation for previous publication
Zarnani, S., Scott, J. D., & Sego, D. C. (2011). Effect of soil temperature changes on geogrid strains. Canadian Geotechnical Journal, 48(8), 1287-1294. DOI: 10.1139/T11-035.
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