Temperature effects on soil suction for compacted clay soils

Shu Rong Yang, Wei Hsing Huang, Shao Hung Chung

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations


An investigation was conducted to determine the effects of temperature, compaction water content, and compaction efforts on soil suction of two expansive subgrade soils. For this purpose, two expansive soils were statically compacted at target water contents ranging from 5% to 20%. This made it possible to explore a broad spectrum of compaction conditions. Filter paper method and thermocouple psychrometer were used to measure soil suction at temperatures ranging from 10°C to 60°C. Experimental results show that compaction water content, compaction effort, and temperature have influences on soil suction. As water content increases, the influences of compaction effort and temperature on suction become less significant. Finally multiple regression formulations for predicting the soil suction of as-compacted clayey soil were established.

Original languageEnglish
Title of host publicationInnovation and Sustainable Technology in Road and Airfield Pavement
Number of pages8
StatePublished - 2013
Event8th International Conference on Road and Airfield Pavement Technology, ICPT 2013 - Taipei, Taiwan
Duration: 14 Jul 201318 Jul 2013

Publication series

NameAdvanced Materials Research
ISSN (Print)1022-6680


Conference8th International Conference on Road and Airfield Pavement Technology, ICPT 2013


  • Filter paper method
  • Soil suction
  • Subgrade soils
  • Thermocouple psychrometer


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