Temperature Effects on Soil Suction for Compacted Clay Soils

Abstract:

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.

• Periodical: Advanced Materials Research (Volume 723)
• Pages: 527-534
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.723.527
• Online since: August 2013
• Authors: Shu Rong Yang, Wei Hsing Huang, Shao Hung Chung
• Keywords: Filter Paper Method, Soil Suction, Subgrade Soil, Thermocouple Psychrometer

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