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2025 | OriginalPaper | Chapter

Experimental Study of Soil Arching Effect in Compacted Clay at Unsaturated State

Authors : Xiang-Shen Fu, Ren-Peng Chen, Han-Lin Wang

Published in: Proceedings of the 5th International Conference on Transportation Geotechnics (ICTG) 2024, Volume 5

Publisher: Springer Nature Singapore

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Abstract

Compacted clay is extensively used as foundation materials, generally presenting unsaturated state. Understanding the soil arching effect in unsaturated compacted clay under unloading is meaningful for ensuring its performance, but nowadays still limited. A series of two-dimensional trapdoor model tests were conducted to investigate the stress redistribution and deformation mechanism caused by the soil arching effect in unsaturated compacted clay under unloading. Different initial placement conditions (dry densities and water contents) of clay were considered. From the results of the trapdoor tests, the effect of the initial placement condition of the soil is significant for the characteristics of the soil arching effect in unsaturated compacted clay, including the deformation development and the stress redistribution. The results can provide a technical reference for estimating and fully using the soil arching effect in unsaturated compacted clay during geotechnical design.

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previous chapter Hydro-Mechanical Properties of Biochar-Mixed Compacted Clayey Sand
next chapter Lessons Learnt from Intelligent Compaction Field Trials
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Metadata
Title
Experimental Study of Soil Arching Effect in Compacted Clay at Unsaturated State
Authors
Xiang-Shen Fu
Ren-Peng Chen
Han-Lin Wang
Copyright Year
2025
Publisher
Springer Nature Singapore
Book
Proceedings of the 5th International Conference on Transportation Geotechnics (ICTG) 2024, Volume 5

Print ISBN: 978-981-9782-28-4

Electronic ISBN: 978-981-9782-29-1

Copyright Year: 2025

DOI
https://doi.org/10.1007/978-981-97-8229-1_31