| Issue |
E3S Web Conf.
Volume 642, 2025
5th European Conference on Unsaturated Soils and Biotechnology applied to Geotechnical Engineering (EUNSAT2025 + BGE)
|
|
|---|---|---|
| Article Number | 02013 | |
| Number of page(s) | 6 | |
| Section | EUNSAT2025 - Theoretical and Numerical Models | |
| DOI | https://doi.org/10.1051/e3sconf/202564202013 | |
| Published online | 14 August 2025 | |
An analysis of pore pressure measurement in gassy soils
1 Delft University of Technology, Department of Geosciences and Engineering, Stevinweg 1 2628CN Delft, The Netherlands
2 Politecnico di Milano, Dipartimento di Ingegneria Civile e Ambientale, Piazza Leonardo da Vinci 32 20133 Milano, Italy
* Corresponding author: m.xu-3@tudelft.nl
The presence of entrapped gas, formed by the degradation of organic matter, complicates the pore pressure measurement in gassy soils. To address this challenge, fully coupled hydro-mechanical finite element simulations are presented to analyse the pore pressure response observed from triaxial tests of gassy peat samples. The experiments incorporated novel local pore pressure transducers, able to track distinct pore pressure measurements at separate locations. By replicating the experimental tests, the numerical simulations assessed the effects of non-uniform gas concentration and soil-porous disk interactions to refine gassy soil testing procedures and improve data interpretation.
© The Authors, published by EDP Sciences, 2025
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