#7912. Hydraulic fracturing pressure of concentric double-layered cylinder in cohesive soil

October 2026publication date
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Journal’s subject area:
Architecture;
Civil and Structural Engineering;
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Abstract:
This study aims to investigate hydrofracturing in double-layered soil through theoretical and experimental analysis, as multilayered soils where the difference in mechanical properties exists are generally encountered in practical engineering. First, an analytical solution for fracturing pressure in two different concentric regions of soil was presented based on the cavity expansion theory. Then, several triaxial hydraulic fracturing tests were carried out to validate the analytical solution.
Keywords:
cavity expansion theory; cohesive soil; hydraulic fracturing pressure; layered; triaxial fracturing test

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