A pulse-delay method for gas permeability measurement of frozen rock under temperature-saturation coupling

Chundong Shi

doi:10.1016/j.coldregions.2026.104899

A pulse-delay method for gas permeability measurement of frozen rock under temperature-saturation coupling

2026-03-11

0

PRE

AI

C

Chundong Shi

W

Wang Jianwei

N

Nie Wen *

W

Wang Junlin

G

Guowei Ma

DOI：10.1016/j.coldregions.2026.104899

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Abstract

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• An adaptable experimental method is developed for measuring frozen rock permeability. • Three permeability-strain evolution stages during freezing are experimentally identified. • A freezing ratio model quantifies pore ice formation based on frost heave strain.

Keywords:

frozen rock permeability

permeability-strain evolution

freezing ratio model

pulse-delay method

temperature-saturation coupling

A pulse-delay method for gas permeability measurement of frozen rock under temperature-saturation coupling

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