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Importance of Precipitation on the Slowdown of Creep Behaviour Induced by Pressure-solution by Sac-Morane, Alexandre; Rattez, Hadrien; Veveakis, Manolis is a scholarly article available to read on EtoBox.

What is Importance of Precipitation on the Slowdown of Creep Behaviour Induced by Pressure-solution about?

Pressure-solution is a chemo-mechanical process, involving dissolution at grain/asperity contacts and precipitation away from them. It induces a compaction in time of rocks and sediments. The present study investigates numerically the impact of precipitation on the slowdown of creep behavior induced by pressure-solution. A recently published framework, called the Phase-Field Discrete Element Model, is carefully calibrated against existing indentation experiments and validated for other rate-limiting scenarios. It is shown that when precipitation is relatively slow, the slowdown of pressure-solution is due to a chemical mechanism (accumulation of solute concentration within the pore space), whereas, at fast precipitation, the slowdown is due to a mechanical mechanism (stress reduction at the contact).

Author

Sac-Morane, Alexandre; Rattez, Hadrien; Veveakis, Manolis

Published

2024

Language

EN