Thermo-hydraulic behaviour of Boom Clay using a heating cell: an experimental study

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Abstract

Boom clay formation is a potential host rock for geological disposal of high-level nuclear waste in Belgium. Heating pulse tests with controlled power supply and controlled hydraulic boudary conditions were performed under constant volume conditions to study the hydraulic impact of thermal loading on the clay. Selected test results of intact borehole samples retrieved in horizontal direction are presented and discussed. The study focuses on the time evolution of temperature and pore water pressure changes along heating and cooling paths, i.e. pore pressure build-up during quasi-undrained heating and later dissipation at constant temperature towards the applied hydraulic boundary condition.

Details

Original languageEnglish
Title of host publicationMultiphysical testing of soils and shales
Place of PublicationSwitzerland
PublisherSpringer
Pages163-168
Edition1
ISBN (Print)978-3-642-32491-8
Publication statusPublished - Jan 2013

Publication series

NameSpringer Series in Geomechanics and Geoengineering

Keywords

  • Boom clay, time dependent behaviour, thermo-hydro-mechanical coupling, thermo-mechanical loading, thermal consolidation, mechanical consolidation, stress rate

ID: 112051