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57ime CONGRS CANADIEN DE GOTECHNIQUE 57TH CANADIAN GEOTECHNICAL CONFERENCE 5ime CONGRS CONJOINT SCG/AIH-CNN 5TH JOINT CGS/IAH-CNC CONFERENCE
 

Summary: 57ième CONGRÈS CANADIEN DE GÉOTECHNIQUE 57TH CANADIAN GEOTECHNICAL CONFERENCE
5ième CONGRÈS CONJOINT SCG/AIH-CNN 5TH JOINT CGS/IAH-CNC CONFERENCE
HYSTERESIS EFFECTS ON THE WATER RETENTION CURVE: A
COMPARISON BETWEEN LABORATORY RESULTS AND PREDICTIVE
MODELS
Abdelkabir Maqsoud, Chaire CRSNG Polytechnique-UQAT en environnement et gestion des rejets miniers, UQAT,
Rouyn-Noranda, Québec
Bruno Bussière, Chaire CRSNG Polytechnique-UQAT en environnement et gestion des rejets miniers, UQAT, Rouyn-
Noranda, Québec
Mamert Mbonimpa Chaire CRSNG Polytechnique-UQAT en environnement et gestion des rejets miniers, École
Polytechnique, Montréal, Québec (now at UQAT, Rouyn-Noranda)
Michel Aubertin, Chaire CRSNG Polytechnique-UQAT en environnement et gestion des rejets miniers, École
Polytechnique, Montréal, Québec
ABSTRACT:
Description and prediction of water flow through unsaturated soils imply an understanding of their hydraulic properties.
One of these unsaturated soil properties is the water retention curve (WRC), which relates the water content to suction,
exhibits hysteresis effects. An experimental study of hysteresis phenomenon was undertaken to characterize the
hydraulic behaviour of sandy soils used in engineered covers and to assess the performance of three predictive
hysteresis models available in the literature. For the studied sands (fine, coarse and silty sand), hysteresis effect is
clearly seen, and should not be ignored. The comparison between experimental and predicted results with the three

  

Source: Aubertin, Michel - Département des génies civil, géologique et des mines, École Polytechnique de Montréal

 

Collections: Engineering; Environmental Management and Restoration Technologies