Test column study into VSD aided self-weight consolidation of oil sands tailings
Moir Haug, Julian Gan
Dans les comptes rendus d’articles de la conférence: GeoEdmonton 2018: 71st Canadian Geotechnical Conference; 13th joint with IAH-CNCSession: Mining Geotechnics and Hydrogeology I
ABSTRACT: A laboratory test column study was conducted to examine the effectiveness of vertical strip drains (VSDs) in enhancing dewatering of mature fine oil sands tailings (MFT), under self-weight conditions. A 1.5 m long VSD was installed up the center of an instrumented 4 m high test column. The pore water pressures within test column were measured with 10 manometers along the sides of the column and three across the base. The surface elevation of the MFT was recorded on a daily basis. The results of this study found that self-weight consolidation increased the solids content from an average 46.7% to a maximum of 58% at the base and minimum of 48% at the top of the VSD Post-test sampling of the test column showed that the MFT near the VSD had almost fully consolidated, however, samples taken further from the VSD had not reached their theoretical maximum consolidation. The results of the large strain consolidation test closely matched the test column results.
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Haug, Moir, Gan, Julian (2018) Test column study into VSD aided self-weight consolidation of oil sands tailings in GEO2018. Ottawa, Ontario: Canadian Geotechnical Society.
@inproceedings{Haug_GEO2018_330,
author = {{Haug, Moir}, {Gan, Julian}}
title = {Test column study into VSD aided self-weight consolidation of oil sands tailings}
booktitle = {Proceedings of the 71st Canadian Geotechnical Conference; 13th joint with IAH-CNC }
year = {2018}
organization = {The Canadian Geotechnical Society},
address = {Ottawa, Canada} }
title = {Test column study into VSD aided self-weight consolidation of oil sands tailings}
booktitle = {Proceedings of the 71st Canadian Geotechnical Conference; 13th joint with IAH-CNC }
year = {2018}
organization = {The Canadian Geotechnical Society},
address = {Ottawa, Canada} }