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- 4Geotechnical and Geoenvironmental Engineering Program/Journal Articles (Geotechnical & Geoenvironmental Engineering)
- 3Graduate and Postdoctoral Studies (GPS), Faculty of
- 3Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 1Civil and Environmental Engineering, Department of
- 1Civil and Environmental Engineering, Department of/Research Materials (Civil & Environmental Engineering)
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2016-01-01
Mojtaba Rahimi, Dave Chan, Alireza Nouri
This paper presents a critical state constitutive model for cemented sand. The model uses a single capped yield surface as a function of the void ratio, confining pressure, preconsolidation pressure, and stress ratio at the peak of the undrained effective stress path. To model the cemented...
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Characterization of a landslide-prone glaciolacustrine clay from the Thompson River Valley near Ashcroft, British Columbia
DownloadFall 2017
Several large landslides have occurred in the Thompson River Valley near Ashcroft, British Columbia. The movement of these landslides have presented challenges for the operation of the two national railways that traverse this valley. The landslides are multiple retrogressive, translational,...
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Detection of shear zones in a natural clay slope using the cone penetration test and continuous dynamic sampling
Download2000
Mahmoud, M., Woeller, D., Robertson, P. K.
Abstract: The detection of shear zones along which a mass of soil is moving is essential for understanding the state of stability of natural slopes. Weaker zones in clay soils can be identified from low values of cone penetration test (CPT) tip resistance measured during penetration. This paper...
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2002
Morgenstern, N. R., Robertson, P. K., Imam, S. M. R., Chan, D. H.
Abstract: In very loose sand, the ratio M-p of shear stress to mean normal stress at the peak point of the undrained effective stress path (UESP) is very close to the stress ratio M at the peak point of the capped yield surface. Stress ratios M-p can therefore be used in constructing yield...
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1996
Abstract: Twenty topples are described from Rock Glacier Site, 2 km north of the summit of the Highwood Pass in the Front Ranges of the Rocky Mountains in Alberta. In situ field testing and laboratory tests indicated that the external force driving the toppling process is frost action within a...
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Spring 2014
Mining methods have changed and grown to fulfill extractive demands. Heavy machinery is used to extract overburden in open pit and open cast mines and to create waste dumps prone to slope stability issues. As the heaviest equipment operating on dump locations, mine haul trucks require a safe,...
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Sensitivity and probabilistic slope stability analyses to understand sources of geotechnical uncertainty in Open Pit Mining
DownloadSpring 2024
The open pit mining industry is an essential sector around the globe, playing a crucial role in energy production and the development of renewable energy technologies. To this end, open pit mining is increasing efforts to implement best engineering practices to develop sustainable mining that...
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2020-01-01
Hurley, Ryan C., Hogan, James D.
The Army Research Office funded an invitation-only workshop entitled “Identifying Mathematical Challenges Associated with Failure of Brittle Materials” at the Johns Hopkins University, Maryland on May 20–21, 2019. The workshop brought together mathematicians, statisticians, and mechanics of...
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2002
Chan, D. H., Morgenstern, N. R., Robertson, P. K., Imam, S. M. R.
Abstract: The relationship between the shapes of the yield surface and the undrained effective stress path (UESP) of loose sand is investigated for triaxial loading conditions. It is shown that the UESP can be used in the construction of capped yield surfaces for sands. The stress ratio M-p...