Now showing items 1-20 of 82

  • Characterizing Porosity and Diffusive Properties of Monolithic Cement-Based Solidified/Stabilized Materials 

    Goreham, V., C. B. Lake, and P. K. Yuet. 2012. "Characterizing Porosity and Diffusive Properties of Monolithic Cement-Based Solidified/Stabilized Materials." Geotechnical Testing Journal 35(4): 529-538. 10.1520/GTJ103394
    This paper presents the application of a single reservoir diffusion test to determine both the effective porosity of a soil-cement matrix and the diffusivity of tritium through saturated, monolithic, cement solidified/stabilized ...
  • A Hybrid Perturbation and Morris Approach for Identifying Sensitive Parameters in Surface Water Quality Models 

    Huang, Y. T., and L. Liu. 2008. "A Hybrid Perturbation and Morris Approach for Identifying Sensitive Parameters in Surface Water Quality Models." Journal of Environmental Informatics 12(2): 150-159. Copyright 2008 by the International Society for Environmental Information Sciences. http://www.iseis.org
    Surface water quality models (SWQM) are always developed as universal frameworks so that they can be flexibly employed to simulate a large variety of water bodies. These models are often over-parameterized (more parameters ...
  • A Coupled MM5-CMAQ Modeling System for Assessing Effects of Restriction Measures on PM10 Pollution in Olympic City of Beijing, China 

    Zhou, Y., S. Y. Cheng, L. Liu, and D. S. Chen. 2012. "A Coupled MM5-CMAQ Modeling System for Assessing Effects of Restriction Measures on PM10 Pollution in Olympic City of Beijing, China." Journal of Environmental Informatics 19(2): 120-127. Copyright 2012 by the International Society for Environmental Information Sciences. http://www.iseis.org
    In this paper, a coupled MM5-CMAQ modeling system was employed to investigate the PM10 pollution issue in Beijing, China, with a focus on assessing the effects of different restriction policies implemented during and after ...
  • Assessing the Effects of Land Use Changes on Non-Point Source Pollution Reduction for the Three Gorges Watershed Using the SWAT Model 

    Chen, Y., S. Y. Cheng, L. Liu, X. R. Guo, et al. 2013. "Assessing the Effects of Land Use Changes on Non-Point Source Pollution Reduction for the Three Gorges Watershed Using the SWAT Model." Journal of Environmental Informatics 22(1): 13-26. Copyright 2013 by the International Society for Environmental Information Sciences. http://www.iseis.org
    This study presents a new attempt of applying the hydrological model SWAT to the Three Gorges watershed in China for addressing its non-point source (NPS) pollution control issues. The model was calibrated and validated ...
  • Seismic and aseismic slip pulses driven by thermal pressurization of pore fluid 

    Garagash, D. I.. 2012. "Seismic and aseismic slip pulses driven by thermal pressurization of pore fluid." Journal of Geophysical Research-Solid Earth 117: 04314-B04314. DOI:10.1029/2011JB008889
    There are several lines of evidence that suggest that thermal pressurization (TP) of pore fluid within a low-permeability fault core may play the key role in the development of earthquake slip. To elucidate effects of TP ...
  • Nucleation and arrest of dynamic slip on a pressurized fault 

    Garagash, Dmitry I., and Leonid N. Germanovich. 2012. "Nucleation and arrest of dynamic slip on a pressurized fault." Journal of Geophysical Research-Solid Earth 117: 10310-B10310. DOI:10.1029/2012JB009209
    Elevated pore pressure can lead to reactivation of slip on pre-existing fractures and faults when the static Coulomb failure is reached locally. As the pressurized region spreads diffusively, slip can accumulate quasi-statically ...
  • Hydraulic and strength performance of three cement-stabilized soils subjected to cycles of freezing and thawing 

    Jamshidi, R. and Lake, C.B. 2015. Hydraulic and strength performance of three cement-stabilized soils subjected to cycles of freezing and thawing, Canadian Geotechnical Journal, 52(3): 283-294, 10.1139/cgj-2014-0100.
    A total of 108 specimens were prepared to examine the hydraulic performance and strength performance of nine different cement-stabilized soils under unexposed and freeze–thaw exposed conditions. Specimens from each mix ...
  • Diffusion and Sorption of VOCs Through Soil-Cement Materials 

    Goreham, V. and Lake, C.B. 2016. Diffusion and sorption of volatile organic compounds through soil-cement materials, Environmental Geotechnics, DOI: 10.1680/jenge.15.00010
    This paper presents a laboratory study that assesses the diffusive and sorptive parameters of three volatile organic compounds benzene, ethylbenzene, and trichloroethylene) though cured, monolithic, soil-cement materials. ...
  • Evaluating Impact Resonance Testing as a Tool for Predicting Hydraulic Conductivity and Strength Changes in Cement-Stabilized Soils 

    5. Jamshidi, R., Lake, C.B., and Barnes, C. 2015. Evaluating impact resonance testing as a tool for predicting hydraulic conductivity and strength changes in cement-stabilized soils, Journal of Materials in Civil Engineering, 27(12): 04015051-1- 04015051-9, 10.1061/(ASCE)MT.1943-5533.0001318
    In this paper the impact resonance (IR) test method is used as a nondestructive tool to examine the curing progression, freeze/thaw (f/t) resistance, and healing potential of cement-stabilized soils. Resonant frequency ...
  • Statistical Sample Size for Quality Control Programs of Cement-Based Solidification/Stabilization 

    Fenton, G.A, Liza, R., Lake, C.B., Menzies, T., Griffiths, D.V. 2015. Statistical sample size for quality control programs of cement-based solidification/stabilization, Canadian Geotechnical Journal, 52(10): 1620–1628, http://www.nrcresearchpress.com/doi/pdf/10.1139/cgj-2013-0478.
    Sampling requirements for the quality control (QC) of cement-based solidification/stabilization (S/S) construction cells do not currently specify the sample size considering the accuracy of the estimated effective hydraulic ...
  • ASSESSMENT OF TWO THERMALLY TREATED DRILL MUD WASTES FOR LANDFILL CONTAINMENT APPLICATIONS 

    Carignan, M.P., Lake, C.B., and Menzies, T. 2007. Assessment of two thermally treated drill mud wastes for landfill containment applications, Waste Management and Research, Vol. 25(5): 394-401.
    Offshore oil and gas drilling operations generate significant amounts of drill mud waste, some of which is transported onshore for subsequent thermal treatment (i.e. via thermal remediation). This treatment process results ...
  • Numerical Analysis of Longwall Mining Layout for a Wyoming Trona Mine 

    Corkum AG, Board MP. Numerical analysis of longwall mining layout for a Wyoming Trona mine. Int J Rock Mech Min Sci 2016; 89:94-108. doi:10.1016/j.ijrmms.2016.09.001
    At Solvay Mine, located in southwestern Wyoming, a subhorizontal trona seam is mined at depths of between 460-490 m using mechanized room-and-pillar and longwall mining methods. The stratigraphy at the mine generally ...
  • THE EFFECT OF FREEZE/THAW CYCLES ON THE PERFORMANCE AND MICROSTRUCTURE OF CEMENT-TREATED SOILS 

    Published version: Jamshidi, R., Lake, C.B., Gunning, P., and Hills, C.D. 2016. Freeze/thaw effect on performance and microstructure of cement-treated soils. ASCE Journal of Materials in Civil Engineering, Vol. 28(12) DOI: 10.1061/(ASCE)MT.1943-5533.0001677.
    In this paper, the performance and structural changes in cement-treated soils under influence of freeze/thaw (f/t) exposure are investigated. Specimens from plastic and compacted soil-cement mix designs were exposed to ...
  • Geotextile biofiltration of primary treated municipal wastewater under simulated artic summer conditions. 

    Published version: Bridson-Pateman, E., Jamieson, R., and Lake, C.B. 2016. Geotextile biofiltration of primary treated municipal wastewater under simulated artic summer conditions. Geotextiles and Geomembranes, Vol 44(6):824-831. doi:10.1016/j.geotexmem.2016.06.012
    Wastewater stabilization ponds (WSPs) are common for wastewater treatment in remote Canadian Arctic communities. In this paper, two geotextiles of different mass/unit areas are examined as a potential biofiltration upgrade ...
  • An Analytical Approach to Assess Quality Control Sample Sizes of Cement-Based Solidification/Stabilization 

    Publisher's version: Liza, R., Fenton, G.A, Lake, C.B., Griffiths, D.V. 2015. An analytical approach to assess quality control sample sizes of cement-based solidification/stabilization, Canadian Geotechnical Journal, 52:1620-1628. doi:10.1139/cgj-2016-0218.
    This paper presents an analytical approach to selecting the sample size required to achieve acceptable quality control in a cement-based solidification/stabilization construction cell program intended for the treatment/containment ...
  • Manufactured aggregate from cement kiln dust 

    Published version: Lake, C.B., Choi, H., Hills, C.D., Gunning, P. and Manaqibwala, I. 2016. Manufactured Aggregate from Cement Kiln Dust, Environmental Geotechnics. Published Online: December 12, 2016 doi:10.1680/jenge.15.00074
    This paper presents the results of a laboratory study that evaluated the geotechnical and geoenvironmental properties of a manufactured aggregate derived from cement kiln dust (CKD). The aggregate manufacturing process ...
  • Compressive Behaviour of Concrete Cylinders Reinforced with Glass Fiber Reinforced Polymer Bars 

    Current design standards ignore any contribution of glass fiber reinforced polymer (GFRP) bars in concrete in a state of compression. This paper challenged this convention by testing 30 cylinders of 36 MPa concrete to ...
  • Bond-Slip Analytical Formulation toward Optimal Embedment of Concrete-Filled Circular FRP Tubes into Concrete Footings 

    Sadeghian, Pedram, and Fam, Amir. (2010). Bond-Slip Analytical Formulation toward Optimal Embedment of Concrete-Filled Circular FRP Tubes into Concrete Footings. Journal of Engineering Mechanics, 136 (4), 524-533.
    This paper presents a robust analytical model for a moment connection of concrete-filled fiber reinforced-polymer (FRP) tubes (CFFTs) to concrete footings. The CFFT connection is based on a simple approach of direct embedment ...
  • Strengthening Concrete Columns using NSM CFRP Laminates 

    In this paper, the performance of concrete columns strengthened with longitudinal near surface mounted (NSM) carbon fiber-reinforced polymer (CFRP) composite laminates is evaluated. A total of fourteen medium-scale plain ...
  • Durability of Flax FRPs Exposed to Accelerated Environmental Conditions 

    It is well known that synthetic fiber reinforcements, such as glass fibers, elevate the mechanical properties of polymer materials. Considering the synthetic material’s renewability challenges, natural fibers, such as flax ...