Now showing items 42-61 of 168

  • The effect of different dewatering techniques on resulting effluent particle size. 

    Alimohammadi, M., Tackley, H., Lake, C.B., Spooner, I. Walker, T.R., Jamieson, R.C., Gan, C., and Bossy, K. 2020. The effect of different dewatering techniques on resulting effluent particle size. Canadian Journal of Civil Engineering, Vol. 47(10): 1145-1153.
    A paucity of literature has compared geotextile dewatering methods to more conventional dewatering methods (i.e. centrifuge, sedimentation) in the context of how geotextile dewatering performs at reducing particulate matter ...
  • Effect of Fiber Orientation on Nonlinear Behavior of CFRP Composites 

    Publisher's version: Sadeghian, Pedram, Rahai, Ali R, and Ehsani, Mohammad R. (2009). Effect of Fiber Orientation on Nonlinear Behavior of CFRP Composites. Journal of Reinforced Plastics and Composites, 28 (18), 2261-2272. doi: 10.1177/0731684408092065
    Fiber orientation is one of the important parameters that affect strength and ductility of FRP-confined concrete columns. A number of studies have been conducted on various fiber orientations and wrap thicknesses, but have ...
  • 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 ...
  • Effects of long shredded rubber particles recycled from waste tires on mechanical properties of concrete 

    Kumari Bandarage & Pedram Sadeghian (2019) Effects of long shredded rubber particles recycled from waste tires on mechanical properties of concrete, Journal of Sustainable Cement-Based Materials, DOI: 10.1080/21650373.2019.1676839 https://doi.org/10.1080/21650373.2019.1676839
    The goal of this research is to study the mechanical properties of recycled rubber particles extracted from scrap tires in concrete to introduce a sustainable waste management system and subsequently to reduce the use of ...
  • Engineering challenges of warming 

    Kurylyk BL. 2019. Engineering challenges of warming. Nature Climate Change, 9, 807–808. DOI: 10.1038/s41558-019-0612-8.
  • Enhancing the Interface Friction between Glass Fiber-Reinforced Polymer Sheets and Sandy Soils through Sand Coating 

    Ahmad Almallah, Pedram Sadeghian & Hany El Naggar (2019) Enhancing the interface friction between glass fiber-reinforced polymer sheets and sandy soils through sand coating, Geomechanics and Geoengineering, DOI: 10.1080/17486025.2019.1635714
    Soil-pile interface friction is an important geotechnical engineering factor to be considered in achieving a safe, cost-effective design. Conventional construction materials such as concrete, steel, and wood exhibit serious ...
  • 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 ...
  • Evaluating the movement of dissolved porewater species through a marine sediment 51 years after establishment of a pulp and paper effluent stabilization basin 

    Lake, C.B., Song, X., Spooner, I.S., Jamieson, R.C. Walker, T.R., and Tackley, H. 2022. Evaluating the movement of dissolved porewater species through a marine sediment 51 years after establishment of a pulp and paper effluent stabilization basin. Accepted Canadian Geotechnical Journal.
    Over 50 years ago, a marine estuary was converted to a wastewater stabilization basin for treatment of primarily pulp and paper effluent. As a result, the basin was immediately converted to a “freshwater” environment and ...
  • Examining freeze/thaw cycling and its impact on the hydrualic conductivity of cement-treated silty sand 

    Examining freeze/thaw cycling and its impact on the hydraulic performance of cement-treated silty sand RJ Jamshidi, CB Lake, CL Barnes Journal of Cold Regions Engineering 29 (3), 04014014, 2015. https://doi.org/10.1061/(ASCE)CR.1943-5495.0000081
    Cement-based solidification/stabilization (s/s) is a remediation technology that has been widely used for treatment of a range of contaminants. Currently there is limited published data on changes in hydraulic performance ...
  • Examining metal migration through geotextiles during dewatering 

    Tackley, H, Alimohammadi, M., and Lake, C.B. 2021. Examining metal migration through geotextiles during dewatering. Geotextiles and Geomembranes: 49(1): 32-40. doi.org/10.1016/j.geotexmem.2020.09.002.
    This paper presents a study conducted to assess the influence that a filter cake deposited on the surface of the geotextile has on the mobility of three metals (Cu, Pb, Zn) during filtration of a contaminated sediment. Two ...
  • Examining the Ultraviolet Optical Screening Tool as a Viable Means for Delineating a Contaminated Organic Sediment 

    Davidson, K.B., Lake, C.B., Sweet, B. and Spooner, I.S. 2021. Examining the ultraviolet optical screening tool as a viable means for delineating a contaminated organic sediment, Science of the Total Environment, Vol. 799: 149408.
    Rapid and accurate delineation of contaminated sediments in marine environments is critical for the effective assessment of site risks and the development of appropriate remedial action plans. In this study, a new application ...
  • Experimental and Analytical Behavior of Sandwich Composite Beams: Comparison of Natural and Synthetic Materials 

    Publisher's version: Sadeghian, Pedram, Hristozov, Dimo, and Wroblewski, Laura. (2016). Experimental and Analytical Behavior of Sandwich Composite Beams: Comparison of Natural and Synthetic Materials. Journal of Sandwich Structures & Materials. DOI: 10.1177/1099636216649891
    In this study, the flexural behavior of sandwich composite beams made of fiber-reinforced polymer (FRP) skins and light-weight cores are studied. The focus is on the comparison of natural and synthetic fiber and core ...
  • Experimental and Analytical Behavior of Short Concrete Columns Reinforced with GFRP Bars under Eccentric Loading 

    Publisher's version: Khorramian, Koosha. Sadeghian, Pedram. Experimental and Analytical Behavior of Short Concrete Columns Reinforced with GFRP Bars under Eccentric Loading. Engineering Structures 151C (2017) pp. 761-773. DOI: 10.1016/j.engstruct.2017.08.064
    This paper presents experimental and analytical studies on short concrete columns reinforced with glass fiber-reinforced polymer (GFRP) towards characterizing compressive behavior GFRP bars. The experimental program consisted ...
  • Experimental and Analytical Behaviour of Sandwich Composites with Glass Fiber-reinforced Polymer Facings and Layered Fiber Mat Cores 

    MacDonnell, Lauren; Sadeghian, Pedram. (2020). Experimental and Analytical Behaviour of Sandwich Composites with GFRP Facings and Layered Fiber Mat Cores, Journal of Composite Materials. https://doi.org/10.1177/0021998320939625
    This paper presents the results of experimental and analytical studies on the behaviour of sandwich beams fabricated with layered cores and glass fiber-reinforced polymer (GFRP) composite facings. The GFRP facings were ...
  • Experimental and analytical investigations of the flexural behavior of hollow ±55° filament wound GFRP tubes 

    Betts, Dillon; Sadeghian, Pedram; Fam, Amir. (2021). Experimental and analytical investigations of the flexural behavior of hollow ±55° filament wound GFRP tubes. Thin-Walled Structures. Vol. 159. https://doi.org/10.1016/j.tws.2020.107246.
    The behavior of ±55° filament wound glass fiber-reinforced polymer (GFRP) tubes under flexural loading was examined experimentally and analytically. A total of 15 tubes were tested under four-point bending. The main test ...
  • Experimental Evaluation of Design Procedures for Fillet Welds to Hollow Structural Sections 

    Packer, J. A., Sun, M. & Tousignant, K. (2016). Experimental evaluation of design procedures for fillet welds to hollow structural sections. Journal of Structural Engineering, American Society of Civil Engineers 142(5): 04016007-1 – 04016007-12. https://doi.org/10.1061/(ASCE)ST.1943-541X.0001467
    This paper discusses contemporary design procedures for fillet welds to Hollow Structural Sections (HSS) in several prominent design codes. The structural reliability associated with the "directional strength enhancement ...
  • Experimental Investigation of Short and Slender Rectangular Concrete Columns Reinforced with GFRP Bars under Eccentric Axial Loads 

    Khorramian, Koosha; Sadeghian, Pedram. (2020).. Experimental Investigation of Short and Slender Rectangular Concrete Columns Reinforced with GFRP Bars under Eccentric Axial Loads, Journal of Composites for Construction, vol. 24, no.6. https://doi.org/10.1061/(ASCE)CC.1943-5614.0001088
    In this paper, the experimental behavior of short and slender concrete columns reinforced with glass fiber-reinforced polymer (GFRP) bars under eccentric compression loading is presented. A total of 10 large-scale concrete ...
  • Experimental study of hollow FRP sections under bending 

    Tynski, Eric, Sadeghian, Pedram. (2019) Experimental study of hollow FRP sections under bending. 7th Asia-Pacific Conference on FRP in Structures, APFIS 2019; Surfers Paradise, Gold Coast, Brisbane, Australia.
    This paper presents an experimental study on hollow, fibre-reinforced polymer (FRP) sections subjected to bending. This study is part of an ongoing project, with the eventual goal being to use the sections as a bridge ...
  • Experimental Study of Rectangular RC Columns Strengthened with CFRP Composites under Eccentric Loading 

    Published version: Sadeghian, Pedram, Rahai, Ali R, and Ehsani, (2010). Mohammad R. Experimental Study of Rectangular RC Columns Strengthened with CFRP Composites under Eccentric Loading. Journal of Composites for Construction , 14(4), 443-450. doi: 10.1061/(ASCE)CC.1943-5614.0000100
    This paper presents the results of experimental studies on reinforced concrete columns strengthened with CFRP composites under combination of axial load and bending moment. A total of seven large-scale specimens with ...