Now showing items 1-20 of 69

  • Application of Recycled Gypsum Wallboards in Cement Mortar 

    Hansen, Sarah and Sadeghian, Pedram (2019). Application of Recycled Gypsum Wallboards in Cement Mortar. In CSCE Annual Conference: Mechanics and Materials Specialty. Laval, QC: Canadian Society for Civil Engineering. http://amz.xcdsystem.com/A464D029-DBD8-FB0C-B034B891CCEED78C_abstract_File10549/PaperPDFVersion_5_0428013904.pdf
    Gypsum is a naturally formed mineral that is already known to be added to cement at small percentages in order to reduce the speed of reaction with water, however it seems that substantial technical research has not been ...
  • Behavior of Slender GFRP Reinforced Concrete Columns 

    This paper presents an experimental and analytical study on slender concrete columns reinforced with glass fiber-reinforced polymer (GFRP) bars. The experimental program included ten concrete columns with rectangular ...
  • 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 ...
  • Calibration of Reduction Factor for Concrete Columns Strengthened with Unidirectional Fiber-Reinforced Wrapping 

    Strengthening with fiber-reinforced polymer (FRP) wrapping is a well-established method of retorifiting or upgrading existing concrete columns. The available test data cooreponding to FRP wrapped concrete columns has ...
  • Characterization of Combined Longitudinal and Transverse FRPs for Strengthening Concrete Columns 

    Sadeghian, Pedram, Fillmore, Brandon. (2019). Characterization of Combined Longitudinal and Transverse FRPs for Strengthening Concrete Columns. Canadian Journal of Civil Engineering, 0, 0. https://doi.org/10.1139/cjce-2018-0813
    This paper presents the results of a study on the characterization of combined longitudinal near-surface-mounted (NSM) fiber-reinforced polymer (FRP) bars and transverse FRP wraps for strengthening concrete columns. A total ...
  • Closed-Form Model and Parametric Study on Connection of Concrete-Filled FRP Tubes to Concrete Footings by Direct Embedment 

    Publiher's vwesion: Sadeghian, Pedram, and Fam, Amir, (2011). Closed-Form Model and Parametric Study on Connection of Concrete-Filled FRP Tubes to Concrete Footings by Direct Embedment. Journal of Engineering Mechanics , 137 (5), 346-354 .doi: 10.1061/(ASCE)EM.1943-7889.0000231
    Concrete-filled fiber reinforced polymer (FRP) tubes (CFFTs) have been introduced as a new system for piles, columns and poles. A simple moment connection based on direct embedment of the CFFT into concrete footings or ...
  • 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 ...
  • Contribution of Longitudinal GFRP Bars in Concrete Cylinders under Axial Compression 

    Fillmore, Brandon; Sadeghian, Pedram. . Contribution of Longitudinal GFRP Bars in Concrete Cylinders under Axial Compression. Published on Web on 2018-01-15. https://doi.org/10.1139/cjce-2017-0481https://doi.org/10.1139/cjce-2017-0481
    Contribution of longitudinal glass fiber-reinforced polymer (GFRP) bars in concrete columns under compression has been ignored by current design guidelines. This paper challenges this convention by testing 21 concrete ...
  • Corrugated Cardboard Core Sandwich Beams with Bio-based Flax Fiber Composite Skins 

    Publiher's version: McCracken, Aidan, % Sadeghian, Pedram. (2018), Corrugated Cardboard Core Sandwich Beams with Bio-based Flax Fiber Composite Skins. Corrugated cardboard core sandwich beams with bio-based flax fiber composite skins. Journal of Building Engineering 20:114-122. doi: 20 (114-122). doi: https://doi.org/10.1016/j.jobe.2018.07.009
  • Cumulative Impact Energy Absorption of Sandwich Panels with Foam Cores and Flax FRP Facings 

    Betts, Dillon, Sadeghian, Pedram, Fam, Amir. (2006). Cumulative Impact Energy Absorption of Sandwich Panels with Foam Cores and Flax FRP Facings.17th International NOCMAT Conference, Merida, Mexico
    In this paper, the cumulative energy absorption of sandwich panels constructed of foam cores and flax fiber-reinforced bio-based polymer (FFRP) faces is studied. Nine sandwich panels were constructed and tested under varying ...
  • Development of a Test Method for Strain Rate Testing of Flax FRPs in Direct Tension 

    Betts, Dillon, Sadeghian, Pedram, Fam, Amir. (2018). Development of a Test Method for Strain Rate Testing of Flax FRPs in Direct Tension. 2018 CSCE Annual Conference, Fredericton NB. Canadian Society of Civil Engineers
  • Durability of Concrete Beams with Bonded FRP Composites made of Flax and Glass Fibers 

    Synthetic fibers, such as glass fibers, in the form of fiber-reinforced polymer (FRP) composites have been extensively used for the repair and strengthening of existing concrete structures in the past three decades. As ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...