Browsing by Author "Sadeghian, Pedram"
Now showing items 1-20 of 22
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Bond-Slip Analytical Formulation toward Optimal Embedment of Concrete-Filled Circular FRP Tubes into Concrete Footings
Sadeghian, Pedram; Fam, Amir (American Society of Civil Engineers, 2010-03-15)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 ... -
Closed-Form Model and Parametric Study on Connection of Concrete-Filled FRP Tubes to Concrete Footings by Direct Embedment
Sadeghian, Pedram; Fam, Amir (American Society of Civil Engineers, 2010-10-30)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
Fillmore, Brandon; Sadeghian, Pedram (Canadian Society for Civil Engineering:, 2017-05-31)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 ... -
Cumulative Impact Energy Absorption of Sandwich Panels with Foam Cores and Flax FRP Facings
Betts, Dillon; Sadeghian, Pedram; Fam, Amir (2017-11-27)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 ... -
Durability of Concrete Beams with Bonded FRP Composites made of Flax and Glass Fibers
Wroblewski, Laura; Hristozov, Dimo; Sadeghian, Pedram (CSCE, 2016-08-24)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
Hristozov, Dimo; Laura, Wroblewski; Sadeghian, Pedram (CDCC 2017, 2017-07-19)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
Sadeghian, Pedram; Rahai, Ali R; Ehsani, Mohammad R (Sage Publications, 2009-09)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 ... -
Experimental and Analytical Behavior of Sandwich Composite Beams: Comparison of Natural and Synthetic Materials
Sadeghian, Pedram; Hristozov, Dimo; Wroblewski, Laura (SAGE, 2016-05-31)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
Khorramian, Koosha; Sadeghian, Pedram (Elsevier, 2017)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 Study of Rectangular RC Columns Strengthened with CFRP Composites under Eccentric Loading
Sadeghian, Pedram; Rahai, Ali R; Ehsani, Mohammad R (American Society of Civil Engineers, 2010-01-28)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 ... -
Flexural Behavior of Sandwich Panels made of FRP Composites: Synthetic and Natural Fibers
Sadeghian, Pedram; Hristozov, Dimo; Wroblewski, Laura (CSCE, 2016-06-01)Sandwich panels made of fiber-reinforced polymer (FRP) skins and light-weight core materials have the potential to be effectively used in several structural applications such as cladding, decking, and roofing panels. The ... -
Green Sandwich Composites Fabricated from Flax FRP Facings and Corrugated Cardboard Cores
McCracken, Aidan; Sadeghian, Pedram (2017-11-27)Composite sandwich beams and panels made of fiber-reinforced polymer (FRP) and lightweight, low-density core materials have been shown to be effective in reducing weight and increasing strength and stiffness in a variety ... -
Hybrid FRP Strengthening of Slender Steel Members for Buckling Control
Sadeghian, Pedram; MacEachern, Daina (ASCE, 2020-10-01)In this paper, the structural properties and behaviour of slender steel members strengthened against buckling by a hybrid system of fibre-reinforced polymer (FRP) shells filled with self-consolidating grout (SCG), in the ... -
Improved Design-Oriented Confinement Models for FRP-Wrapped Concrete Cylinders based on Statistical Analyses
Sadeghian, Pedram; Fam, Amir (Elsevier, 2015-03-15)This paper introduces improved design-oriented confinement models for cylindrical concrete members wrapped with fiber reinforced polymer (FRP) composites based on a rigorous statistical evaluation of a large database. As ... -
Lateral Behaviour of Concrete-Filled FRP Tube Piles
Jafarian Abyaneh, Mostafa; El Naggar, Hany; Sadeghian, Pedram (2017-10-01)Applications of fiber-reinforced polymer (FRP) composite piles are rapidly gaining traction in Canada and around the world. FRP piles offer several advantages compared to traditional piles, the most important of which is ... -
Long-Term Tensile Properties of Natural Fibre-Reinforced Polymer Composites: Comparison of Flax and Glass Fibres
Hristozov, Dimo; Wroblewski, Laura; Sadeghian, Pedram (Elsevier, 2016-06)Despite of significant research on the mechanical properties of fibre-reinforced polymer composites made of natural fibres, long-term performance of the natural fibre composites against moisture and other environmental ... -
Short Concrete Columns Reinforced with GFRP Rebars under Eccentric Loading
Khorramian, Koosha; Sadeghian, Pedram (Canadian Society for Civil Engineering, 2017-05-31)In this paper, the compressive performance of short concrete columns reinforced with glass fiber-reinforced polymer (GFRP) composite rebars is evaluated. A total of fourteen 500 mm long concrete specimens with square ... -
Strengthening Concrete Columns using NSM CFRP Laminates
Khorramian, Koosha; Sadeghian, Pedram (6th Asia-Pacific Conference on FRP in Structures, 2017-07-19)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 ... -
Strengthening Short Concrete Columns Using Longitudinally Bonded CFRP Laminates
Khorramian, Koosha; Sadeghian, Pedram (ACI, 2017-10)This paper investigates the behavior of short concrete columns strengthened with externally bonded longitudinal carbon fiber-reinforced polymer (CFRP) laminates combined with transverse basalt fiber-reinforced polymer ... -
Strengthening Slender Reinforced Concrete Columns Using High-Modulus Bonded Longitudinal Reinforcement for Buckling Control
Sadeghian, Pedram; Fam, Amir (American Society of Civil Engineers, 2015-04)This paper introduces a model for strengthening slender reinforced concrete columns. The proposed technique aims at controlling second-order lateral deflections using longitudinal high-modulus bonded reinforcement, thereby ...