3D finite element model for hybrid FRP-confined concrete in compression using modified CDPM

Abstract The main goal of the work herein presented is to propose an accurate three-dimensional finite element model to predict the compressive behaviour of hybrid FRP-confined concrete. This was achieved through the modification of the concrete damaged plasticity model (CDPM) available in ABAQUS software, since the original CDPM has shortcomings that make it unusable to predict the compressive behaviour of confined concrete. It was demonstrated that, by turning the yield function and the flow rule dependents on the confining pressure, it is possible to use the model referred to and obtain accurate results. An analytical model was used to obtain the input parameters needed to calibrate the CDPM. A specific user subroutine was developed to modify the original CDPM. Hybrid FRP properties were calibrated as well, using an appropriate analytical model. Plasticity was assumed in the hybrid combinations for which pseudo-ductile tensile responses occurred. The performance of the proposed CDPM was validated using both experimental results and analytical predictions. It was concluded that, by using the developed 3D finite element model for hybrid FRP-confined concrete in compression, a very good agreement between experimental, analytical and numerical compressive stress-strain and lateral strain-axial strain curves is reached.

[1]  Elie G. Hantouche,et al.  Stress-strain model for fiber-reinforced polymer jacketed concrete columns , 2006 .

[2]  N. Grace,et al.  Development and application of innovative triaxially braided ductile FRP fabric for strengthening concrete beams , 2004 .

[3]  Michael R Wisnom,et al.  Pseudo-ductility in intermingled carbon/glass hybrid composites with highly aligned discontinuous fibres , 2015 .

[4]  Michael R Wisnom,et al.  Demonstration of pseudo-ductility in high performance glass-epoxy composites by hybridisation with thin-ply carbon prepreg , 2013 .

[5]  Zhishen Wu,et al.  Flexural Performance of HFRP-RC Composite T-Beams with Different Interfaces , 2017 .

[6]  Sujeeva Setunge,et al.  Complete Triaxial Stress-Strain Curves of High-Strength Concrete , 2001 .

[7]  Le Huang,et al.  Finite element modeling of steel-polypropylene hybrid fiber reinforced concrete using modified concrete damaged plasticity , 2017 .

[8]  M. Nehdi,et al.  Shear repair of RC beams using epoxy injection and hybrid external FRP , 2011 .

[9]  Tao Yu,et al.  Finite element modeling of confined concrete-II: Plastic-damage model , 2010 .

[10]  L. Ye,et al.  Behaviour of concrete beam–column connections reinforced with hybrid FRP sheet , 2002 .

[11]  M. Wisnom,et al.  Numerical modelling of the damage modes in UD thin carbon/glass hybrid laminates , 2014 .

[12]  E. Oñate,et al.  A plastic-damage model for concrete , 1989 .

[13]  Bijan Samali,et al.  Reinforcement of concrete beam–column connections with hybrid FRP sheet , 1999 .

[14]  M. Wisnom,et al.  Parametric study of failure mechanisms and optimal configurations of pseudo-ductile thin-ply UD hybrid composites , 2015 .

[15]  Zhong Tao,et al.  Finite element modelling of concrete-filled steel stub columns under axial compression , 2013 .

[16]  Yentl Swolfs,et al.  Fibre hybridisation in polymer composites: a review , 2014 .

[17]  Sang-Su Ha,et al.  Hybrid Effects of Carbon-Glass FRP Sheets in Combination with or without Concrete Beams , 2014 .

[18]  S. Popovics.  A numerical approach to the complete stress-strain curve of concrete , 1973 .

[19]  Togay Ozbakkaloglu,et al.  Stress–strain model for normal- and light-weight concretes under uniaxial and triaxial compression , 2014 .

[20]  José Sena-Cruz,et al.  Hybrid FRP jacketing for enhanced confinement of circular concrete columns in compression , 2018, Construction and Building Materials.

[21]  Michael C. Griffith,et al.  Experimental and numerical study of the flexural behaviour of ultra-high performance fibre reinforced concrete beams , 2017 .

[22]  Aliakbar Gholampour,et al.  Damage-Plasticity Model for FRP-Confined Normal-Strength and High-Strength Concrete , 2016 .

[23]  N. Attari,et al.  Efficiency of Beam–Column Joint Strengthened by FRP Laminates , 2010 .

[24]  Michael R Wisnom,et al.  Design and characterisation of advanced pseudo-ductile unidirectional thin-ply carbon/epoxy-glass/epoxy hybrid composites , 2016 .

[25]  B. Samali,et al.  Parametric finite element analysis of RC wide beam-column connections , 2018, Computers & Structures.

[26]  L. Bank.  Composites for Construction: Structural Design with FRP Materials , 2006 .

[27]  Jeeho Lee,et al.  Plastic-Damage Model for Cyclic Loading of Concrete Structures , 1998 .

[28]  Jamal A. Abdalla,et al.  Temperature effect on the mechanical properties of carbon, glass and carbon–glass FRP laminates , 2015 .

[29]  J. Summerscales,et al.  Carbon fibre and glass fibre hybrid reinforced plastics , 1978 .

[30]  N. Attari,et al.  Flexural strengthening of concrete beams using CFRP, GFRP and hybrid FRP sheets , 2012 .

[31]  Amr Abdelrahman,et al.  Performance of reinforced concrete beams strengthened by hybrid FRP laminates , 2006 .

[32]  J. Teng,et al.  Three-Dimensional Finite-Element Analysis of FRP-Confined Circular Concrete Columns under Eccentric Loading , 2017 .

[33]  Togay Ozbakkaloglu,et al.  Lateral Strain-to-Axial Strain Relationship of Confined Concrete , 2015 .

[34]  J. D. Nzabonimpa,et al.  Structural performance of detachable precast composite column joints with mechanical metal plates , 2018 .

[35]  Jamal A. Abdalla,et al.  Models for predicting elastic modulus and tensile strength of carbon, basalt and hybrid carbon-basalt FRP laminates at elevated temperatures , 2016 .

[36]  Michael R Wisnom,et al.  Damage analysis of pseudo-ductile thin-ply UD hybrid composites - A new analytical method , 2015 .

[37]  M. Kamiński,et al.  Modelling of reinforced concrete structures and composite structures with concrete strength degradation taken into consideration , 2011 .

[38]  Antonio De Luca,et al.  Structural Evaluation of Full-Scale FRP-Confined Reinforced Concrete Columns , 2011 .

[39]  Kurt H. Gerstle,et al.  Behavior of Concrete Under Biaxial Stresses , 1969 .

[40]  J. Brito,et al.  Finite element modelling of short steel tubes filled with rubberized concrete , 2016 .

[41]  Tao Yu,et al.  Three-dimensional finite element analysis of reinforced concrete columns with FRP and/or steel confinement , 2015 .

[42]  J. Sena-Cruz,et al.  Hybrid effect and pseudo-ductile behaviour of unidirectional interlayer hybrid FRP composites for civil engineering applications , 2018 .

[43]  T. Jankowiak,et al.  Identification of parameters of concrete damage plasticity constitutive model , 2005 .

[44]  G. Wu,et al.  Structural Performance of Concrete Confined with Hybrid FRP Composites , 2008 .

[45]  L. Gorbatikh,et al.  Hybrid effects in thin ply carbon/glass unidirectional laminates: Accurate experimental determination and prediction , 2016 .

[46]  Togay Ozbakkaloglu,et al.  Unified Stress-Strain Model for FRP and Actively Confined Normal-Strength and High-Strength Concrete , 2015 .

[47]  Alper Ilki,et al.  Hybrid confinement of concrete through use of low and high rupture strain FRP , 2018, Composites Part B: Engineering.

[48]  John Vantomme,et al.  Finite element modelling of the biaxial behaviour of high-performance fibre-reinforced cement composites (HPFRCC) using Concrete Damaged Plasticity , 2015 .

[49]  Zhishen Wu,et al.  Strengthening of Preloaded RC Beams Using Hybrid Carbon Sheets , 2007 .

[50]  Jamal A. Abdalla,et al.  Behavior of reinforced concrete beams strengthened with externally bonded hybrid fiber reinforced polymer systems , 2014 .

[51]  Zhishen Wu,et al.  Numerical Study on the Applicability of Design-Oriented Models of FRP-Confined Concrete for Predicting the Cyclic Response of Circular FRP-Jacketed RC Columns , 2017 .

[52]  Elie G. Hantouche,et al.  Finite element modeling of FRP-confined concrete using modified concrete damaged plasticity , 2016 .

[53]  Kuang-Han Chu,et al.  STRESS-STRAIN RELATIONSHIP FOR PLAIN CONCRETE IN COMPRESSION , 1985 .

[54]  V. Papanikolaou,et al.  Confinement-sensitive plasticity constitutive model for concrete in triaxial compression , 2007 .

[55]  Nabil F. Grace,et al.  Strengthening of Concrete Beams Using Innovative Ductile Fiber-Reinforced Polymer Fabric , 2002 .