Finite Element Modeling Of Reinforced Concrete Beams Externally Strengthened By Frp Composites
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Finite Element Modeling Of Reinforced Concrete Beams Externally Strengthened By Frp Composites
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Author : Tanarat Potisuk
language : en
Publisher:
Release Date : 2000
Finite Element Modeling Of Reinforced Concrete Beams Externally Strengthened By Frp Composites written by Tanarat Potisuk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Concrete beams categories.
Three-dimensional finite element models are developed to simulate the behavior of four fill-scale reinforced concrete beams. The beams are constructed with different fiber-reinforced polymer (FRP) strengthening schemes, and are modeled using ANSYS, a commercially available finite element analysis program. The experimental beams replicate the transverse beams of the Horsetail Creek Bridge, and were constructed and tested at Oregon State University. The finite element models use a smeared cracking approach for the concrete and three-dimensional layered elements to model the FRP composites. It was found that the finite element models could effectively simulate the behavior of the full-scale beams. Results obtained from the finite element analysis are presented and compared with the experimental data from the full-scale beam tests through the linear and nonlinear ranges up to failure. Comparisons are made for load-strain plots, load-deflection plots, first cracking loads, loads at failure, and crack patterns at failure. The results from the finite element analysis show good agreement with those from the experimental data and support hand calculation predictions for the experiment very well. The crack patterns at failure predicted by the finite element program strongly corroborate the failure modes observed for the full-scale beam tests. Recommendations for finite element modeling improvement are included.
Finite Element Modeling Of Reinforced Concrete Beams Strengthened With Frp Composite Sheets
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Author : Minglei Jia
language : en
Publisher:
Release Date : 2003
Finite Element Modeling Of Reinforced Concrete Beams Strengthened With Frp Composite Sheets written by Minglei Jia and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Fiber-reinforced concrete categories.
Nonlinear Finite Element Analysis Of Composite And Reinforced Concrete Beams
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Author : Xiaoshan Lin
language : en
Publisher: Woodhead Publishing
Release Date : 2019-10-18
Nonlinear Finite Element Analysis Of Composite And Reinforced Concrete Beams written by Xiaoshan Lin and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-18 with Architecture categories.
Nonlinear Finite Element Analysis of Composite and Reinforced Concrete Beams presents advanced methods and techniques for the analysis of composite and FRP reinforced concrete beams. The title introduces detailed numerical modeling methods and the modeling of the structural behavior of composite beams, including critical interfacial bond-slip behavior. It covers a new family of composite beam elements developed by the authors. Other sections cover nonlinear finite element analysis procedures and the numerical modeling techniques used in commercial finite element software that will be of particular interest to engineers and researchers executing numerical simulations. Gives advanced methods and techniques for the analysis of composite and fiber Reinforced Plastic (FRP) and reinforced concrete beams Presents new composite beam elements developed by the authors Introduces numerical techniques for the development of effective finite element models using commercial software Discusses the critical issues encountered in structural analysis Maintains a clear focus on advanced numerical modeling
Behavior Of Frp Strengthened Concrete Panel Elements Subjected To Pure Shear
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Author : S. M. Mehdi Zomorodian
language : en
Publisher:
Release Date : 2015
Behavior Of Frp Strengthened Concrete Panel Elements Subjected To Pure Shear written by S. M. Mehdi Zomorodian and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Civil engineering categories.
Several investigations have revealed that many aging civil engineering structures such as highway bridges are structurally deficient and need repairs and/or retrofitting. Among various solutions, fiber reinforce polymer (FRP) composites have shown a promising solution and have been increasingly used in rehabilitation and strengthening of reinforced concrete (RC) structures. Although, researchers have devoted a tremendous effort on studies related to FRP shear strengthening of RC structures, the state of knowledge shows that the problem is not fully resolved and there are still controversies in the prediction of shear behavior in the presence of FRP. To predict the increase in shear capacity due to FRP strengthening, several analytical models have been proposed. However, when these models are compared using existing experimental database, they show inconsistencies and large scatter in the prediction. This is due in part to the high level of complexity associated with the shear behavior, but more importantly due to the lack of rational constitutive models for FRP shear strengthened elements. This research study aims at establishing the shear constitutive behavior of externally bonded FRP strengthened RC elements subjected to pure shear through experimental investigations and development of associated analytical and finite element models. In order to evaluate such behavior, at the first part of the research, a series of full-scale FRP strengthened RC panels were constructed and tested under pure shear stress field using the University of Houston’s state of the art panel tester. It was found that application of FRP sheets increased the shear capacity of RC panels. Also, the shear behavior of FRP strengthened RC members is influenced mainly by the FRP stiffness, wrapping scheme, and the internal shear reinforcement. Based on the test results, the Softened Membrane Model (SMM), which was developed for reinforced concrete, was modified and extended for application to FRP strengthened RC members. The second part of this research involved the development of a computer program for analysis of FRP strengthened RC structures. The constitutive laws of FRP strengthened RC members, developed through previous research at UH, have been implemented into the finite element frame work OpenSees to predict the behavior of FRP strengthened RC panels and beams under monotonic loading. The analytical model was tested and validated using existing experimental data. Furthermore, to investigate the serviceability conditions in FRP strengthened RC structures, the crack characteristics of a series of full-scale tensile tests of FRP strengthened RC prisms and test panels have been monitored by using a digital image correlation system. The experimental results were used to calibrate a newly developed equation to calculate crack spacing and crack width in RC elements externally strengthened with FRP.
Advances In Frp Composites In Civil Engineering
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Author : Lieping Ye
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-02-01
Advances In Frp Composites In Civil Engineering written by Lieping Ye and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-02-01 with Technology & Engineering categories.
"Advances in FRP Composites in Civil Engineering" contains the papers presented at the 5th International Conference on Fiber Reinforced Polymer (FRP) Composites in Civil Engineering in 2010, which is an official conference of the International Institute for FRP in Construction (IIFC). The book includes 7 keynote papers which are presented by top professors and engineers in the world and 203 papers covering a wide spectrum of topics. These important papers not only demonstrate the recent advances in the application of FRP composites in civil engineering, but also point to future research endeavors in this exciting area. Researchers and professionals in the field of civil engineering will find this book is exceedingly valuable. Prof. Lieping Ye and Dr. Peng Feng both work at the Department of Civil Engineering, Tsinghua University, China. Qingrui Yue is a Professor at China Metallurgical Group Corporation.
Finite Element Modeling Of Reinforced Concrete Structures Strengthened With Frp Laminates
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Author : Damian I. Kachlakev
language : en
Publisher:
Release Date : 2001
Finite Element Modeling Of Reinforced Concrete Structures Strengthened With Frp Laminates written by Damian I. Kachlakev and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Concrete beams categories.
Towards Modelling Of Reinforced Concrete Members With Externally Bonded Fibre Reinforced Polymer Frp Composites
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Author : Rita Sheung Ying Wong
language : en
Publisher:
Release Date : 2001
Towards Modelling Of Reinforced Concrete Members With Externally Bonded Fibre Reinforced Polymer Frp Composites written by Rita Sheung Ying Wong and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Fibre reinforced polymer (FRP) composites have been increasingly studied for their application in the flexural or shear strengthening of reinforced concrete members. Although substantial increases in strength have been achieved, reductions in ductility have also been reported, as a result of debonding failures near the concrete-FRP interface. The debonding phenomenon has been the subject of numerous investigations, including the experimental program described herein, which involved the strengthening of shear-critical beams using carbon FRP strips. It has been determined that the bond-slip behaviour at the bond interface must be considered in the numerical modelling of externally-reinforced members. Essential to analyses utilizing a finite element program are the formulation of bond elements and their constitutive relations. The implementation of link and contact elements, along with linear elastic and elastic-plastic bond laws, has produced accurate predictions of member response.
Finite Element Analysis Of Fiber Reinforced Polymer Composite Reinforced Concrete Beams
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Author : Muhanad M. M.
language : en
Publisher:
Release Date : 2008
Finite Element Analysis Of Fiber Reinforced Polymer Composite Reinforced Concrete Beams written by Muhanad M. M. and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
Strengthening And Rehabilitation Of Civil Infrastructures Using Fibre Reinforced Polymer Frp Composites
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Author : L C Hollaway
language : en
Publisher: Elsevier
Release Date : 2008-07-18
Strengthening And Rehabilitation Of Civil Infrastructures Using Fibre Reinforced Polymer Frp Composites written by L C Hollaway and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-07-18 with Technology & Engineering categories.
The repair of deteriorated, damaged and substandard civil infrastructures has become one of the most important issues for the civil engineer worldwide. This important book discusses the use of externally-bonded fibre-reinforced polymer (FRP) composites to strengthen, rehabilitate and retrofit civil engineering structures, covering such aspects as material behaviour, structural design and quality assurance. The first three chapters of the book review structurally-deficient civil engineering infrastructure, including concrete, metallic, masonry and timber structures. FRP composites used in rehabilitation and surface preparation of the component materials are also reviewed. The next four chapters deal with the design of FRP systems for the flexural and shear strengthening of reinforced concrete (RC) beams and the strengthening of RC columns. The following two chapters examine the strengthening of metallic and masonry structures with FRP composites. The last four chapters of the book are devoted to practical considerations in the flexural strengthening of beams with unstressed and prestressed FRP plates, durability of externally bonded FRP composite systems, quality assurance and control, maintenance, repair, and case studies. With its distinguished editors and international team of contributors, Strengthening and rehabilitation of civil infrastructures using fibre-reinforced polymer (FRP) composites is a valuable reference guide for engineers, scientists and technical personnel in civil and structural engineering working on the rehabilitation and strengthening of the civil infrastructure. Reviews the use of fibre-reinforced polymer (FRP) composites in structurally damaged and sub-standard civil engineering structures Examines the role and benefits of fibre-reinforced polymer (FRP) composites in different types of structures such as masonry and metallic strengthening Covers practical considerations including material behaviour, structural design and quality assurance
Rehabilitation Of Concrete Structures With Fiber Reinforced Polymer
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Author : Riadh Al-Mahaidi
language : en
Publisher: Butterworth-Heinemann
Release Date : 2018-11-12
Rehabilitation Of Concrete Structures With Fiber Reinforced Polymer written by Riadh Al-Mahaidi and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-12 with Technology & Engineering categories.
Rehabilitation of Concrete Structures with Fiber Reinforced Polymer is a complete guide to the use of FRP in flexural, shear and axial strengthening of concrete structures. Through worked design examples, the authors guide readers through the details of usage, including anchorage systems, different materials and methods of repairing concrete structures using these techniques. Topics include the usage of FRP in concrete structure repair, concrete structural deterioration and rehabilitation, methods of structural rehabilitation and strengthening, a review of the design basis for FRP systems, including strengthening limits, fire endurance, and environmental considerations. In addition, readers will find sections on the strengthening of members under flexural stress, including failure modes, design procedures, examples and anchorage detailing, and sections on shear and torsion stress, axial strengthening, the installation of FRP systems, and strengthening against extreme loads, such as earthquakes and fire, amongst other important topics. Presents worked design examples covering flexural, shear, and axial strengthening Includes complete coverage of FRP in Concrete Repair Explores the most recent guidelines (ACI440.2, 2017; AS5100.8, 2017 and Concrete society technical report no. 55, 2012)