Frp To Concrete Bond Behaviour Under High Strain Rates

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FRP-to-concrete Bond Behaviour Under High Strain Rates

Author : Xiaoqin Li
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (827 download)

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Book Synopsis FRP-to-concrete Bond Behaviour Under High Strain Rates by : Xiaoqin Li

Download or read book FRP-to-concrete Bond Behaviour Under High Strain Rates written by Xiaoqin Li and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Fibre reinforced polymer (FRP) composites have been used for strengthening concrete structures since early 1990s. More recently, FRP has been used for retrofitting concrete structures for high energy events such as impact and blast. Debonding at the FRP-to-concrete interface is one of the predominant failure modes for both static and dynamic loading. Although extensive research has been conducted on the static bond behaviour, the bond-slip mechanics under high strain rates is not well understood yet. This thesis is mainly concerned with the FRP-to-concrete bond behaviour under dynamic loading. Because debonding mostly occurs in the concrete adjacent to the FRP, the behaviour of concrete is of crucial importance for the FRP-to-concrete bond behaviour. The early emphasis of this thesis is thus on the meso-scale concrete modelling of concrete with appropriate consideration of static and dynamic properties. Issues related to FE modelling of tensile and compressive localization of concrete are first investigated in detail under static condition using the K&C concrete damage model in LS-DYNA. It is discovered for the first time that dilation of concrete plays an important role in the FRP-to-concrete bond behaviour. This has led to the development of a model relating the shear dilation factor to the concrete strength based on the modelling of a large number of static FRP-to-concrete shear tests, forming the basis for dynamic modelling. Concrete dynamic increasing factor (DIF) has been a subject of extensive investigation and debate for many years, but it is for the first time discovered in this study that mesh objectivity cannot be achieved in meso-scale modelling of concrete under high strain rate deformation. This has led to the development of a mesh and strain rate dependent concrete tension DIF model. This DIF model shall have wide applications in meso-scale modelling of concrete, not limited to the topic in this thesis. Based on a detailed numerical investigation of the FRP-to-concrete bond shear test under different loading rates, taking on the above issues into careful consideration, a slip rate dependent FRP-to-concrete dynamic bond-slip model is finally proposed for the first time. The FE predictions deploring this proposed bond-slip model are compaed with test results of a set of FRP-to-concrete bonded specimens under impact loading, and a FRP plated slab under blast loading, validating the model.

Characteristics of Reinforced Concrete Bond at High Strain Rates

Author : Eric Jacques
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (129 download)

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Book Synopsis Characteristics of Reinforced Concrete Bond at High Strain Rates by : Eric Jacques

Download or read book Characteristics of Reinforced Concrete Bond at High Strain Rates written by Eric Jacques and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite the on-going intensity of research in the field of protective structural design, one topic that has been largely ignored in the literature is the effect of high strain rates on the bond between reinforcing steel and the surrounding concrete. Therefore, a comprehensive research program was undertaken to establish the effect of high strain rates on reinforced concrete bond. The experimental research consisted of the construction and testing of fourteen flexural beam-end bond specimens and twenty-five lap-spliced reinforced concrete beams. The physical and material properties of the specimens were selected based on a range of design parameters known to significantly influence bond strength. In order to establish a baseline for comparison, approximately half of the total number of specimens were subjected to static testing, while the remainder were subjected to dynamic loading generated using a shock tube. The strain rates generated using the shock tube were consistent with those obtained for mid- and far-field explosive detonation. Results of the beam-end and lap splice beam tests showed that the flexural behaviour of reinforced concrete was significantly stronger and stiffer when subjected to dynamic loading. Furthermore, the high strain rate bond strength was always greater than the corresponding low strain rate values, yielding an average dynamic increase factor (DIF) applied to ultimate bond strength of 1.28. Analysis of the low and high strain rate test results led to the development of empirical expressions describing the observed strain rate sensitivity of reinforced concrete bond for spliced and developed bars with and without transverse reinforcement. The predictive accuracy of the proposed DIF expressions was assessed against the experimental results and data from the literature. It was found that the dynamic bond strength of reinforced concrete can be predicted with reasonably good accuracy and that the proposed DIF expressions can be used for analysis and design of protective structures. An analytical method was also developed to predict the flexural load-deformation behaviour of reinforced concrete members containing tension lap splices. The analysis incorporated the effect of reinforcement slip through the use of pseudo-material stress-strain relationships, in addition to giving consideration to the effect of high strain rates on bond-slip characteristics and on the material properties of concrete and steel. A comparison of the analytical predictions with experimental data demonstrated that the proposed analysis technique can reasonably predict the flexural response of beams with tension lap splices. The results also demonstrated that the model is equally applicable for use at low- and high-strain rates, such as those generated during blast and impact.

Insights and Innovations in Structural Engineering, Mechanics and Computation

Author : Alphose Zingoni
Publisher : CRC Press
ISBN 13 : 1317280636
Total Pages : 2223 pages
Book Rating : 4.3/5 (172 download)

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Book Synopsis Insights and Innovations in Structural Engineering, Mechanics and Computation by : Alphose Zingoni

Download or read book Insights and Innovations in Structural Engineering, Mechanics and Computation written by Alphose Zingoni and published by CRC Press. This book was released on 2016-11-25 with total page 2223 pages. Available in PDF, EPUB and Kindle. Book excerpt: Insights and Innovations in Structural Engineering, Mechanics and Computation comprises 360 papers that were presented at the Sixth International Conference on Structural Engineering, Mechanics and Computation (SEMC 2016, Cape Town, South Africa, 5-7 September 2016). The papers reflect the broad scope of the SEMC conferences, and cover a wide range of engineering structures (buildings, bridges, towers, roofs, foundations, offshore structures, tunnels, dams, vessels, vehicles and machinery) and engineering materials (steel, aluminium, concrete, masonry, timber, glass, polymers, composites, laminates, smart materials).

Advances in FRP Composites in Civil Engineering

Author : Lieping Ye
Publisher : Springer Science & Business Media
ISBN 13 : 3642174876
Total Pages : 956 pages
Book Rating : 4.6/5 (421 download)

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Book Synopsis Advances in FRP Composites in Civil Engineering by : Lieping Ye

Download or read book Advances in FRP Composites in Civil Engineering written by Lieping Ye and published by Springer Science & Business Media. This book was released on 2012-02-01 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt: "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.

Building Code Requirements for Structural Concrete (ACI 318-08) and Commentary

Author : ACI Committee 318
Publisher : American Concrete Institute
ISBN 13 : 0870312642
Total Pages : 471 pages
Book Rating : 4.8/5 (73 download)

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Book Synopsis Building Code Requirements for Structural Concrete (ACI 318-08) and Commentary by : ACI Committee 318

Download or read book Building Code Requirements for Structural Concrete (ACI 318-08) and Commentary written by ACI Committee 318 and published by American Concrete Institute. This book was released on 2008 with total page 471 pages. Available in PDF, EPUB and Kindle. Book excerpt: The quality and testing of materials used in construction are covered by reference to the appropriate ASTM standard specifications. Welding of reinforcement is covered by reference to the appropriate AWS standard. Uses of the Code include adoption by reference in general building codes, and earlier editions have been widely used in this manner. The Code is written in a format that allows such reference without change to its language. Therefore, background details or suggestions for carrying out the requirements or intent of the Code portion cannot be included. The Commentary is provided for this purpose. Some of the considerations of the committee in developing the Code portion are discussed within the Commentary, with emphasis given to the explanation of new or revised provisions. Much of the research data referenced in preparing the Code is cited for the user desiring to study individual questions in greater detail. Other documents that provide suggestions for carrying out the requirements of the Code are also cited.

Seismic Performance of Corroded Reinforced Concrete Structures Retrofitted with FRP

Author : Dejian Shen
Publisher : Springer Nature
ISBN 13 : 9819979846
Total Pages : 394 pages
Book Rating : 4.8/5 (199 download)

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Book Synopsis Seismic Performance of Corroded Reinforced Concrete Structures Retrofitted with FRP by : Dejian Shen

Download or read book Seismic Performance of Corroded Reinforced Concrete Structures Retrofitted with FRP written by Dejian Shen and published by Springer Nature. This book was released on with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Study of Bond Between Fibre Reinforced Polymer and Concrete Under Quasi Static and Impact Loading

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (68 download)

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Book Synopsis A Study of Bond Between Fibre Reinforced Polymer and Concrete Under Quasi Static and Impact Loading by :

Download or read book A Study of Bond Between Fibre Reinforced Polymer and Concrete Under Quasi Static and Impact Loading written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis examines the typical behavior of the interface bond between a selection of FRP treatments and various types of surface preparation on reinforced concrete beams under loading. It also describes an innovative specimen that enables examination of bond properties using a notched beam under a four-point bending test. The thesis also studies the bond between FRP and concrete under impact loading and discusses the strain rate sensitivity of the FRP- oncrete bond. Three surface treatment methods (water jetting, sandblasting, and jackhammering), two bonding agents (aromatic isocyanate (ATPRIME®) and vinyl ester), and three FRP systems (sprayed glass fiber reinforced polymer, sprayed carbon fiber reinforced polymer, and glass fiber reinforced polymer wrap) were investigated. The influences of FRP bond length, specimen notch depth, and a wide range of loading rates (creep, quasi-static loading, and impact loading) on bond behavior were also investigated. The notched beam specimen was also used to understand the debonding mechanism under impact loading. An impact setup was successfully developed to measure the bond stress and fracture energy of the FRP- oncrete bond. Bond strength values and toughness values were calculated for different surface treatments, FRP application methods, and bonding agents used. The FRP- oncrete bond strength was found to be a strain rate sensitive parameter that increases as the strain rate increases. A dynamic improvement factor (DIF) was defined to characterise the influence of different material and strain rate parameters on bond strength. A correlation was found to relate dynamic improvement factor to strain rate for different surface preparation types. An attempt was made to calibrate the energy and traction parameters of the cohesive element in ABAQUS to reproduce the same load displacement behavior as observed in the test from a modeled beam. Using different ABAQUS cohesive zone parameters, the load displacement behavior of the be.

Highway Bridge under Collision and Explosion

Author : Hao Wu
Publisher : Springer Nature
ISBN 13 : 9819757142
Total Pages : 744 pages
Book Rating : 4.8/5 (197 download)

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Book Synopsis Highway Bridge under Collision and Explosion by : Hao Wu

Download or read book Highway Bridge under Collision and Explosion written by Hao Wu and published by Springer Nature. This book was released on with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Recommendations for Upgrading of Concrete Structures with Use of Continuous Fiber Sheets

Author : Kyuichi Maruyama
Publisher :
ISBN 13 : 9784810603552
Total Pages : 250 pages
Book Rating : 4.6/5 (35 download)

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Book Synopsis Recommendations for Upgrading of Concrete Structures with Use of Continuous Fiber Sheets by : Kyuichi Maruyama

Download or read book Recommendations for Upgrading of Concrete Structures with Use of Continuous Fiber Sheets written by Kyuichi Maruyama and published by . This book was released on 2001 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:

FRP-Strengthened Metallic Structures

Author : Xiao-Ling Zhao
Publisher : CRC Press
ISBN 13 : 0203895215
Total Pages : 289 pages
Book Rating : 4.2/5 (38 download)

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Book Synopsis FRP-Strengthened Metallic Structures by : Xiao-Ling Zhao

Download or read book FRP-Strengthened Metallic Structures written by Xiao-Ling Zhao and published by CRC Press. This book was released on 2013-09-13 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: Repairing or strengthening failing metallic structures traditionally involves using bulky and heavy external steel plates that often pose their own problems. The plates are generally prone to corrosion and overall fatigue. Fiber-reinforced polymer (FRP), a composite material made of a polymer matrix reinforced with fibers, offers a great alternativ

Proceedings of The 17th East Asian-Pacific Conference on Structural Engineering and Construction, 2022

Author : Guoqing Geng
Publisher : Springer Nature
ISBN 13 : 9811973318
Total Pages : 1545 pages
Book Rating : 4.8/5 (119 download)

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Book Synopsis Proceedings of The 17th East Asian-Pacific Conference on Structural Engineering and Construction, 2022 by : Guoqing Geng

Download or read book Proceedings of The 17th East Asian-Pacific Conference on Structural Engineering and Construction, 2022 written by Guoqing Geng and published by Springer Nature. This book was released on 2023-03-13 with total page 1545 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents articles from The 17th East Asian-Pacific Conference on Structural Engineering and Construction, 2022, organized by National University of Singapore. These peer-reviewed articles, authored by professional engineers, academics and researchers, highlight the recent research and developments in structural engineering and construction, embracing the theme- “Towards a Resilient and Sustainable City”. The papers presented in this proceeding provide in-depth discussions with key insights into the future research, development and engineering translation in structural engineering and construction.

Fiber-reinforced-plastic (FRP) Reinforcement for Concrete Structures

Author : Antonio Nanni
Publisher : Elsevier Publishing Company
ISBN 13 :
Total Pages : 468 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Fiber-reinforced-plastic (FRP) Reinforcement for Concrete Structures by : Antonio Nanni

Download or read book Fiber-reinforced-plastic (FRP) Reinforcement for Concrete Structures written by Antonio Nanni and published by Elsevier Publishing Company. This book was released on 1993 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of fiber reinforced plastic (FRP) composites for prestressed and non-prestressed concrete reinforcement has developed into a technology with serious and substantial claims for the advancement of construction materials and methods. Research and development is now occurring worldwide. The 20 papers in this volume make a further contribution in advancing knowledge and acceptance of FRP composites for concrete reinforcement. The articles are divided into three parts. Part I introduces FRP reinforcement for concrete structures and describes general material properties and manufacturing meth.

ACI 440. 2R-17 Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures

Author : ACI Committee 440
Publisher :
ISBN 13 : 9781945487590
Total Pages : 110 pages
Book Rating : 4.4/5 (875 download)

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Book Synopsis ACI 440. 2R-17 Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures by : ACI Committee 440

Download or read book ACI 440. 2R-17 Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures written by ACI Committee 440 and published by . This book was released on 2017-04-27 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Rehabilitation of Metallic Structural Systems Using Fiber Reinforced Polymer (FRP) Composites

Author : Vistasp M. Karbhari
Publisher : Elsevier
ISBN 13 : 0443220832
Total Pages : 656 pages
Book Rating : 4.4/5 (432 download)

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Book Synopsis Rehabilitation of Metallic Structural Systems Using Fiber Reinforced Polymer (FRP) Composites by : Vistasp M. Karbhari

Download or read book Rehabilitation of Metallic Structural Systems Using Fiber Reinforced Polymer (FRP) Composites written by Vistasp M. Karbhari and published by Elsevier. This book was released on 2024-11-01 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rehabilitation of Metallic Structural Systems Using Fiber-Reinforced Polymer (FRP) Composites, Second Edition provides comprehensive knowledge on the application of FRPs in various types of metallic field structures. Part I provides an overview of the various types of materials and systems and discusses the durability of bonds. Part II focuses on materials-level considerations, such as corrosion and mechanical behavior, putty effects on the effectiveness of pipeline systems, laser joining and the use of carbon and basalt FRP for underwater repair. Building on Part II, the final three sections focus on applications of FRP composites to steel components and various infrastructure systems. This book will be a standard reference for civil engineers, designers, materials scientists, and other professionals who are involved in the rehabilitation of metallic structures using fiber reinforced polymer composites. Contains eighteen new chapters covering materials-level aspects and applications Presents materials developments for tailored bonds, durability, and bond behavior Includes methods of analysis, testing, and implementation across a broad range of sectors Covers design aspects, guidelines, and codes Discusses economic aspects and future prospects

Strengthening and Rehabilitation of Civil Infrastructures Using Fibre-Reinforced Polymer (FRP) Composites

Author : L C Hollaway
Publisher : Elsevier
ISBN 13 : 1845694899
Total Pages : 415 pages
Book Rating : 4.8/5 (456 download)

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Book Synopsis Strengthening and Rehabilitation of Civil Infrastructures Using Fibre-Reinforced Polymer (FRP) Composites by : L C Hollaway

Download or read book Strengthening and Rehabilitation of Civil Infrastructures Using Fibre-Reinforced Polymer (FRP) Composites written by L C Hollaway and published by Elsevier. This book was released on 2008-07-18 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Moisture Behaviour in Shear Bond Properties of Frp-Concrete Interface

Author : Justin Shrestha
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659413230
Total Pages : 124 pages
Book Rating : 4.4/5 (132 download)

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Book Synopsis Moisture Behaviour in Shear Bond Properties of Frp-Concrete Interface by : Justin Shrestha

Download or read book Moisture Behaviour in Shear Bond Properties of Frp-Concrete Interface written by Justin Shrestha and published by LAP Lambert Academic Publishing. This book was released on 2013 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is very useful in giving insight to the moisture related durability issues in bonding between Fiber Reinforced Polymer (FRP) and concrete. The experimental study is divided into two parts. The first part includes test mechanical properties of the resin and the concrete under the influence of water. In the second part, single lap shear bond test was conducted to compare the ultimate bond strength, failure modes, fracture energy, bond stress-slip curves with and without water immersion at different exposure periods. Finally, using the experimental results, a simple unified bond stress-slip relation was proposed ignoring the immersion duration and resin type which could address both non-immersion and immersion case. The proposed model showed good agreement with the experimentally observed local bond stress-slip relations for normal/high strength bond specimens with and without water effect.

Incorporating Sustainable Practice in Mechanics and Structures of Materials

Author : Sam Fragomeni
Publisher : CRC Press
ISBN 13 : 0203829867
Total Pages : 956 pages
Book Rating : 4.2/5 (38 download)

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Book Synopsis Incorporating Sustainable Practice in Mechanics and Structures of Materials by : Sam Fragomeni

Download or read book Incorporating Sustainable Practice in Mechanics and Structures of Materials written by Sam Fragomeni and published by CRC Press. This book was released on 2010-11-18 with total page 956 pages. Available in PDF, EPUB and Kindle. Book excerpt: Incorporating Sustainable Practice in Mechanics of Structures and Materials is a collection of peer-reviewed papers presented at the 21st Australasian Conference on the Mechanics of Structures and Materials (ACMSM21, Victoria, University, Melbourne, Australia, 7th 10th of December 2010). The contributions from academics, researchers and practisin