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Three Dimensional Finite Element Analysis Of Decked Precast Prestressed Concrete Girder Bridges
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Book Synopsis Three Dimensional Finite Element Analysis of Decked Precast, Prestressed Concrete Girder Bridges by : Sanjay Chaudhury
Download or read book Three Dimensional Finite Element Analysis of Decked Precast, Prestressed Concrete Girder Bridges written by Sanjay Chaudhury and published by . This book was released on 2004 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The speed of construction has become the key issue for bridges. This is especially true in cold regions like Alaska, where you face a very short summer season. The speed of construction can be expedited by connections. As there are advantages in connections there are also disadvantages. One of the primary advantages of the connectors is that it makes the load transfer mechanism very efficient. However everything comes for a price. Maintenance of connections is very difficult. Routine inspections are to be made to ensure proper functioning of the system. This becomes a very important factor in Alaska where extreme winter conditions exists. Another issue is that the current connector design is based on an empirical approach. A rational design method is needed. In this study an effort has been made to find the presence of ISD on the live load distribution factor for single lane loading. Using ABAQUS CAE, 3D finite element (FE) models have been developed and analyzed with different parameters. By varying the parameters, different distribution factors corresponding to the reaction, strains (flexure and shear) as well as the forces originating from the connectors are evaluated and compared. This paper provides a basis for future connector design"--Leave iv.
Book Synopsis Testing and Analysis of a Continuous Prestressed Concrete Box Girder Bridge by : M. J. N. Priestley
Download or read book Testing and Analysis of a Continuous Prestressed Concrete Box Girder Bridge written by M. J. N. Priestley and published by . This book was released on 1977 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Finite Element Analyses of Full-depth Precast-prestressed Deck Panel Bridges by : Sung Je Chi
Download or read book Finite Element Analyses of Full-depth Precast-prestressed Deck Panel Bridges written by Sung Je Chi and published by . This book was released on 2007 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Finite Element Analysis of Prestressed Concrete Box Girder Bridge by : Rebaz Abdulghafoor Othman
Download or read book Finite Element Analysis of Prestressed Concrete Box Girder Bridge written by Rebaz Abdulghafoor Othman and published by . This book was released on 2013 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nonlinear, Time Dependent, Three Dimensional Finite Element Analysis for Reinforced and Prestressed Concrete Structures by : Yoav Sarne
Download or read book Nonlinear, Time Dependent, Three Dimensional Finite Element Analysis for Reinforced and Prestressed Concrete Structures written by Yoav Sarne and published by . This book was released on 1975 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Finite Element Design of Concrete Structures by : Guenter Axel Rombach
Download or read book Finite Element Design of Concrete Structures written by Guenter Axel Rombach and published by Thomas Telford. This book was released on 2004 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Finite Element Design of Concrete Structures: practical problems and their solutions the author addresses this blind belief in computer results by offering a useful critique that important details are overlooked due to the flood of information from the output of computer calculations. Indeed, errors in the numerical model may lead in extreme cases to structural failures as the collapse of the so-called Sleipner platform has demonstrated.
Book Synopsis Prestressed Concrete Bridges by : Nigel R. Hewson
Download or read book Prestressed Concrete Bridges written by Nigel R. Hewson and published by Thomas Telford. This book was released on 2003 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prestressed concrete decks are commonly used for bridges with spans between 25m and 450m and provide economic, durable and aesthetic solutions in most situations where bridges are needed. Concrete remains the most common material for bridge construction around the world, and prestressed concrete is frequently the material of choice. Extensively illustrated throughout, this invaluable book brings together all aspects of designing prestressed concrete bridge decks into one comprehensive volume. The book clearly explains the principles behind both the design and construction of prestressed concrete bridges, illustrating the interaction between the two. It covers all the different types of deck arrangement and the construction techniques used, ranging from in-situ slabs and precast beams; segmental construction and launched bridges; and cable-stayed structures. Included throughout the book are many examples of the different types of prestressed concrete decks used, with the design aspects of each discussed along with the general analysis and design process. Detailed descriptions of the prestressing components and systems used are also included. Prestressed Concrete Bridges is an essential reference book for both the experienced engineer and graduate who want to learn more about the subject.
Book Synopsis Design of Pier Segments in Segmental Hollow Box Girder Bridges by : Nigatu Chaffo
Download or read book Design of Pier Segments in Segmental Hollow Box Girder Bridges written by Nigatu Chaffo and published by Cuvillier Verlag. This book was released on 2004 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Finite Element Analysis and Design of Steel and Steel–Concrete Composite Bridges by : Ehab Ellobody
Download or read book Finite Element Analysis and Design of Steel and Steel–Concrete Composite Bridges written by Ehab Ellobody and published by Elsevier. This book was released on 2023-01-25 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second edition of Finite Element Analysis and Design of Steel and Steel-Concrete Composite Bridges is brought fully up-to-date and provides structural engineers, academics, practitioners, and researchers with a detailed, robust, and comprehensive combined finite modeling and design approach. The book’s eight chapters begin with an overview of the various forms of modern steel and steel-concrete composite bridges, current design codes (American, British, and Eurocodes), nonlinear material behavior of the bridge components, and applied loads and stability of steel and steel-concrete composite bridges. This is followed by self-contained chapters concerning design examples of steel and steel-concrete composite bridge components as well as finite element modeling of the bridges and their components. The final chapter focuses on finite element analysis and the design of composite highway bridges with profiled steel sheeting. This volume will serve as a valuable reference source addressing the issues, problems, challenges, and questions on how to enhance the design of steel and steel-concrete composite bridges, including highway bridges with profiled steel sheeting, using finite element modeling techniques. Provides all necessary information to understand relevant terminologies and finite element modeling for steel and composite bridges Discusses new designs and materials used in highway and railway bridge Illustrates how to relate the design guidelines and finite element modeling based on internal forces and nominal stresses Explains what should be the consistent approach when developing nonlinear finite element analysis for steel and composite bridges Contains extensive case studies on combining finite element analysis with design for steel and steel-concrete composite bridges, including highway bridges with profiled steel sheeting
Book Synopsis Finite Element Analysis of Prestressed Concrete Structures Using Post-Tensioning Steel by : Yu Huang
Download or read book Finite Element Analysis of Prestressed Concrete Structures Using Post-Tensioning Steel written by Yu Huang and published by Cambridge Scholars Publishing. This book was released on 2020-05-28 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book details the theory and applications of finite element (FE) modeling of post-tensioned (PT) concrete structures, and provides the updated MATLAB code (as of 2019). The challenge of modeling PT prestressed concrete structures lies in the treatment of the interface between the concrete and prestressing tendons. Using MATLAB, this study develops an innovative nonlinear FE formulation which incorporates contact techniques and engineering elements to considerably reduce the need of computational power. This FE formulation has the ability to simulate different PT frame systems with fully bonded, fully unbonded or partially bonded tendons, as well as actual sliding behavior and frictional effects in the tendons. It also allows for the accurate simulation of anchor seating loss.
Book Synopsis A Case Study of Elastic Concrete Deck Behavior in a Four-span Prestressed Girder Bridge by : Li Cao
Download or read book A Case Study of Elastic Concrete Deck Behavior in a Four-span Prestressed Girder Bridge written by Li Cao and published by . This book was released on 1993 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Finite Element Analysis and Design of Steel and Steel–Concrete Composite Bridges by : Ehab Ellobody
Download or read book Finite Element Analysis and Design of Steel and Steel–Concrete Composite Bridges written by Ehab Ellobody and published by Butterworth-Heinemann. This book was released on 2014-05-30 with total page 683 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, bridge engineers and researchers are increasingly turning to the finite element method for the design of Steel and Steel-Concrete Composite Bridges. However, the complexity of the method has made the transition slow. Based on twenty years of experience, Finite Element Analysis and Design of Steel and Steel-Concrete Composite Bridges provides structural engineers and researchers with detailed modeling techniques for creating robust design models. The book’s seven chapters begin with an overview of the various forms of modern steel and steel–concrete composite bridges as well as current design codes. This is followed by self-contained chapters concerning: nonlinear material behavior of the bridge components, applied loads and stability of steel and steel–concrete composite bridges, and design of steel and steel–concrete composite bridge components. Constitutive models for construction materials including material non-linearity and geometric non-linearity The mechanical approach including problem setup, strain energy, external energy and potential energy), mathematics behind the method Commonly available finite elements codes for the design of steel bridges Explains how the design information from Finite Element Analysis is incorporated into Building information models to obtain quantity information, cost analysis
Book Synopsis Finite Element Modeling and Analysis of Reinforced-concrete Bridge Decks by :
Download or read book Finite Element Modeling and Analysis of Reinforced-concrete Bridge Decks written by and published by . This book was released on 2000 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite its long history, the finite element method continues to be the predominant strategy employed by engineers to conduct structural analysis. A reliable method is needed for analyzing structures made of reinforced concrete, a complex but common ingredient in many bridges in Virginia. As an effective alternative to extensive experimentation, this study was implemented to evaluate the plausibility of finite element analysis of reinforced-concrete bridge decks. Analytical evaluations were performed with the commercial, general-purpose finite element code ABAQUS, which can effectively depict the nonlinear behavior of concrete. It also has the unique capability of describing the behavior of reinforcing bars independently of the concrete material. Three-dimensional finite element models were developed to determine the overall structural response of several reinforced-concrete systems. Biaxial strain distribution through the element thickness, longitudinal normal girder strains, and displacements were predicted with reasonable accuracy. The accuracy of the model was verified with hand calculations or response data acquired from laboratory testing.
Book Synopsis Strength and Stability of Prestressed Concrete Through-girder Pedestrian Bridges Subjected to Vehicular Impact by : Eray Baran
Download or read book Strength and Stability of Prestressed Concrete Through-girder Pedestrian Bridges Subjected to Vehicular Impact written by Eray Baran and published by . This book was released on 2007 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two issues regarding the prestressed concrete through-girder pedestrian bridge system are investigated. The first issue concerns the ductility of prestressed concrete girders in these bridges because the section that is typically used may be considered to be over-reinforced according to AASHTO LRFD Bridge Specifications. Response of the section, including neutral axis location, strand stress at ultimate capacity, and moment capacity, predicted by AASHTO Standard and AASHTO LRFD Specifications are compared with the sectional response determined from nonlinear strain compatibility analyses. Modifications are proposed to the AASHTO LRFD procedure to rectify the errors in predicting sectional response. The second issue that was investigated concerns the strength and stability of prestressed concrete through-girder pedestrian bridges when subjected to impact by over-height vehicles. Three-dimensional finite element models of entire bridges and subassemblages were used to evaluate the strength, stiffness, and ductility characteristics of the bridge system and connection details. Accurate representation of the bridge details in the finite element models were assured by utilizing experimentally determined load-deformation characteristics for the connections. Results showed that significant improvements in the lateral load-deflection behavior of the bridge system could be obtained by implementing alternate connection schemes, and that concrete side-walls should be provided at girder ends.
Book Synopsis Finite Element Analysis of Deep Wide-flanged Pre-stressed Girders to Understand and Control End Cracking by : Michael G. Oliva
Download or read book Finite Element Analysis of Deep Wide-flanged Pre-stressed Girders to Understand and Control End Cracking written by Michael G. Oliva and published by . This book was released on 2011 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 3-D Finite Element Modeling in OpenSees for Bridge Live-load Girder Distribution Factors by : Luke A. Scoggins
Download or read book 3-D Finite Element Modeling in OpenSees for Bridge Live-load Girder Distribution Factors written by Luke A. Scoggins and published by . This book was released on 2008 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: A generalized, three-dimensional, finite element bridge model was created in order to efficiently and accurately assess live-load girder distribution factors for a variety of bridge types. This model shortens the time required by bridge analysts to develop individual finite element models for bridges of varying geometries. The creation of the generalized bridge model was based on previous modeling techniques successfully implemented and tested by different researchers. The proposed modeling scheme utilizes a combination of shell elements for the deck, frame elements for the girders, and rigid beam links connecting these two element types. The versatility of the finite element program, OpenSees, allowed for the creation of this generalized bridge model. The Tcl scripting language, used to define the analysis for implementation in OpenSees, enhances the capabilities of generalizing the truck types and loading procedures for analysis. The generalized finite element bridge model developed for use in OpenSees was validated through comparison to two bridges analyzed by field testing and finite element modeling in a previous research study. The girder distribution factors of these conventionally reinforced concrete bridges were determined with the generalized bridge model and compared to the results of the previous research and to factors determined with the AASHTO LRFD (2003) specification. The results determined with the generalized model compared well with the results of the previous study and effectively validated the model. Factors evaluated with AASHTO LRFD (2003) were shown to be generally conservative. The generalized bridge model was found to accurately and efficiently evaluate live-load girder distribution factors and could prove useful to economically rate a large number of bridges.
Book Synopsis Extending Span Ranges of Precast Prestressed Concrete Girders by : Reid Wilson Castrodale
Download or read book Extending Span Ranges of Precast Prestressed Concrete Girders written by Reid Wilson Castrodale and published by Transportation Research Board. This book was released on 2004 with total page 603 pages. Available in PDF, EPUB and Kindle. Book excerpt: At head of title: National Cooperative Highway Research Program.