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Author : Rebaz Abdulghafoor Othman
Publisher :
ISBN 13 :
Total Pages : 71 pages
Book Rating : 4.:/5 (96 download)
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:
Author : M. J. N. Priestley
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.:/5 (318 download)
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:
Author : Fadzli Mohamed Nazri
Publisher : Springer
ISBN 13 : 303011984X
Total Pages : 74 pages
Book Rating : 4.0/5 (31 download)
Download or read book Precast Segmental Box Girders written by Fadzli Mohamed Nazri and published by Springer. This book was released on 2019-02-09 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores the fundamentals of the elastic behaviour of erected precast segmental box girders (SBG) when subjected to static load, as well as the construction process (casting and erection work) involved. It analyzes and compares the experimental results with those obtained using the finite element method and theoretical calculations. A short-term deflection analysis for different loads is obtained by determining the maximum deflection, stress and strain value of single span precast SBG under a variety of transversal slope. The outcome of this work provides a better understanding of the behaviour of precast SBG in terms of structural responses as well as defects, so that maintenance work can then be focused on the critical section at mid span area specifically for the bridge project longitudinally and transversely. The book is of interest to industry professionals involved in conducting static load tests on bridges, and all researchers, designers, and engineers seeking to validate experimental work with numerical and analytical approaches.
Author : Sanjay Chaudhury
Publisher :
ISBN 13 :
Total Pages : 304 pages
Book Rating : 4.:/5 (57 download)
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.
Author : Yu Huang
Publisher : Cambridge Scholars Publishing
ISBN 13 : 152755354X
Total Pages : 305 pages
Book Rating : 4.5/5 (275 download)
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.
Author : Mohammad Hossein Sadaghiani
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.:/5 (33 download)
Download or read book Study on the Effects of Geometry, Loading and Material Parameters in the Web Failure of Curved Box-girder Prestressed Concrete Bridges written by Mohammad Hossein Sadaghiani and published by . This book was released on 1986 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nutt, Redfield, and Valentine
Publisher : Transportation Research Board
ISBN 13 : 030911750X
Total Pages : 97 pages
Book Rating : 4.3/5 (91 download)
Download or read book Development of Design Specifications and Commentary for Horizontally Curved Concrete Box-girder Bridges written by Nutt, Redfield, and Valentine and published by Transportation Research Board. This book was released on 2008 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report provides specifications, commentary, and examples for the design of horizontally curved concrete box-girder highway bridges. The report details the development of the design procedures. Recommended Load and Resistance Factor Design (LRFD) specifications and design examples illustrating the application of the design methods and specifications are included in appendixes (available on the TRB website at http://trb.org/news/blurb_detail.asp?id=9596).
Author : Jens Tandler
Publisher : diplom.de
ISBN 13 : 3836623331
Total Pages : 153 pages
Book Rating : 4.8/5 (366 download)
Download or read book Collapse analysis of externally prestressed structures written by Jens Tandler and published by diplom.de. This book was released on 2014-04-11 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: Inhaltsangabe:Introduction: This dissertation is an investigation into the behaviour of externally prestressed structures, focusing on bridge box girders, at the ultimate limit state. The main objective is the ductility and the tendon stress increase up to failure of externally prestressed structures. Their behaviour will be compared to internally prestressed structures. The dissertation may have valuable information for the first stages of the design process for medium span bridges as the study is concerned about the overall safety and efficiency of prestressed concrete bridges by the means of ductility. The aim is also to provide information about the tendon stress at failure, which is required for the detailed design. Inhaltsverzeichnis:Inhaltsverzeichnis: AcknowledgementsVIII NotationIX 1.Introduction1 1.1Definitions1 1.2Significance of this study3 1.3Scope of the project5 1.4Historical overview and typical characteristics of external prestressing6 1.5Further structural applications of external prestressing9 2.Behaviour of externally prestressed structures10 2.1Tendon layout considerations10 2.2Behaviour at serviceability stage12 2.3Fatigue problems14 2.4Behaviour at ultimate limit stage14 2.4.1Influence of tendon slip on the ultimate limit state18 2.4.2Influence of the arrangement of the deviators on the behaviour at ultimate limit state19 2.4.3Influence of simply support and continuous support on the ultimate limit state20 2.4.4Precast segmental and monolithic bridges21 3.Collapse analysis23 3.1Investigated bridge types and their differences23 3.2Original bridge data28 3.3Simplified bridge data as basis for the calculations30 3.4FE Calculation32 3.4.1Technical aspects33 3.4.2General approach34 3.4.3Geometric model39 3.4.4Element specifications40 3.4.5Constitutive models45 3.4.6Ordinary reinforcement59 3.4.7Prestress60 3.4.8Material and geometric non-linearity63 3.4.9Kinematic constraints66 3.4.10Discrete crack propagation analysis of the precast segmental type with gap elements68 3.4.11Summary of the dividing features of the different structure types for the FE analysis72 4.Results73 4.1Load deflection behaviour73 4.2Tendon stress increase up to failure76 4.3Other results78 5.Discussion of the results85 5.1Interpretation of the results85 5.2Discussion of the exactness of the FE calculations by comparing to the full scale test89 5.3Comparison to other FE calculations and test results93 6.Conclusion and [...]
Author :
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.:/5 (938 download)
Download or read book Non-linear Finite Element Analyses of Prestressed Concrete Box-girder Bridges Subjected to Shear and Torsion written by and published by . This book was released on 2008 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Deepak R. Jiwani
Publisher :
ISBN 13 :
Total Pages : 320 pages
Book Rating : 4.:/5 (323 download)
Download or read book Non-linear Finite Element Analysis of a Deteriorated Prestressed Concrete Box Beam written by Deepak R. Jiwani and published by . This book was released on 1994 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Guenter Axel Rombach
Publisher : Thomas Telford
ISBN 13 : 9780727732743
Total Pages : 302 pages
Book Rating : 4.7/5 (327 download)
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.
Author : Caleb Mitchell
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (14 download)
Download or read book Finite Element Analyses and Proposed Strengthening of a Reinforced Concrete Box Girder Bridge Subjected to Differential Settlement written by Caleb Mitchell and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Kansas Department of Transportation's (KDOT) Bridge 059-045 is a reinforced concrete box girder bridge constructed in 1965 to connect the rural Shawnee Drive across Interstate 135 near McPhearson, Kansas, in between Salina and Wichita. The bridge was observed, during an annual inspection in 1998, to have experienced some settlement, which was further found to be due to its proximity to a sinkhole. This settlement progressed to noticeable levels in 2012 necessitating a semi-annual elevation profile survey that was consistently conducted by KDOT. In April 2016, KDOT determined that the bridge required a detailed finite element analysis to determine the safety and suitability of the bridge to stay open to traffic. Accordingly, a two-level Finite Element Analysis was performed using RISA 3D and Abaqus to assess the level of distress in the bridge due to the continuous differential settlement as a result of the active sinkhole deep in the soil under the bridge. The force-moment results were taken from the RISA 3D model for further analysis of various structural components that make up the bridge, including the box girder, piers, and piles. The stress distribution results from the Abaqus model were investigated for the same components of the bridge. A strengthening design scheme using near surface mounted fiber reinforced polymer rebar was developed to extend the service life of the bridge.
Author : Yu Huang
Publisher : Cambridge Scholars Publishing
ISBN 13 : 9781527542853
Total Pages : 301 pages
Book Rating : 4.5/5 (428 download)
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 2020-02 with total page 301 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.
Author : Jörg Schlaich
Publisher : IABSE
ISBN 13 : 3857480319
Total Pages : 114 pages
Book Rating : 4.8/5 (574 download)
Download or read book Concrete Box-girder Bridges written by Jörg Schlaich and published by IABSE. This book was released on 1982 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Heather Anne Doty
Publisher :
ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.:/5 (497 download)
Download or read book A Module for Finite Element Analysis of Prestressed Concrete Bridges written by Heather Anne Doty and published by . This book was released on 2001 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.:/5 (318 download)
Download or read book Computer Programs for Prestressed Concrete Box Girder Bridges written by and published by . This book was released on 1985 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kevin Robert Moffatt
Publisher :
ISBN 13 :
Total Pages : 390 pages
Book Rating : 4.:/5 (595 download)
Download or read book Finite element analysis of box girder bridges written by Kevin Robert Moffatt and published by . This book was released on 1974 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:
