Time Dependant Analysis Of Prestressed Concrete Segmental Bridges
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Time Dependant Analysis Of Prestressed Concrete Segmental Bridges
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Author : G. Ziadet
language : en
Publisher:
Release Date : 1988
Time Dependant Analysis Of Prestressed Concrete Segmental Bridges written by G. Ziadet and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.
Time Dependent Analysis Of Prestressed Concrete Segmental Bridges
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Author : Ghassan Ziadat
language : en
Publisher:
Release Date : 1988
Time Dependent Analysis Of Prestressed Concrete Segmental Bridges written by Ghassan Ziadat and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.
Analysis Of Time Dependent Effects On Segmental Prestressed Concrete Curved Box Girder Bridges
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Author :
language : en
Publisher:
Release Date : 1997
Analysis Of Time Dependent Effects On Segmental Prestressed Concrete Curved Box Girder Bridges written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Non Linear Segmental Analysis Of Reinforced And Prestressed Concrete Bridges
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Author :
language : en
Publisher:
Release Date : 1990
Non Linear Segmental Analysis Of Reinforced And Prestressed Concrete Bridges written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.
A method of analysis and a computer program SPCFRAME (1989) for the material and geometric non-linear analysis of segmentally erected planar prestressed concrete frames including the time-dependent effects due to load history, temperature history, creep, shrinkage, aging of concrete and relaxation of prestress, is described. The program, based on the finite element method using one-dimensional elements, is capable of predicting the response of these structures throughout their various stages of construction and service load history, as well as through the elastic, cracking, inelastic, and ultimate ranges. Changes in boundary conditions and loads, installation, and removal of frame elements and prestressing tendons can be incorporated in the FE model for segmental bridge construction operations. The program SPCFRAME (1989) has been developed by combining the capabilities of PCFRAME (1977) for the linear analysis of prestressed concrete structures erected in one step and of SFRAME (1986) for the time-dependent analysis of segmentally erected prestressed concrete structures with linear elastic material properties. A number of improved non-linear analysis features has also been added to program SPCFRAME (1989) which is available from the authors. Results from a bridge numerical example are presented to illustrate the capabilities of SPCFRAME (1989). For the covering abstract of the Conference see IRRD Abstract No. 807839.
Time Dependent Deformations In Segmental Prestressed Concrete Bridges
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Author : Vernon Marshall
language : en
Publisher:
Release Date : 1981
Time Dependent Deformations In Segmental Prestressed Concrete Bridges written by Vernon Marshall and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Concrete categories.
Analysis And Design Of Prestressed Concrete
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Author : Di Hu
language : en
Publisher: Elsevier
Release Date : 2022-04-17
Analysis And Design Of Prestressed Concrete written by Di Hu and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-04-17 with Technology & Engineering categories.
Prestressing concrete technology is critical to understanding problems in existing civic structures including railway and highway bridges; to the rehabilitation of older structures; and to the design of new high-speed railway and long-span highway bridges. Analysis and Design of Prestressed Concrete delivers foundational concepts, and the latest research and design methods for the engineering of prestressed concrete, paying particular attention to crack resistance in the design of high-speed railway and long-span highway prestressed concrete bridges. The volume offers readers a comprehensive resource on prestressing technology and applications, as well as the advanced treatment of prestress losses and performance. Key aspects of this volume include analysis and design of prestressed concrete structures using a prestressing knowledge system, from initial stages to service; detailed loss calculation; time-dependent analysis on cross-sectional stresses; straightforward, simplified methods specified in codes; and in-depth calculation methods. Sixteen chapters combine standards and current research, theoretical analysis, and design methods into a practical resource on the analysis and design of prestressed concrete, as well as presenting novel calculation methods and theoretical models of practical use to engineers. Presents a new approach to calculating prestress losses due to anchorage seating Provides a unified method for calculating long-term prestress loss Details cross-sectional stress analysis of prestressed concrete beams from jacking to service Explains a new calculation method for long-term deflection of beams caused by creep and shrinkage Gives a new theoretical model for calculating long-term crack width
Journal Prestressed Concrete Institute
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Author : Prestressed Concrete Institute
language : en
Publisher:
Release Date : 1982
Journal Prestressed Concrete Institute written by Prestressed Concrete Institute and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Prestressed concrete categories.
Collapse Analysis Of Externally Prestressed Structures
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Author : Jens Tandler
language : en
Publisher: diplom.de
Release Date : 2014-04-11
Collapse Analysis Of Externally Prestressed Structures written by Jens Tandler and has been published by diplom.de this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-04-11 with Technology & Engineering categories.
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 [...]
Temperature Induced Deformations In Match Cast Segments And Their Effects On Precast Segmental Bridges
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Author : Raʼed Abendeh
language : en
Publisher: Cuvillier Verlag
Release Date : 2006
Temperature Induced Deformations In Match Cast Segments And Their Effects On Precast Segmental Bridges written by Raʼed Abendeh and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Nonlinear Geometric Material And Time Dependent Analysis Of Segmentally Erected Three Dimensional Cable Stayed Bridges
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Author : Sajid Abbas
language : en
Publisher:
Release Date : 1993
Nonlinear Geometric Material And Time Dependent Analysis Of Segmentally Erected Three Dimensional Cable Stayed Bridges written by Sajid Abbas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.