Design Of Horizontally Curved Composite Box Girder Bridges

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Design Of Horizontally Curved Composite Box Girder Bridges

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Author :
language : en
Publisher:
Release Date : 1995

Design Of Horizontally Curved Composite 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 1995 with categories.

Because of their excellent torsional capacity, box girders are used extensively in modern bridge construction having curved alignments. Applications of most design codes have been limited to bridges where the radius of curvature is much greater than the span length and cross-sectional dimensions. To meet the practical requirements arising during the design process, simple design methods are needed for curved bridges. This paper presents the results of a parametric study on the relative behaviour of curved and straight box-girder bridges and on the development of a simplified design method for the combined longitudinal moment of curved bridges. The combined moment includes the effects of flexure, torsion, and distortion. Three simply supported concrete-steel composite bridge models, including single-cell, twin-cell, and three-cell box giders and subjected to loadings as specified in the Ontario Highway Bridge Design Code, were analyzed using the finite strip method. The parameters considered in the study include types of cross section: types, locations, and magnitudes of loads; span lengths; and radius of curvature. Preliminary analysis of the results suggests that the behaviour of horizontally curved box-girder bridges is dependent of a variety of parameters, but most importantly on the span-to-radius ratio. Empirical relationships for combined longitudinal moment between curved and straight box-girder bridges are also proposed.

Behavior Design And Construction Of Horizontally Curved Composite Steel Box Girder Bridges Microform

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Author : Muayad Whyib Aldoori
language : en
Publisher: Library and Archives Canada = Bibliothèque et Archives Canada
Release Date : 2004

Behavior Design And Construction Of Horizontally Curved Composite Steel Box Girder Bridges Microform written by Muayad Whyib Aldoori and has been published by Library and Archives Canada = Bibliothèque et Archives Canada this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

Horizontally curved girder bridges have been used considerably in recent years in highly congested urban areas. However, although significant research on physical testing and advanced analysis has been underway for the past decade, the practical employment of many recommendations has not been achieved by the engineering community nor have standards reflecting this work been brought into practice. The design process of curved composite bridges involves tracking the stresses and the potential failure change in the girders during erection, construction and service loading stages. For structural safety and serviceability, the designer estimates the stresses induced within the bridge and assure that they do not exceed the applicable specified limit state as required in bridge design standards. However, the designer may be concerned about the level of approximation that is used in his estimate or even the applicability of the underlying theory. To answer this question and provide the designer with more insight into the behavior of the curved bridges, the field testing during construction and service loading of a curved bridge located near Baltimore, Maryland is re-examined here using linear elastic three-dimensional finite element modeling. Comparisons are made between the finite element results and the measured results. Finally, to facilitate the finite element modeling effort for use by a designer, ANSYS Parametric Design Language (APDL) capabilities are used here to develop an analysis/design tool for "Bath-Tub" style curved steel girder bridges. This tool is then used to evaluate the effects of several important design variables on the response and behavior of the girders during the construction phase. This study demonstrates the ability of finite element modeling to assess the stiffness, serviceability performance, buckling behavior and ultimate strength of curved bridges during construction and it is a major step towards a performance based approach to design for stability. The level of safety or reliability that would be available during the erection and the construction processes of horizontally curved girder bridges represents another major concern for the designer. A three span continuous curved box girder bridge in Houston, Texas is used in this study as an example reflecting current detailing and fabricating practice and it is chosen for a detailed evaluation of the structural safety/reliability during the erection and construction process. This task involves simulating the girder erection and concrete slab placement sequence of the bridge using comprehensive nonlinear three dimensional finite element modeling.

Development Of Lrfd Specifications For Horizontally Curved Steel Girder Bridges

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Author : J. M. Kulicki
language : en
Publisher: Transportation Research Board
Release Date : 2006

Development Of Lrfd Specifications For Horizontally Curved Steel Girder Bridges written by J. M. Kulicki and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Bridges categories.

This report contains the findings of research performed to develop design specifications for horizontally curved steel girder bridges.

Improved Design Specifications For Horizontally Curved Steel Girder Highway Bridges

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Author : Dann H. Hall
language : en
Publisher: Transportation Research Board
Release Date : 1999

Improved Design Specifications For Horizontally Curved Steel Girder Highway Bridges written by Dann H. Hall and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Technology & Engineering categories.

Development Of Design Specifications And Commentary For Horizontally Curved Concrete Box Girder Bridges

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Author : Nutt, Redfield, and Valentine
language : en
Publisher: Transportation Research Board
Release Date : 2008

Development Of Design Specifications And Commentary For Horizontally Curved Concrete Box Girder Bridges written by Nutt, Redfield, and Valentine and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Box girder bridges categories.

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).

Computerized Design Of Horizontally Curved Composite Box Girders For Highway Bridges

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Author : Victor Casimer Zwinklis
language : en
Publisher:
Release Date : 1977

Computerized Design Of Horizontally Curved Composite Box Girders For Highway Bridges written by Victor Casimer Zwinklis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with categories.

Aashto Guide Specifications For Horizontally Curved Steel Girder Highway Bridges 2003

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Author : American Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures
language : en
Publisher: American Association of State Highway & Transportation Officials
Release Date : 2003

Aashto Guide Specifications For Horizontally Curved Steel Girder Highway Bridges 2003 written by American Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures and has been published by American Association of State Highway & Transportation Officials this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Technology & Engineering categories.

Design Example Horizontally Curved Steel Box Girder Bridge

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Author : Dann H. Hall
language : en
Publisher:
Release Date : 1999

Design Example Horizontally Curved Steel Box Girder Bridge written by Dann H. Hall and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Bridges categories.

Horizontally Curved Steel Box Girder Bridge

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Author :
language : en
Publisher:
Release Date : 1999

Horizontally Curved Steel Box Girder Bridge written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.

Aashto Guide Specifications For Horizontally Curved Steel Girder Highway Bridges With Design Examples For I Girder And Box Girder Bridges

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Author :
language : en
Publisher:
Release Date : 1993

Aashto Guide Specifications For Horizontally Curved Steel Girder Highway Bridges With Design Examples For I Girder And 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 1993 with categories.