Experimental Investigation And Finite Element Nonlinear Analysis Of Continuous Composite Curved Multi Cell Box Girder Bridges

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Experimental Investigation And Finite Element Nonlinear Analysis Of Continuous Composite Curved Multi Cell Box Girder Bridges

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Author : GuoQiang Xi
language : en
Publisher:
Release Date : 1999

Experimental Investigation And Finite Element Nonlinear Analysis Of Continuous Composite Curved Multi Cell Box Girder Bridges written by GuoQiang Xi 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.

Studies on ultimate limit states and nonlinear behaviors of bridges will greatly enhance the understanding of bridge engineers on the moment and shear distribution and the general performance of bridges under load. Described herein is an experimental and theoretical investigation of ultimate loads and nonlinear behaviors of two-span continuous composite curved multi-cell box-girder bridges with a single column as middle support and subjected to OHBDC design truck loadings. The curved bridges are modeled by using the finite element methods. The deck slab, webs, the bottom plate and diaphragms are modeled by 4-node shell elements while the shear connectors and the single middle column are modeled by 3-D beam elements. The existing software COSMOS/M is used for the analysis. A model test of a two-span continuous composite curved multi-cell box-girder bridge with a single column at the middle support is conducted to verify the finite element method. Idealized bridges with different parameters are also studied. Consideration is given to many of the variables that significantly influence ultimate loads and nonlinear behaviors of such bridges. Several rational suggestions are made to enhance the design of two-span continuous composite curved four-cell box-girder bridges.

Experimental Investigation And Finite Element Nonlinear Analysis Of Continuous Composite Curved Multi Cell Box Girder Bridges

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Author :
language : en
Publisher:
Release Date : 1999

Experimental Investigation And Finite Element Nonlinear Analysis Of Continuous Composite Curved Multi Cell 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 1999 with categories.

Dissertation Abstracts International

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Author :
language : en
Publisher:
Release Date : 2000

Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Dissertations, Academic categories.

Applied Mechanics Reviews

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Author :
language : en
Publisher:
Release Date : 1987

Applied Mechanics Reviews written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Mechanics, Applied categories.

Dynamic And Static Analyses Of Continuous Curved Composite Multiple Box Girder Bridges

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Author : Magdy Said Samaan
language : en
Publisher:
Release Date : 2004

Dynamic And Static Analyses Of Continuous Curved Composite Multiple Box Girder Bridges written by Magdy Said Samaan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

American Doctoral Dissertations

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Author :
language : en
Publisher:
Release Date : 1999

American Doctoral Dissertations 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 Dissertation abstracts categories.

Ei Engineering Conference Index

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Author :
language : en
Publisher:
Release Date : 1985

Ei Engineering Conference Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Engineering categories.

Engineering Journal

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Author :
language : en
Publisher:
Release Date : 1982

Engineering Journal written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Engineering categories.

Vol. 7, no.7, July 1924, contains papers prepared by Canadian engineers for the first World power conference, July, 1924.

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.

Transactions Of The American Society Of Civil Engineers

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Author : American Society of Civil Engineers
language : en
Publisher:
Release Date : 1992

Transactions Of The American Society Of Civil Engineers written by American Society of Civil Engineers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Civil engineering categories.

Vols. 29-30 contain papers of the International Engineering Congress, Chicago, 1893; v. 54, pts. A-F, papers of the International Engineering Congress, St. Louis, 1904.