Case Study of Buckling in a Three-span Continuous Composite Plate Girder Bridge PDF Download

Author: Sivaram Srigiriraju
Publisher:
ISBN:
Category : Plate girder bridges
Languages : en
Pages : 202

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Book Description

Author: Steven Kelly Waddle
Publisher:
ISBN:
Category : Buckling (Mechanics)
Languages : en
Pages : 262

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Book Description

Author: Gregory W. Canniff
Publisher:
ISBN:
Category :
Languages : en
Pages : 98

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Book Description

Author: Björn Åkesson
Publisher: CRC Press
ISBN: 9780415431958
Category : Technology & Engineering
Languages : en
Pages : 0

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Book Description
Covers theory and background of local buckling, presenting simple design calculations which address this intriguing phenomenon. Attempts to master the process of buckling are described, citing both successes and failures. A number of failure case studies are presented as well. The final section of the book presents easy-to-follow design examples which conform to the latest Eurocode. Intended to introduce senior students in Bridge and Structural Engineering to the phenomenon of buckling, with special focus on thin-walled plated bridge girders. Suitable as a course instruction guide for its highly visual and descriptive style. Moreovere a good reference on buckling for practising and consulting engineers.

Author: B. Austin Barry
Publisher:
ISBN:
Category :
Languages : en
Pages : 101

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Book Description

Author: W. M. Kim Roddis
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 70

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Book Description
Steel plate girder bridges make use of traditional cross-frame diaphragms to stabilize the compression flange of girders. These braces are required during construction, especially during deck placement, to prevent lateral torsional buckling of bridge girders. Girder buckling capacity is a function of cross-frame diaphragm spacing as well as strength and stiffness. Recent developments in bridge design may cause the governing girder limit state to shift from one of strength to one of stability. These developments include the elimination of in-plan bracing, composite girders, High Performance Steels, and phased deck replacements. In addition, the American Association of State Highway and Transportation Officials (AASHTO) has changed its code requirement for cross-frame diaphragm spacing in the 1998 AASHTO LRFD Bridge Design Specifications. The requirement for 25-foot maximum brace spacing has been removed. The current requirement is for a "rational analysis" to determine cross-frame diaphragm spacing. Explanations of the problems these changes cause in design are discussed. A case study is presented of a bridge that suffered construction difficulties during deck placement. This investigation found that the cross-frame diaphragms were not stiff enough to brace the plate girders during the deck placement. Suggestions are given as to an efficient, economical design and spacing for cross-frame diaphragms on plate girder bridges.

Author: George A. Taber
Publisher:
ISBN:
Category :
Languages : en
Pages : 90

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Book Description

Author: Muayad Whyib Aldoori
Publisher: Library and Archives Canada = Bibliothèque et Archives Canada
ISBN: 9780612942684
Category :
Languages : en
Pages : 538

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Book Description
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.

Author: Wai-Fah Chen
Publisher: CRC Press
ISBN: 1439852340
Category : Technology & Engineering
Languages : en
Pages : 574

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Book Description
Over 140 experts, 14 countries, and 89 chapters are represented in the second edition of The Bridge Engineering Handbook. This extensive collection highlights bridge engineering specimens from around the world, contains detailed information on bridge engineering, and thoroughly explains the concepts and practical applications surrounding the subjec

Author: Sade H Shafer
Publisher: Springer Science & Business Media
ISBN:
Category : Education
Languages : en
Pages : 440

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Book Description
Cited in Sheehy, Chen, and Hurt . Volume 38 (thesis year 1993) reports a total of 13,787 thesis titles from 22 Canadian and 164 US universities. As in previous volumes, thesis titles are arranged by discipline and by university within each discipline. Any accredited university or college with a grad