Field Tests Of Distortion Induced Fatigue Cracking In Diaphragm Girder Connections For Multi Girder Bridges

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Distortion-induced Fatigue in Multi-girder Steel Bridges

Author : Dmitri Jajich
Publisher :
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis Distortion-induced Fatigue in Multi-girder Steel Bridges by : Dmitri Jajich

Download or read book Distortion-induced Fatigue in Multi-girder Steel Bridges written by Dmitri Jajich and published by . This book was released on 2000 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes the findings of a project with the following goals: to implement a field instrumentation and monitoring program for a typical multi-girder steel bridge on skew supports that may be susceptible to web-gap distortion; to assess the frequency and magnitude of the distortional fatigue stresses at the web-stiffener connections; and to evaluate the impact of these stresses on fatigue life. Measurements from 12 independent strain gauges were continuously monitored and recorded for more than three months on Minnesota Department of Transportation (Mn/DOT) bridge #27734. Truck loading tests also were conducted. Predicted web-gap fatigue life based on the long-term monitoring data from Mn/DOT bridge #27734 ranges from 45 to 75 years. Comparison of web-gap stresses with primary design stresses reveals that web-gap distortional stresses are comparatively high. The report also highlights a detailed finite element study to better understand the web-gap stress mechanism and to compare experimental results with theoretical predictions. Study results have important implications for investigators of distortion-induced web-gap fatigue. They indicate that the actual stress at the so-called hotspot may be as much as twice the stress measured at the strain gauge. The report includes a method for estimating girder deflections and web-gap stress.

Analysis Tools and Rapid Screening Data for Assessing Distortional Fatigue in Steel Bridge Girders

Author : Evan Berglund
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis Analysis Tools and Rapid Screening Data for Assessing Distortional Fatigue in Steel Bridge Girders by : Evan Berglund

Download or read book Analysis Tools and Rapid Screening Data for Assessing Distortional Fatigue in Steel Bridge Girders written by Evan Berglund and published by . This book was released on 2001 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Use of Adhesives to Retrofit Out-of-plane Distortion Induced Fatigue Cracks

Author : Yuying Hu
Publisher :
ISBN 13 :
Total Pages : 664 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Use of Adhesives to Retrofit Out-of-plane Distortion Induced Fatigue Cracks by : Yuying Hu

Download or read book Use of Adhesives to Retrofit Out-of-plane Distortion Induced Fatigue Cracks written by Yuying Hu and published by . This book was released on 2005 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prior to 1985, it was common practice to avoid welding the connection plates to the tension flange of the girders of steel bridges. However, extensive fatigue cracking has developed in the unstiffened web gaps because of out-ofplane distortion. A new retrofit option was investigated that uses a room-temperature-cured two-part epoxy (3M Adhesive DP460-NS) to join a small length of 3/4-inch thick steel angle to the tension flange and the connection plate. A field test on two skewed bridges showed that the adhesive-angle retrofit system decreased the out-of-plane strain range by 40 to 50% when the original strain range was more than 50 microstrains. The ten adhesive-angle retrofits remained in place and were in good condition after three and a half years, suggesting that the chosen adhesive had good environmental durability. A laboratory large-scale specimen test with 8 web gaps showed that the retrofit system stopped or retarded most cracks even without stop holes when the measured out-of-plane strains were approximately 600 microstrains. Coupon tests conducted to investigate the environmental durability of the chosen adhesive showed that the chosen adhesive is suitable for applications at room or low temperature, even with high relative humidity.

Geodex Structural Information Service

Author : Geodex International
Publisher :
ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Geodex Structural Information Service by : Geodex International

Download or read book Geodex Structural Information Service written by Geodex International and published by . This book was released on 1988 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges

Author : Nigel Powers
Publisher : CRC Press
ISBN 13 : 1351745964
Total Pages : 5447 pages
Book Rating : 4.3/5 (517 download)

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Book Synopsis Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges by : Nigel Powers

Download or read book Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges written by Nigel Powers and published by CRC Press. This book was released on 2018-07-04 with total page 5447 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges contains lectures and papers presented at the Ninth International Conference on Bridge Maintenance, Safety and Management (IABMAS 2018), held in Melbourne, Australia, 9-13 July 2018. This volume consists of a book of extended abstracts and a USB card containing the full papers of 393 contributions presented at IABMAS 2018, including the T.Y. Lin Lecture, 10 Keynote Lectures, and 382 technical papers from 40 countries. The contributions presented at IABMAS 2018 deal with the state of the art as well as emerging concepts and innovative applications related to the main aspects of bridge maintenance, safety, risk, management and life-cycle performance. Major topics include: new design methods, bridge codes, heavy vehicle and load models, bridge management systems, prediction of future traffic models, service life prediction, residual service life, sustainability and life-cycle assessments, maintenance strategies, bridge diagnostics, health monitoring, non-destructive testing, field testing, safety and serviceability, assessment and evaluation, damage identification, deterioration modelling, repair and retrofitting strategies, bridge reliability, fatigue and corrosion, extreme loads, advanced experimental simulations, and advanced computer simulations, among others. This volume provides both an up-to-date overview of the field of bridge engineering and significant contributions to the process of more rational decision-making on bridge maintenance, safety, risk, management and life-cycle performance of bridges for the purpose of enhancing the welfare of society. The Editors hope that these Proceedings will serve as a valuable reference to all concerned with bridge structure and infrastructure systems, including students, researchers and engineers from all areas of bridge engineering.

Transportation Research Record

Author :
Publisher :
ISBN 13 :
Total Pages : 670 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Transportation Research Record by :

Download or read book Transportation Research Record written by and published by . This book was released on 1997 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Steel Box Girder Bridges

Author :
Publisher : Thomas Telford Publishing
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Steel Box Girder Bridges by :

Download or read book Steel Box Girder Bridges written by and published by Thomas Telford Publishing. This book was released on 1973 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modern Steel Construction

Author :
Publisher :
ISBN 13 :
Total Pages : 676 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Modern Steel Construction by :

Download or read book Modern Steel Construction written by and published by . This book was released on 1994 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Highway Research Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 580 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Highway Research Abstracts by :

Download or read book Highway Research Abstracts written by and published by . This book was released on 1992 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:

1997 TRB Distinguished Lecture

Author : John W. Fisher
Publisher :
ISBN 13 :
Total Pages : 250 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis 1997 TRB Distinguished Lecture by : John W. Fisher

Download or read book 1997 TRB Distinguished Lecture written by John W. Fisher and published by . This book was released on 1997 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fatigue and Fracture in Steel Bridges

Author : John W. Fisher
Publisher : Wiley-Interscience
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Fatigue and Fracture in Steel Bridges by : John W. Fisher

Download or read book Fatigue and Fracture in Steel Bridges written by John W. Fisher and published by Wiley-Interscience. This book was released on 1984 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a detailed review and summary of twenty-two case studies of fracture and fatigue in bridge structures. Its two parts cover cracks formed as a result of low fatigue resistant details, and cracks resulting from unanticipated secondary or displacement induced stresses.

Fatigue in Railway Infrastructure

Author : Mark Robinson
Publisher : Elsevier
ISBN 13 : 1845697022
Total Pages : 125 pages
Book Rating : 4.8/5 (456 download)

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Book Synopsis Fatigue in Railway Infrastructure by : Mark Robinson

Download or read book Fatigue in Railway Infrastructure written by Mark Robinson and published by Elsevier. This book was released on 2009-08-20 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fatigue is a major issue affecting safety and quality of service in the railway industry. This book reviews key aspects of this important subject. It begins by providing an overview of the subject, discussing fatigue at the wheel-rail interface and in other aspects of infrastructure. It then considers fatigue in railway and tramway track, looking at causes of potential failure in such areas as rails and fixings as well as sleepers. It also reviews failure points in structures such as embankments and cuttings. The book analyses fatigue in railway bridges, looking in particular at masonry arch bridges as well as metal and concrete bridges. Two final chapters review safety and reliability issues affecting escalators and lifts.Fatigue in railway infrastructure is a helpful reference for those in the railway industry responsible for infrastructure maintenance as well as those researching this important subject. - Provides a concise review of fatigue in the railway infrastructure - Examines the causes of potential failure in rails, fixings and sleepers - Analyses fatigue in railway bridges including masonry arch, metal and concrete structures

LRFD Guide Specifications for the Design of Pedestrian Bridges

Author : American Association of State Highway and Transportation Officials
Publisher : AASHTO
ISBN 13 : 1560514698
Total Pages : 38 pages
Book Rating : 4.5/5 (65 download)

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Book Synopsis LRFD Guide Specifications for the Design of Pedestrian Bridges by : American Association of State Highway and Transportation Officials

Download or read book LRFD Guide Specifications for the Design of Pedestrian Bridges written by American Association of State Highway and Transportation Officials and published by AASHTO. This book was released on 2009 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fatigue and Fracture

Author : F. C. Campbell
Publisher : ASM International
ISBN 13 : 1615039767
Total Pages : 699 pages
Book Rating : 4.6/5 (15 download)

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Book Synopsis Fatigue and Fracture by : F. C. Campbell

Download or read book Fatigue and Fracture written by F. C. Campbell and published by ASM International. This book was released on 2012-01-01 with total page 699 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This book emphasizes the physical and practical aspects of fatigue and fracture. It covers mechanical properties of materials, differences between ductile and brittle fractures, fracture mechanics, the basics of fatigue, structural joints, high temperature failures, wear, environmentally-induced failures, and steps in the failure analysis process."--publishers website.

Steel Bridge Group

Author : Steel Construction Institute
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (117 download)

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Book Synopsis Steel Bridge Group by : Steel Construction Institute

Download or read book Steel Bridge Group written by Steel Construction Institute and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Design of Steel-Concrete Composite Bridges to Eurocodes

Author : Ioannis Vayas
Publisher : CRC Press
ISBN 13 : 1466557451
Total Pages : 578 pages
Book Rating : 4.4/5 (665 download)

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Book Synopsis Design of Steel-Concrete Composite Bridges to Eurocodes by : Ioannis Vayas

Download or read book Design of Steel-Concrete Composite Bridges to Eurocodes written by Ioannis Vayas and published by CRC Press. This book was released on 2013-08-29 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: Design of Steel-Concrete Composite Bridges to Eurocodes centers on the new design rules incorporated in the EN-versions of the Eurocodes. This book targets students, especially at MSc level, and practicing engineers who need to become familiar with the new design rules incorporated in the EN-versions of the Eurocodes. Its focuses primarily on road bridges, although some information is provided for railway bridges, and presents the material in a concise manner.

Fatigue Design (ESIS 16)

Author : J. Solin
Publisher : Wiley-Blackwell
ISBN 13 :
Total Pages : 376 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Fatigue Design (ESIS 16) by : J. Solin

Download or read book Fatigue Design (ESIS 16) written by J. Solin and published by Wiley-Blackwell. This book was released on 1993-03-02 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: A compilation of research in fatigue design, prediction, and assessment Fatigue Design is a collection of research presented at the 1993 International Symposium on Fatigue Design. Detailing the latest findings and most current research, this book features papers on a variety of pertinent topics, including the quantification of service load for fatigue life predictions, identification of stress states and failure modes, assessment of residual life in damaged components, and more. Special attention is paid to the need for simple and reliable prediction tools to help better ensure adequate strength at the design stage.