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Designing For Deck Stress Over Precast Panels In Negative Moment Regions
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Book Synopsis Designing for Deck Stress Over Precast Panels in Negative Moment Regions by : Keaton Munsterman
Download or read book Designing for Deck Stress Over Precast Panels in Negative Moment Regions written by Keaton Munsterman and published by . This book was released on 2017 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the leading causes of structural deficiencies in the United States Bridge Inventory is related to deterioration and durability problems with concrete bridge decks (NCHRP 2004). The primary issue with bridge decks is related to cracking of the concrete that provides a direct conduit for moisture and other corrosion agents to permeate and attack the reinforcing steel. Adequate reinforcing steel is needed in the deck to minimize crack widths and therefore limit corrosion of reinforcing steel. A particular case of interest occurs when the bridge deck is constructed using partial-depth precast concrete deck panels (PCP) with cast-in-place (CIP) concrete topping. When this type of deck construction is used over the negative moment region of continuous steel or concrete girders, the amount of reinforcing steel that should be placed within the CIP concrete topping to provide adequate crack control is not currently well understood. This thesis is part of a larger study being conducted for the Texas Department of Transportation that is examining this issue. In the study reported in this thesis, two newly constructed bridges were instrumented to monitor the behavior of the bridge deck. These bridges did not use continuous girders, but rather had simply supported prestressed concrete girders, with a bridge deck constructed using a “poor-boy” construction joint detail over interior bents. Each bridge utilized three different reinforcement layouts centered over an interior bent within the poor-boy joint detail. Strain gages in each portion provided constant readings to display the distribution of strain across the bridge deck. Each bridge was monitored over a period from when the deck was cast until when the bridge was opened to traffic. Live load tests were also conducted to provide data on strains induced by heavy trucks. Based on the field data, no clear correlation was found between the amount of steel added and the strain measured. However, based on the measured data combined with field observations of cracking, the current standard reinforcement appears to be adequate in controlling the crack widths for the poor-boy deck detail. While the poor-boy deck joint detail is different from deck details used over negative moment regions of continuous girders, this data provides useful insights in to bridge deck behavior that will help guide future phases of the larger study.
Book Synopsis Improved Design Specifications for Horizontally Curved Steel Girder Highway Bridges by : Dann H. Hall
Download or read book Improved Design Specifications for Horizontally Curved Steel Girder Highway Bridges written by Dann H. Hall and published by Transportation Research Board. This book was released on 1999 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Recommendations for the Use of Precast Deck Panels at Expansion Joints by :
Download or read book Recommendations for the Use of Precast Deck Panels at Expansion Joints written by and published by . This book was released on 2008 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modern Techniques in Bridge Engineering by : Khaled Mahmoud
Download or read book Modern Techniques in Bridge Engineering written by Khaled Mahmoud and published by CRC Press. This book was released on 2011-08-26 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to significant economic growth in the last few decades, increasing traffic loads impose tremendous demand on bridge structures. This, coupled with ongoing deterioration of bridges, introduces a unique challenge to bridge engineers in maintaining service of these infrastructure assets without disruption to vital economic and social activities. This requires innovative solutions and optimized methodologies to achieve safe and efficient operation of bridge structures. Bridge engineering practitioners, researchers, owners, and contractors from all over the world presented on modern techniques in design, inspection, monitoring and rehabilitation of bridge structures, at the Sixth New York City Bridge Conference held New York City on July 25-26, 2011. This book contains a select number of papers presented at the conference. This group of papers provides a state-of-the-art in bridge engineering and is of interest to any reader in the field.
Download or read book LRFD Bridge Design written by Tim Huff and published by CRC Press. This book was released on 2022-02-23 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book examines and explains material from the 9th edition of the AASHTO LRFD Bridge Design Specifications, including deck and parapet design, load calculations, limit states and load combinations, concrete and steel I-girder design, bearing design, and more. With increased focus on earthquake resiliency, two separate chapters– one on conventional seismic design and the other on seismic isolation applied to bridges– will fully address this vital topic. The primary focus is on steel and concrete I-girder bridges, with regard to both superstructure and substructure design. Features: Includes several worked examples for a project bridge as well as actual bridges designed by the author Examines seismic design concepts and design details for bridges Presents the latest material based on the 9th edition of the LRFD Bridge Design Specifications Covers fatigue, strength, service, and extreme event limit states Includes numerous solved problems and exercises at the end of each chapter to illustrate the concepts presented LRFD Bridge Design: Fundamentals and Applications will serve as a useful text for graduate and upper-level undergraduate civil engineering students as well as practicing structural engineers.
Book Synopsis Composite Action of Precast Panel Bridge Decks in Negative Moment Regions by :
Download or read book Composite Action of Precast Panel Bridge Decks in Negative Moment Regions written by and published by . This book was released on 1987 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Theory and Design of Bridges by : Petros P. Xanthakos
Download or read book Theory and Design of Bridges written by Petros P. Xanthakos and published by John Wiley & Sons. This book was released on 1994 with total page 1466 pages. Available in PDF, EPUB and Kindle. Book excerpt: Indeed, this essential working reference for practicing civil engineers uniquely reflects today's gradual transition from allowable stress design to Load and Resistance Factor Design by presenting LRFD specifications - developed from research requested by AASH-TO and initiated by the NCHRP - which spell out new provisions in areas ranging from load models and load factors to bridge substructure elements and foundations.
Book Synopsis Design of Precast, Prestressed Bridge Girders Made Continuous by : R. G. Oesterle
Download or read book Design of Precast, Prestressed Bridge Girders Made Continuous written by R. G. Oesterle and published by Transportation Research Board National Research. This book was released on 1989 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents and presents results of a study to determine time-dependent behavior and relevant design criteria for simple-span precast, prestressed bridge girders made continuous. A questionnaire was used to determine current practice. Creep and shrinkage tests of steam-cured concrete loaded at an early age were made. Computer simulations were used to investigate the effects of time-dependent material behavior and variation in design parameters on the effective continuity for live load plus impact. The findings suggest that positive moment connections in the diaphragms at the piers are not required and provide no structural advantages. The findings also suggest that effective continuity for live load plus impact can vary from 0 to 100% dependent on the design parameters and timing of construction. Computer analyses were also used to determine an upper limit for the amount of negative moment reinforcement over the supports to insure full moment redistribution and attainment of maximum bridge strength. New computer programs were developed for simplified analysis to determine time-dependent effects and service moments. Recommendations for design procedures were presented and design examples given.
Book Synopsis Durability of Bridge Structures by : Khaled Mahmoud
Download or read book Durability of Bridge Structures written by Khaled Mahmoud and published by CRC Press. This book was released on 2013-09-12 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: On Thursday evening, May 23, 2013, the Interstate 5 Bridge over the Skagit River in Washington state collapsed due to impact by an oversize truck, dumping vehicles and people into the water. Fortunately, the bridge is located in a rural area and nobody was killed in the accident, but three people were rescued after their cars plunged into the frigi
Book Synopsis Constructional Steel Design by : P.J. Dowling
Download or read book Constructional Steel Design written by P.J. Dowling and published by CRC Press. This book was released on 1992-11-13 with total page 991 pages. Available in PDF, EPUB and Kindle. Book excerpt: Constructional Steel Design presents state-of-the-art knowledge on the design of steel structures. Independent of national design codes, subjects include materials aspects of steel as well as metallurgy, fatigue, corrosion, inspection, fire protection, element behaviour and strength.
Book Synopsis Analysis and Design of Bridges by : C. Yilmaz
Download or read book Analysis and Design of Bridges written by C. Yilmaz and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 447 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Proceedings of the NATO Advanced Study Institute on Analysis and Design of Bridges held at ~e§me, lzmir, Turkey from 28 June 1982 to 9 July 1982 are contained in the present volume. The Advanced Study Institute was attended by 37 lecturers and participants from 10 different countries. The Organizing Committee consisted of Professors P. Gtilkan, A. C. Scordelis, S. T. Wasti and 9. Yl. lmaz. The guidelines set by NATO for the Advanced Study Institute require it to serve not only as an efficient forum for the dissemination of available advanced knowledge to a selected group of qualified people but also as a platform for the exploration of future research possibilities in the scientific or engineering areas concerned. The main topics covered by the present Advanced Study Institute were the mathematical modelling of bridges for better analysis and the scientific assessment of bridge behaviour for the introduction of improved design procedures. It has been our observation that as a result of the range and depth of the lectures presented and the many informal discussions that took place, ideas became fissile, the stimulus never flagged and many gaps in the engineering knowledge of the participants were "bridged". Here we particularly wish to mention that valuable informal presenta tions of research work were made during the course of the Institute by Drs. Friedrich, Karaesmen, Lamas and Parker.
Download or read book PCI Journal written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :HNTB Corporation, Genesis Structures Inc, Structural Engineering Associates, and Iowa State University Publisher :Transportation Research Board ISBN 13 :0309274109 Total Pages :976 pages Book Rating :4.3/5 (92 download)
Book Synopsis Innovative Bridge Designs for Rapid Renewal by : HNTB Corporation, Genesis Structures Inc, Structural Engineering Associates, and Iowa State University
Download or read book Innovative Bridge Designs for Rapid Renewal written by HNTB Corporation, Genesis Structures Inc, Structural Engineering Associates, and Iowa State University and published by Transportation Research Board. This book was released on with total page 976 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report from the second Strategic Highway Research Program (SHRP 2), which is administered by the Transportation Research Board of the National Academies, documents the development of standardized approaches to designing and constructing complete bridge systems for rapid renewals.
Book Synopsis Asset Management of Bridges by : Khaled M Mahmoud
Download or read book Asset Management of Bridges written by Khaled M Mahmoud and published by CRC Press. This book was released on 2017-08-10 with total page 355 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maintaining bridges in good condition has extended service life and proven to be more cost effective than allowing degradation to advance, necessitating costlier bridge rehabilitation or replacement projects. Preventive maintenance is therefore an important tool to retard deterioration and sustain the safe operation of bridges. This includes a continuous effort of periodic inspections, condition evaluations and prioritizing repairs accordingly. The above measures define the framework for asset management of bridges. On August 21-22, 2017, bridge engineering experts from around the world convened at the 9th New York City Bridge Conference to discuss issues of construction, design, inspection, monitoring, preservation and rehabilitation of bridge structures. This volume documents their contributions to the safe operation of bridge assets.
Book Synopsis Inelastic Rating Procedures for Steel Beam and Girder Bridges by : Theodore V. Galambos
Download or read book Inelastic Rating Procedures for Steel Beam and Girder Bridges written by Theodore V. Galambos and published by Transportation Research Board. This book was released on 1993 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Bridge Deck Utilizing Ontario Bridge Deck Design Method: Review of experimental and analytical research in lightly reinforced bridge decks by : J. A. Puckett
Download or read book Evaluation of Bridge Deck Utilizing Ontario Bridge Deck Design Method: Review of experimental and analytical research in lightly reinforced bridge decks written by J. A. Puckett and published by . This book was released on 1988 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bridge Maintenance, Safety, Management, Resilience and Sustainability by : Fabio Biondini
Download or read book Bridge Maintenance, Safety, Management, Resilience and Sustainability written by Fabio Biondini and published by CRC Press. This book was released on 2012-06-21 with total page 4119 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bridge Maintenance, Safety, Management, Resilience and Sustainability contains the lectures and papers presented at The Sixth International Conference on Bridge Maintenance, Safety and Management (IABMAS 2012), held in Stresa, Lake Maggiore, Italy, 8-12 July, 2012. This volume consists of a book of extended abstracts (800 pp) Extensive collection of revised expert papers on recent advances in bridge maintenance, safety, management and life-cycle performance, representing a major contribution to the knowledge base of all areas of the field.
