Prestress Losses in Pretensioned High-strength Concrete Bridge Girders

Prestress Losses in Pretensioned High-strength Concrete Bridge Girders PDF Author: Maher K. Tadros
Publisher: Transportation Research Board
ISBN: 030908766X
Category : Technology & Engineering
Languages : en
Pages : 73

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Book Description
"The HCM includes three printed volumes (Volumes 1-3) that can be purchased from the Transportation Research Board in print and electronic formats. Volume 4 is a free online resource that supports the rest of the manual. It includes: Supplemental chapters 25-38, providing additional details of the methodologies described in the Volume 1-3 chapters, example problems, and other resources; A technical reference library providing access to a significant portion of the research supporting HCM methods; Two applications guides demonstrating how the HCM can be applied to planning-level analysis and a variety of traffic operations applications; Interpretations, updates, and errata for the HCM (as they are developed);A discussion forum allowing HCM users to ask questions and collaborate on HCM-related matters; and Notifications of chapter updates, active discussions, and more via an optional e-mail notification feature."--Publisher.

PCI Journal

PCI Journal PDF Author:
Publisher:
ISBN:
Category : Precast concrete
Languages : en
Pages :

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Book Description


Prestress Losses in Pretensioned High-strength Concrete Bridge Girders

Prestress Losses in Pretensioned High-strength Concrete Bridge Girders PDF Author: Maher K. Tadros
Publisher: Transportation Research Board
ISBN: 030908766X
Category : Technology & Engineering
Languages : en
Pages : 73

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Book Description
"The HCM includes three printed volumes (Volumes 1-3) that can be purchased from the Transportation Research Board in print and electronic formats. Volume 4 is a free online resource that supports the rest of the manual. It includes: Supplemental chapters 25-38, providing additional details of the methodologies described in the Volume 1-3 chapters, example problems, and other resources; A technical reference library providing access to a significant portion of the research supporting HCM methods; Two applications guides demonstrating how the HCM can be applied to planning-level analysis and a variety of traffic operations applications; Interpretations, updates, and errata for the HCM (as they are developed);A discussion forum allowing HCM users to ask questions and collaborate on HCM-related matters; and Notifications of chapter updates, active discussions, and more via an optional e-mail notification feature."--Publisher.

Analysis and Design of Prestressed Concrete

Analysis and Design of Prestressed Concrete PDF Author: Di Hu
Publisher: Elsevier
ISBN: 0323859984
Category : Technology & Engineering
Languages : en
Pages : 462

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Book Description
Prestressing concrete technology is critical to understanding problems in existing civic structures including railway and highway bridges; to the rehabilitation of older structures; and to the design of new high-speed railway and long-span highway bridges. Analysis and Design of Prestressed Concrete delivers foundational concepts, and the latest research and design methods for the engineering of prestressed concrete, paying particular attention to crack resistance in the design of high-speed railway and long-span highway prestressed concrete bridges. The volume offers readers a comprehensive resource on prestressing technology and applications, as well as the advanced treatment of prestress losses and performance. Key aspects of this volume include analysis and design of prestressed concrete structures using a prestressing knowledge system, from initial stages to service; detailed loss calculation; time-dependent analysis on cross-sectional stresses; straightforward, simplified methods specified in codes; and in-depth calculation methods. Sixteen chapters combine standards and current research, theoretical analysis, and design methods into a practical resource on the analysis and design of prestressed concrete, as well as presenting novel calculation methods and theoretical models of practical use to engineers. - Presents a new approach to calculating prestress losses due to anchorage seating - Provides a unified method for calculating long-term prestress loss - Details cross-sectional stress analysis of prestressed concrete beams from jacking to service - Explains a new calculation method for long-term deflection of beams caused by creep and shrinkage - Gives a new theoretical model for calculating long-term crack width

Prestressed Concrete Bridges

Prestressed Concrete Bridges PDF Author: Nigel R. Hewson
Publisher: Thomas Telford
ISBN: 9780727732231
Category : Technology & Engineering
Languages : en
Pages : 412

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Book Description
Prestressed concrete decks are commonly used for bridges with spans between 25m and 450m and provide economic, durable and aesthetic solutions in most situations where bridges are needed. Concrete remains the most common material for bridge construction around the world, and prestressed concrete is frequently the material of choice. Extensively illustrated throughout, this invaluable book brings together all aspects of designing prestressed concrete bridge decks into one comprehensive volume. The book clearly explains the principles behind both the design and construction of prestressed concrete bridges, illustrating the interaction between the two. It covers all the different types of deck arrangement and the construction techniques used, ranging from in-situ slabs and precast beams; segmental construction and launched bridges; and cable-stayed structures. Included throughout the book are many examples of the different types of prestressed concrete decks used, with the design aspects of each discussed along with the general analysis and design process. Detailed descriptions of the prestressing components and systems used are also included. Prestressed Concrete Bridges is an essential reference book for both the experienced engineer and graduate who want to learn more about the subject.

AASHTO LRFD Bridge Design Specifications: Customary U.S. units

AASHTO LRFD Bridge Design Specifications: Customary U.S. units PDF Author:
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages :

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Book Description


Journal - Prestressed Concrete Institute

Journal - Prestressed Concrete Institute PDF Author: Prestressed Concrete Institute
Publisher:
ISBN:
Category : Prestressed concrete
Languages : en
Pages : 216

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Book Description


Transactions of the American Society of Civil Engineers

Transactions of the American Society of Civil Engineers PDF Author: American Society of Civil Engineers
Publisher:
ISBN:
Category : Civil engineering
Languages : en
Pages : 1176

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Book Description
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.

Salt Penetration and Corrosion in Prestressed Concrete Members

Salt Penetration and Corrosion in Prestressed Concrete Members PDF Author: Vladimir Novokshchenov
Publisher:
ISBN:
Category : Concrete bridges
Languages : en
Pages : 222

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Book Description
A study was made of the condition of prestressed concrete PS/C bridge elements located in adverse, potentially corrosive environments. A total of five bridges were subjected to detailed surveys. Additional structures were surveyed visually and given limited investigation. Bridges were located both in northern climates subjected to application of roadway deicing salts and in southern areas subjected to marine spray. Results indicated that, in northern areas, primary cause of deterioration of PS/C members is due to penetration of solutions containing deicing salts through concrete cover and through anchorage zones. Improperly designed and maintained joints and drainage systems are the primary pathways for the salt ingress. In southern areas primary cause of deterioration is marine salts sprayed directly onto substructural elements by wave action. Recommendations concerning procedures, parameters and threshold values for detection of corrosive environments and assessing the condition of prestressing steel in bridge components are included.

Journal of the American Concrete Institute

Journal of the American Concrete Institute PDF Author: American Concrete Institute
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 620

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Book Description


HRIS Abstracts

HRIS Abstracts PDF Author: National Research Council (U.S.). Highway Research Information Service
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 1118

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Book Description