Interpretation and Application of Core Test Data in Strength Evaluation of Existing Concrete Bridge Structures PDF Download
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 10
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Book Description
Compressive strength tests on concrete cores taken from existing bridge structuers are often used as a tool in evaluating the strength of the existing structure. Some difficulties are, however, encountered in interpreting the result of these tests and incorporating appropriate values in the usual equations for determining strength of structural members. In this paper, relationships between core tests, cylinder tests, and in situ strength ar reviewed based on data reported in the literature. Methods for incorporating core test data into a limit states design approach for strength evalulation are investigated. A method is proposed to convert data from compressive strength tests on cores into an equivalent design compressive strength that can be used in the normal design equations for strength. The method is applied to the analysis of an existing bridge for which core test data are available.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 10
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Book Description
Compressive strength tests on concrete cores taken from existing bridge structuers are often used as a tool in evaluating the strength of the existing structure. Some difficulties are, however, encountered in interpreting the result of these tests and incorporating appropriate values in the usual equations for determining strength of structural members. In this paper, relationships between core tests, cylinder tests, and in situ strength ar reviewed based on data reported in the literature. Methods for incorporating core test data into a limit states design approach for strength evalulation are investigated. A method is proposed to convert data from compressive strength tests on cores into an equivalent design compressive strength that can be used in the normal design equations for strength. The method is applied to the analysis of an existing bridge for which core test data are available.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 10
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Book Description
The use of concrete cores and nondestructive testing for strength evaluation of existing structures is illustrated through an evaluation of an existing concrete bridge. the results confirm that rebound hammer number should not be used alone as an indicator of in situ compressive strength. reasonably good correlation is demonstrated between pulse velocity and compressive strength, with a slight improvement when pulse velocity and rebound number are combined. a probabilistic approach to structural evaluation of existing structures is proposed in whih the variability of in situ concrete compression strength and uncertainty associated with indirect nondestructive testing are incorporated. an example of shear strength is given, which indicates a range of increase in shear strength compared with initial design parameters of 17-37% depending on the amount and type of data available.
Author: John H. Bungey
Publisher: CRC Press
ISBN: 1482264684
Category : Technology & Engineering
Languages : en
Pages : 353
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Book Description
This classic reference has been thoroughly updated and is ideal for the non-specialist civil engineer involved in the assessment, repair or maintenance of concrete structures. Topics have been expanded to reflect significant advances in the field, including integrity assessment, sub-surface radar, corrosion assessment and localized dynamic response tests. It also covers new trends in equipment and procedures, such as in automated test methods and developments in digital technology and emphasizes performance monitoring, and includes new and updated references to standards.
Author:
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 700
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Book Description
Author: Eva Lantsoght
Publisher: CRC Press
ISBN: 0429556489
Category : Technology & Engineering
Languages : en
Pages : 429
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Book Description
Load Testing of Bridges, featuring contributions from almost fifty authors from around the world across two interrelated volumes, deals with the practical aspects, the scientific developments, and the international views on the topic of load testing of bridges. Volume 13, Load Testing of Bridges: Proof Load Testing and the Future of Load Testing, focuses first on proof load testing of bridges. It discusses the specific aspects of proof load testing during the preparation, execution, and post-processing of such a test (Part 1). The second part covers the testing of buildings. The third part discusses novel ideas regarding measurement techniques used for load testing. Methods using non-contact sensors, such as photography- and video-based measurement techniques are discussed. The fourth part discusses load testing in the framework of reliability-based decision-making and in the framework of a bridge management program. The final part of the book summarizes the knowledge presented across the two volumes, as well as the remaining open questions for research, and provides practical recommendations for engineers carrying out load tests. This work will be of interest to researchers and academics in the field of civil/structural engineering, practicing engineers and road authorities worldwide.
Author: Eva Lantsoght
Publisher: CRC Press
ISBN: 0429555970
Category : Technology & Engineering
Languages : en
Pages : 347
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Book Description
Load Testing of Bridges, featuring contributions from almost fifty authors from around the world across two interrelated volumes, deals with the practical aspects, the scientific developments, and the international views on the topic of load testing of bridges. Volume 12, Load Testing of Bridges: Current practice and Diagnostic Load Testing, starts with a background to bridge load testing, including the historical perspectives and evolutions, and the current codes and guidelines that are governing in countries around the world. The second part of the book deals with preparation, execution, and post-processing of load tests on bridges. The third part focuses on diagnostic load testing of bridges. This work will be of interest to researchers and academics in the field of civil/structural engineering, practicing engineers and road authorities worldwide.
Author: Eva Lantsoght
Publisher: CRC Press
ISBN: 1351596926
Category : Technology & Engineering
Languages : en
Pages : 774
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Book Description
Load Testing of Bridges, featuring contributions from almost fifty authors from around the world across two interrelated volumes, deals with the practical aspects, the scientific developments, and the international views on the topic of load testing of bridges. Volume 12, Load Testing of Bridges: Current practice and Diagnostic Load Testing, starts with a background to bridge load testing, including the historical perspectives and evolutions, and the current codes and guidelines that are governing in countries around the world. The second part of the book deals with preparation, execution, and post-processing of load tests on bridges. The third part focuses on diagnostic load testing of bridges. Volume 13, Load Testing of Bridges: Proof Load Testing and the Future of Load Testing, focuses first on proof load testing of bridges. It discusses the specific aspects of proof load testing during the preparation, execution, and post-processing of such a test (Part 1). The second part covers the testing of buildings. The third part discusses novel ideas regarding measurement techniques used for load testing. Methods using non-contact sensors, such as photography- and video-based measurement techniques are discussed. The fourth part discusses load testing in the framework of reliability-based decision-making and in the framework of a bridge management program. The final part of the book summarizes the knowledge presented across the two volumes, as well as the remaining open questions for research, and provides practical recommendations for engineers carrying out load tests. This work will be of interest to researchers and academics in the field of civil/structural engineering, practicing engineers and road authorities worldwide.
Author: Roy A. Imbsen
Publisher: Transportation Research Board National Research
ISBN:
Category : Bridges, Concrete
Languages : en
Pages : 148
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Book Description
Author: Adam M. Neville
Publisher: Aci International
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 544
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Book Description
Author: Dan M. Frangopol
Publisher: American Society of Civil Engineers
ISBN:
Category : Mathematics
Languages : en
Pages : 1036
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Book Description
Contains three keynote papers and some 230 contributed four-page papers from the August 1996 conference, examining all aspects of probabalistic mechanics and structural reliability regarding assessment and design of structural, mechanical, marine, aerospace, geotechnical, and environmental systems. Emphasis is on concepts and methods of probability in the design of engineering systems, with particular focus on progress in stochastic mechanics in earthquake engineering, structural dynamics, and finite element methods. Annotation copyright by Book News, Inc., Portland, OR
