The History of the Prestressing Strand Development Length Equation PDF Download
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Author: Habib Tabatabai
Publisher:
ISBN:
Category : Concrete bridges
Languages : en
Pages : 116
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Book Description
A research study was conducted to determine the history of the AASHTO prestressing strand development length equation and to evaluate the significance, with respect to development length, of changes in the AASHTO provisions for the determination of steel stress at ultimate flexural strength. The accuracy of the AASHTO provisions in determining steel stress at ultimate flexural strength was also evaluated for a number of typical cross sections used in bridge construction. The strand development length equation was first introduced in the 1963 ACI Building Code and was adopted by AASHTO in 1973. The original research that formed the basis for the equation was conducted at the Portland Cement Association (PCA) in the late 1950s and early 1960s.
Author: Habib Tabatabai
Publisher:
ISBN:
Category : Concrete bridges
Languages : en
Pages : 116
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Book Description
A research study was conducted to determine the history of the AASHTO prestressing strand development length equation and to evaluate the significance, with respect to development length, of changes in the AASHTO provisions for the determination of steel stress at ultimate flexural strength. The accuracy of the AASHTO provisions in determining steel stress at ultimate flexural strength was also evaluated for a number of typical cross sections used in bridge construction. The strand development length equation was first introduced in the 1963 ACI Building Code and was adopted by AASHTO in 1973. The original research that formed the basis for the equation was conducted at the Portland Cement Association (PCA) in the late 1950s and early 1960s.
Author: fib Fédération internationale du béton
Publisher: fib Fédération internationale du béton
ISBN: 9782883940505
Category : Technology & Engineering
Languages : en
Pages : 448
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Book Description
"In 1993, the CEB Commission 2 Material and Behavior Modelling established the Task Group 2.5 Bond Models. It's terms of reference were ... to write a state-of-art report concerning bond of reinforcement in concrete and later recommend how the knowledge could be applied in practice (Model Code like text proposal)... {This work} covers the first part ... the state-of-art report."--Pref.
Author: Julio A. Ramirez
Publisher: Transportation Research Board
ISBN: 030911747X
Category : Concrete
Languages : en
Pages : 131
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Book Description
"This report documents research performed to develop recommended revisions to the AASHTO LRFD Bridge Design Specifications to extend the applicability of the transfer, development, and splice length provisions for prestressed and non-prestressed concrete members to concrete strengths greater than 10 ksi. The report details the research performed and includes recommended revisions to the AASHTO LRFD Bridge Design Specifications. The material in this report will be of immediate interest to bridge designers."--Foreword.
Author: Michael G. Oliva
Publisher:
ISBN:
Category : Concrete bridges
Languages : en
Pages : 134
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Book Description
Author: C. Dale Buckner
Publisher:
ISBN:
Category : Concrete bridges
Languages : en
Pages : 112
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Book Description
The specific objectives of the present study were as follows: (1) Conduct a review of literature related to strand transfer and development length research; (2) Analyze data from recent studies and rationalize discrepancies among conclusions drawn from these studies; and (3) Recommend design criteria for strand transfer and development lengths consistent with the current state of knowledge. These objectives were fulfilled. Recommendations and equations for determining strand transfer and development lengths are presented.
Author: A. E. N. Osborn
Publisher: Transportation Research Board
ISBN: 0309117615
Category : Prestressed concrete
Languages : en
Pages : 141
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Book Description
This report provides practical tests to identify and measure residues (e.g., rust, lubricants used in manufacturing processes, or corrosion inhibitors) on the surface of steel prestressing strands and to establish thresholds for residue types found to affect the strength of the strand's bond to concrete. Key products presented here are four test methods suitable for use in a quality assurance program for the manufacture of steel prestressing strand.
Author: Scott Thomas Ribble
Publisher:
ISBN:
Category :
Languages : en
Pages : 202
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Book Description
Author:
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 332
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Book Description
Author:
Publisher:
ISBN:
Category : Precast concrete
Languages : en
Pages :
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Book Description
Author: Alper Ilki
Publisher: Springer Nature
ISBN: 3031325192
Category : Technology & Engineering
Languages : en
Pages : 1969
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Book Description
This book presents the proceedings of the fib Symposium “Building for the future: Durable, Sustainable, Resilient”, held in Istanbul, Turkey, on 5–7 June 2023. The book covers topics such as concrete and innovative materials, structural performance and design, construction methods and management, and outstanding structures. fib (The International Federation for Structural Concrete) is a not-for-profit association whose mission is to develop at an international level the study of scientific and practical matters capable of advancing the technical, economic, aesthetic, and environmental performance of concrete construction.
