Effects of Increasing the Allowable Compressive Stress at Release of Prestressed Concrete Girders PDF Download
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Author: David Barra Birrcher
Publisher:
ISBN:
Category : Prestressed concrete
Languages : en
Pages : 230
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Book Description
Author: David Barra Birrcher
Publisher:
ISBN:
Category : Prestressed concrete
Languages : en
Pages : 230
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Book Description
Author: Brian Schnittker
Publisher:
ISBN:
Category : Prestressed concrete
Languages : en
Pages : 210
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Book Description
Author: W. Micah Hale
Publisher:
ISBN:
Category : Concrete
Languages : en
Pages : 282
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Book Description
The use of high performance concrete (HPC) in exterior structures has increased in recent years. Its increased strength and durability make HPC very appealing to the prestressed concrete industry, particularly in bridge girders. Due to its increased strength and durability, HPC can reduce the number of girders, increase bridge spans, decrease bridge depth, and improve bridge durability. Generally, concrete bridges have enjoyed a relatively maintenance free existence. There is some concern that concrete bridge girders should be air entrained; however, the inclusion of air entrainment will reduce concrete strengths. The research program investigated the need for air entrainment in HPC and its effect on HPC bridge girders, and the effects of air entrainment on other important properties.
Author:
Publisher:
ISBN:
Category : Precast concrete
Languages : en
Pages : 666
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Book Description
Author: ACI Committee 318
Publisher: American Concrete Institute
ISBN: 0870312642
Category : Building laws
Languages : en
Pages : 471
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Book Description
The quality and testing of materials used in construction are covered by reference to the appropriate ASTM standard specifications. Welding of reinforcement is covered by reference to the appropriate AWS standard. Uses of the Code include adoption by reference in general building codes, and earlier editions have been widely used in this manner. The Code is written in a format that allows such reference without change to its language. Therefore, background details or suggestions for carrying out the requirements or intent of the Code portion cannot be included. The Commentary is provided for this purpose. Some of the considerations of the committee in developing the Code portion are discussed within the Commentary, with emphasis given to the explanation of new or revised provisions. Much of the research data referenced in preparing the Code is cited for the user desiring to study individual questions in greater detail. Other documents that provide suggestions for carrying out the requirements of the Code are also cited.
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: Richard A. Miller (Professional engineer)
Publisher: Transportation Research Board
ISBN: 0309087937
Category : Concrete beams
Languages : en
Pages : 202
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Book Description
Introduction and Research Approach -- Findings -- Interpretation, Appraisal, and Application -- Interpretation, Appraisal, and Application -- References -- Appendixes.
Author:
Publisher:
ISBN:
Category : Air travel
Languages : en
Pages : 708
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Book Description
Author: Maher K. Tadros
Publisher: Transportation Research Board
ISBN: 0309118352
Category : Technology & Engineering
Languages : en
Pages : 76
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Book Description
This report establishes a user's manual for the acceptance, repair, or rejection of precast/prestressed concrete girders with longitudinal web cracking. The report also proposes revisions to the AASHTO LRFD Bridge Design Specifications and provides recommendations to develop improved crack control reinforcement details for use in new girders. The material in this report will be of immediate interest to bridge engineers.
Author:
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 276
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Book Description
Papers presented at the Fifth International Bridge Engineering Conference, April 3-5, 2000, Tampa, Florida.
