Design Charts for Partially Prestressed Concrete Beam PDF Download
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Author: Shih Hung
Publisher:
ISBN:
Category :
Languages : en
Pages : 302
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Book Description
Author: Shih Hung
Publisher:
ISBN:
Category :
Languages : en
Pages : 302
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Book Description
Author: Jorge Márquez Balderrama
Publisher:
ISBN:
Category : Load factor design
Languages : en
Pages : 378
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Book Description
The 2011 PCI Bridge Design Manual provides preliminary design charts for selecting the girder size and number of prestressing strands for a given span length and beam spacing but only for [small leter f with hook]ʹ[subscript c] = 8,000 psi (55.2 MPa). This single strength limits the use of the charts, particularly for states considering ultra-high performance concrete (UHPC). Accordingly this dissertation presents a simplified procedure to develop preliminary design charts for prestressed concrete bulb-tee girders considering service load stress limits, flexural strength and stresses at release. The results for a BT-72 beam are first compared with the 2003 PCI design charts originally developed based on the AASHTO Standard Specifications. The procedure is then adapted to the AASHTO LRFD Bridge Design Specifications and verified with the prevailing 2011 PCI design charts. Finally, new LRFD charts are generated for NSC, HPC, and UHPC with 0.5, 0.6, and 0.7-in. (13, 15 and 18 mm) strands for simple and two-span continuous bridges to illustrate the simplified procedure and potential impact of UHPC, larger strand size, and continuity on bridge girders. The new LRFD charts are shown to be accurate for the design assumptions made since an excellent agreement (within 2% and 4%) resulted between the preliminary design charts developed in this study and those given in the 2003 and 2011-PCI Bridge Design Manuals. The "transition point" is identified which provides the information needed for a designer to distinguish the zones between fully prestressed (uncracked), partially prestressed, and non-prestressed (cracked) members. The preliminary design charts demonstrate the effect of using UHPC and/or larger strand size and/or two-span continuous layouts. The effect of implementing continuity with the combination of UHPC and a larger strand diameter was shown to be much more significant than just increasing the concrete compressive strength or the strand diameter or using two-span continuous layouts. However, the use of longer full-span girders poses significant challenges for fabrication, transportation, erection, span-to-depth ratios, and live and dead load deflections of prestressed concrete bridges and, consequently, should be considered carefully for the final design of the bridge.
Author: M.Z. Cohn
Publisher: Springer Science & Business Media
ISBN: 9400944381
Category : Technology & Engineering
Languages : en
Pages : 416
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Book Description
These volumes contain the edited documents presented at the NATO-Sponsored Advanced Research Workshop (ARW) on Partial Pre8tre88ing, from Theory to Practice, held at the CEBTP Research Centre of Saint-Remy-Ies-Chevreuse, France, June 18-22, 1984. The workshop was a direct extension of the International Symposium on Nonlinearity and Continuity in Pre8tre88ed Concrete, organized by the editor at the University of Waterloo, Waterloo, Canada, July 4-6, 1983. The organization of the NATO-ARW on Partial Prestressing was prompted by the need to explain and reduce the wide dirrerences of expert oph:iipn· on the subject, which make more difficult the accep tance of partial prestressing by the profession at large. Specifically, the workshop attempted to: - produce a more unified picture of partial presetressing, by con fronting and, where possible, reconciling some conflicting American and European views on this subject; - bring theoretical advances on partial prestressing within the grasp of engineering practice; - provide the required background for developing some guidelines on the use of partial prestressing, in agreement with existing structural concrete standards. The five themes selected for the workshop agenda were: (1) Problems of Partially Prestressed Concrete (PPC). (2) Partially Prestressed Concrete Members: Static Loading. (3) PPC Members: Repeated and Dynamic Loadings. (4) Continuity in Partially Prestressed Concrete. (5) Practice of Partial Prestressing.
Author: Raymond Ian Gilbert
Publisher: CRC Press
ISBN: 1466572779
Category : Technology & Engineering
Languages : en
Pages : 710
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Book Description
The design of structures in general, and prestressed concrete structures in particular, requires considerably more information than is contained in building codes. A sound understanding of structural behaviour at all stages of loading is essential. This textbook presents a detailed description and explanation of the behaviour of prestressed concret
Author: R. I. Gilbert
Publisher: CRC Press
ISBN: 9780044454038
Category : Architecture
Languages : en
Pages : 528
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Book Description
Providing both an introduction to basic concepts and an in-depth treatment of the most up-to-date methods for the design and analysis of concrete of structures, "Design of Prestressed Concrete" will service the needs of both students and professional engineers.
Author: A. W. Beeby
Publisher: Thomas Telford
ISBN: 9780727716682
Category : Technology & Engineering
Languages : en
Pages : 336
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Book Description
This handbook aims to assist designers to apply Eurocode 2 by explaining the background to, and the intention of, the provisions indicating the most convenient design approaches, comparing the provisions with those in BS 8110 presenting design aids, charts and examples.
Author: William Henry Mosley
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 370
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Book Description
Author: Robert Benaim
Publisher: CRC Press
ISBN: 1482267616
Category : Architecture
Languages : en
Pages : 608
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Book Description
Examining the fundamental differences between design and analysis, Robert Benaim explores the close relationship between aesthetic and technical creativity and the importance of the intuitive, more imaginative qualities of design that every designer should employ when designing a structure. Aiding designers of concrete bridges in developing an intu
Author: F.K. Kong
Publisher: CRC Press
ISBN: 1351990853
Category : Architecture
Languages : en
Pages : 532
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Book Description
This highly successful textbook has been comprehensively revised for two main reasons: to bring the book up-to-date and make it compatible with BS8110 1985; and to take into account the increasing use made of microcomputers in civil engineering. An important new chapter on microcomputer applications has been added.
Author: FIB – International Federation for Structural Concrete
Publisher: FIB - International Federation for Structural Concrete
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 172
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Book Description
