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Author : Mahgoub Osman Mahgoub
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (31 download)
Download or read book Shear Strength of Prestressed Concrete Beams Without Shear Reinforcement written by Mahgoub Osman Mahgoub and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jae-Sung Cho
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (794 download)
Download or read book Shear Behavior of Steel Fiber Reinforced Prestressed Concrete Beams Without Shear Reinforcement written by Jae-Sung Cho and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The ACI 318-08 building code allows to use the steel fiber reinforcement as alternative shear reinforcement with satisfying certain criteria when a beam is required minimum shear reinforcement. However, this provision applies to a nonprestressed and prestressed concrete beam such that it could be conservative since the shear strength of prestressed concrete beam is generally enhanced due to the prestressing force. This is due partially to the fact that the provision has been accepted based on researches, mostly conducted in nonprestressed concrete beam. Most of experiments conducted for prestressed concrete beam in small scale tests, with a height of specimens were less than 10 in. A larger scale of experiment is required due to concerns of size effect. In addition, in order to evaluate the qualification of a Steel Fiber Reinforced Concrete (SFRC) mixture used for structural applications, such as increasing shear resistance, a material evaluation method is essential. Currently ASTM or ACI Committee 544 (Fiber-Reinforced Concrete) does not recommend any standardized test method for evaluating shear performance of a particular SFRC material. This study addresses the research gaps described above by testing large-scale Steel Fiber Reinforced Prestressed Concrete (SFRPC) beams as well as developing a simple laboratory test techniques. A total 13 simply-supported beams for large-scale test with a shear span to effective depth ratio of 3.0 and a height of 24 in. were subjected to monotonically-increased, concentrated load. The test parameters were mainly included compressive strength, volume fraction of steel fibers, compressive reinforcement ratio. The results of large-scale test showed that the use of hooked steel fibers in a volume fraction greater than or equal to 0.50% volume fraction of steel fibers (67 lb per cubic yard), which is less than requirement by ACI 318-08 (0.75%, 100 lb per cubic yard), led to substantial enhancement of shear behaviors including the first cracking, the ultimate, and ductility. High compressive strength of SFRC, greater than 9000 psi, which is higher than ACI 318-08 requirement (less than 6000 psi) could be used as well. However, there was no significant effect from compressive reinforcement ratio. A simply shear test method for SFRC was proposed in this study. The test apparatus is almost exactly the same as the conventional ASTM bending test with only minor modification, in addition, it could simulate a pure shear stress by adjusting loading and support positions. By introducing a proper reinforcement for bending stress, it was possible to evaluate shear performance of SFRC with clear and uncomplicated shear stress field in the critical section.
Author : Institution of Structural Engineers (Great Britain). Shear Study Group
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (89 download)
Download or read book The Shear Strength of Reinforced Concrete Beams written by Institution of Structural Engineers (Great Britain). Shear Study Group and published by . This book was released on 1969 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. W. Cullington
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (359 download)
Download or read book Shear Strength of Some 30-year-old Prestressed Beams Without Links written by D. W. Cullington and published by . This book was released on 1991 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mete Avni Sozen
Publisher :
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.:/5 (31 download)
Download or read book Strength in Shear of Prestressed Concrete Beams Without Web Reinforcement written by Mete Avni Sozen and published by . This book was released on 1957 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Martin Herbrand
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Shear Strength Models for Reinforced and Prestressed Concrete Members written by Martin Herbrand and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mogens Lorentsen
Publisher :
ISBN 13 :
Total Pages : 195 pages
Book Rating : 4.:/5 (466 download)
Download or read book Shear and bond in prestressed concrete beams without shear reinforcement written by Mogens Lorentsen and published by . This book was released on 1964 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ian Nicol Robertson
Publisher :
ISBN 13 :
Total Pages : 210 pages
Book Rating : 4.:/5 (318 download)
Download or read book Shear Strength of Prestressed Concrete T-beams with Welded Wire Fabric as Shear Reinforcement written by Ian Nicol Robertson and published by . This book was released on 1985 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. A. Mansur
Publisher : CRC Press
ISBN 13 : 9780849374357
Total Pages : 240 pages
Book Rating : 4.3/5 (743 download)
Download or read book Concrete Beams with Openings written by M. A. Mansur and published by CRC Press. This book was released on 1999-01-29 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book compiles state-of-the-art information on the behavior, analysis, and design of concrete beams containing transverse openings. Discussions include the need, effects, and classification of openings as well as the general requirements for fulfilling design pure bending, combined bending, and shear - illustrated with numerical examples torsion alone or in combination with bending and shear large rectangular openings as well as opening size and location on beam behavior methods for analyzing ultimate strength and serviceability requirements effects of torsion in beams large openings in continuous beams and their effects on possible redistribution of internal forces as well as guidelines and procedures for the design of such beams effect of prestressing on the serviceability and strength of beams with web openings design against cracking at openings and ultimate loads Concrete Beams with Openings serves as an invaluable source of information for designers and practicing engineers, especially useful since little or no provision or guidelines are currently available in most building codes.
Author : Dr.-Ing. Martin Herbrand
Publisher : Beuth Verlag GmbH
ISBN 13 : 9783410657866
Total Pages : 176 pages
Book Rating : 4.6/5 (578 download)
Download or read book Shear Strength Models for Reinforced and Prestressed Concrete Members written by Dr.-Ing. Martin Herbrand and published by Beuth Verlag GmbH. This book was released on 2018-08-13 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, a mechanical flexural shear model for beams without shear reinforcement is derived that accountsfor the shear transfer actions from direct strut action, compression zone, crack processing zone, aggregateinterlock and dowel action. Based on the mechanical model, a simplified closed form Critical CrackWidth Model is derived. By linking the flexural shear capacity with flexural crack widths, the influence of axialforces can be accounted for consistently within this model. The comparison of the model with shear tests onRC beams, PC beams and RC beams in tension shows a very good agreement and it can be concluded thatall relevant influence parameters are considered correctly.AbsatzMoreover, the shear capacity of beams with shear reinforcement was investigated. The behavior of beamswith very little shear reinforcement can be considered similar to the behavior of beams without shear reinforcement,but with an additional stirrup contribution. For higher shear reinforcement ratios, the beams behavein agreement with an equilibrium based truss model with a variable strut inclination. To distinguish thesefailure modes in a consistent manner, a criterion based on the mechanical shear reinforcement ratio ofthe beam was derived. On this basis, shear design procedures for the design of new structures as well as forthe economic assessment of existing structures are presented. The partial safety factors for the proposedmodels are determined by probabilistic evaluations according to EN 1990. This thesis thus presents a comprehensiveprocedure for design and assessment of structures under shear loading. Judging from test evaluationsit can be expected that the presented approaches will be especially beneficiary for the assessment ofexisting structures like bridges.
Author : Ashraf H. Elzanaty
Publisher :
ISBN 13 :
Total Pages : 484 pages
Book Rating : 4.E/5 ( download)
Download or read book Shear-critical High-strength Concrete Beams written by Ashraf H. Elzanaty and published by . This book was released on 1985 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : FIB – International Federation for Structural Concrete
Publisher : FIB - International Federation for Structural Concrete
ISBN 13 :
Total Pages : 157 pages
Book Rating : 4./5 ( download)
Download or read book Shear in prestressed concrete members state of the art report written by FIB – International Federation for Structural Concrete and published by FIB - International Federation for Structural Concrete. This book was released on 1987-04-01 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frederick George Ernest Irwin
Publisher :
ISBN 13 :
Total Pages : 150 pages
Book Rating : 4.:/5 (282 download)
Download or read book Shear Strength of Prestressed Concrete I-beams Without Web Reinforcement ... written by Frederick George Ernest Irwin and published by . This book was released on 1956 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jin-Ping Zhang
Publisher :
ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.:/5 (341 download)
Download or read book Strength of Cracked Concrete, Part 1 written by Jin-Ping Zhang and published by . This book was released on 1994 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Q. B. Wang
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (657 download)
Download or read book Shear Strength of Reinforced Concrete Beams and Slabs Without Shear Reinforcement written by Q. B. Wang and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J.A. Ramirez
Publisher :
ISBN 13 : 9781622601844
Total Pages : pages
Book Rating : 4.6/5 (18 download)
Download or read book Shear Reinforcement Requirements for High-Strength Concrete Bridge Girders written by J.A. Ramirez and published by . This book was released on 2005-07-15 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Cooperative Highway Research Program
Publisher : Transportation Research Board
ISBN 13 : 0309088445
Total Pages : 64 pages
Book Rating : 4.3/5 (9 download)
Download or read book Simplified Shear Design of Structural Concrete Members written by National Cooperative Highway Research Program and published by Transportation Research Board. This book was released on 2005 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: "TRB's National Cooperative Highway Research Program (NCHRP) Report 549: Simplified Shear Design of Structural Concrete Members examines development of practical equations for design of shear reinforcement in reinforced and prestressed concrete bridge girders. The report also includes recommended specifications, commentary, and examples illustrating application of the specifications. NCHRP Web-Only Document 78 contains extensive supporting information, including a database that can be used to compare the predictions from the recommended procedures to existing design procedures"--Publisher's description
