Flexural Design Methodology For Heterogenous And Composite Uhpc Prestressed Concrete Beams With Bonded Tendons

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Flexural Design Methodology for Heterogenous and Composite UHPC Prestressed Concrete Beams with Bonded Tendons

Author : Anthony John Victor
Publisher :
ISBN 13 :
Total Pages : 71 pages
Book Rating : 4.:/5 (123 download)

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Book Synopsis Flexural Design Methodology for Heterogenous and Composite UHPC Prestressed Concrete Beams with Bonded Tendons by : Anthony John Victor

Download or read book Flexural Design Methodology for Heterogenous and Composite UHPC Prestressed Concrete Beams with Bonded Tendons written by Anthony John Victor and published by . This book was released on 2020 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract This study deals with the flexural behavior of all UHPC and composite UHPC beams prestressed with bonded tendons. Flexural behavior is investigated numerically in terms of the failure mode for each beam type and in terms of the mobilization of material capacity . Stress in pre-stressing strands at the ultimate limit state is predicted using finite element analysis, strain compatibility, as well as closed form equations. It is investigated whether the strain compatibility approach and proposed closed form equations are able to predict with good accuracy the stress in strands at the ultimate limit state. It is determined whether the behavior of a composite bridge constructed with prestressed UHPC beams and a normal strength concrete deck is comparable to that when both the beam and the deck are constructed with UHPC. Various concrete strengths for the deck are investigated to yield a comparable performance with all UHPC construction to result in an economical solution without compromising capacity. For cases that feature all UHPC construction (i.e. the beam and the deck) the mobilization of the material strength at the ultimate limit state is investigated. Failure mode for each case is characterized either as a concrete compression controlled failure, or a concrete tension controlled failure using validated material constitutive models. A proposed design methodology for determining flexural capacity at the ultimate limit state is presented. The proposed methodology is validated using data obtained from over 150 girder sections investigated numerically using validated finite element models, and strain compatibility analysis. The benefits of composite construction featuring a normal weight concrete deck and a UHPC beam are demonstrated by conducting a parametric analysis and monitoring the flexural failure mode and the utilization of material capacity.

Flexural Behavior of Prestressed Concrete Composite Tee-beams

Author : James Bryson
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Flexural Behavior of Prestressed Concrete Composite Tee-beams by : James Bryson

Download or read book Flexural Behavior of Prestressed Concrete Composite Tee-beams written by James Bryson and published by . This book was released on 1970 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prestressed Tee-beams constructed by the split-beam method were tested to failure in flexure to study the behavior and ultimate strength of these beams and to compare their flexural characteristics with those of prestressed beams of conventional construction. Results showed that composite split-beams behaved similarly to the monolithically constructed beams on the basis of flexural response and ultimate load.

The Flexural Behavior and Analysis of Prestressed Ultra High Performance Concrete Beams Made from Locally Available Materials

Author : Andrew J. Giesler
Publisher :
ISBN 13 :
Total Pages : 1000 pages
Book Rating : 4.:/5 (98 download)

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Book Synopsis The Flexural Behavior and Analysis of Prestressed Ultra High Performance Concrete Beams Made from Locally Available Materials by : Andrew J. Giesler

Download or read book The Flexural Behavior and Analysis of Prestressed Ultra High Performance Concrete Beams Made from Locally Available Materials written by Andrew J. Giesler and published by . This book was released on 2014 with total page 1000 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultra high performance concrete (UHPC) is a relatively new material with significantly different properties from conventional concrete. By taking advantage of this material's vastly increased compressive strengths, durability, tensile strengths, and post-cracking capacity from fiber reinforcement, bridges may be designed with longer spans, slimmer members, and increase design lives. However, due to the lack of standardized design procedures, this concrete has yet to be widely accepted as structural material for bridge superstructure design. A UHPC was developed at NMSU that utilizes material available primarily within the state of New Mexico. By utilizing local materials, the high cost associated with commercially available products can be significantly reduced. However, due to the unique mixture proportions, testing must be conducted in regard to the specific material and mechanical properties of this UHPC before it is implemented into structural design. This research focused on the design, production, flexural testing, and analysis of three large-scale prestressed UHPC beams well as fourteen small-scale normally reinforced UHPC beams. Varied parameters for the prestressed specimens included the removal of all mild steel reinforcement and effect of a cast-in-place high strength concrete deck acting in composite action with one if the UHPC specimens. The testing of the normally reinforced specimens investigated the effect of fiber reinforcement on the structural performance and strength characteristics under flexural loading. In order to familiarize the local concrete industry with this concrete, batching casting, and curing of the specimens was conducted with local precasters in order to develop recommendations and procedures for the large-scale production of UHPC. A three stage trial batching process was conducted with Coreslab® Structures (Albuquerque), Inc. to evaluate their plant and production capabilities for the effective batching of UHPC. Using an equivalent uniform tensile stress block to account for the post craking capacity of UHPC (due to fiber reinforcement), as well as strain compatibility, equilibrium, and constitutive relationships, analytical models for the flexural behavoir of both normally reinforced and prestressed UHPC beams were developed. Predictions correlated well with the measured flexural behavior of the specimens. By comparing experimental results with predicted behaviors, recommendations for incorporating the flexural capacity of UHPC flexural members into the American Association of State and Highway Transportation Officials (AASHTO) Load Resistance Factor Design (LRFD) Bridge Design Specifications (2012) are proposed.

Flexural Behavior, Strength and Ultimate Design of Prestressed Concrete Beams

Author : Narbey Khachaturian
Publisher :
ISBN 13 :
Total Pages : 320 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Flexural Behavior, Strength and Ultimate Design of Prestressed Concrete Beams by : Narbey Khachaturian

Download or read book Flexural Behavior, Strength and Ultimate Design of Prestressed Concrete Beams written by Narbey Khachaturian and published by . This book was released on 1963 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Flexural Design of Prestressed Concrete Beams with FRP Tendons

Author : Chad R. Burke
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.:/5 (393 download)

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Book Synopsis Flexural Design of Prestressed Concrete Beams with FRP Tendons by : Chad R. Burke

Download or read book Flexural Design of Prestressed Concrete Beams with FRP Tendons written by Chad R. Burke and published by . This book was released on 1998 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Load-deflection Response of Prestressed Concrete Beams Strengthened with FRP

Author : Kimberly Waggle Kramer
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (124 download)

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Book Synopsis Load-deflection Response of Prestressed Concrete Beams Strengthened with FRP by : Kimberly Waggle Kramer

Download or read book Load-deflection Response of Prestressed Concrete Beams Strengthened with FRP written by Kimberly Waggle Kramer and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Currently, degradation of pretensioned prestressed reinforced concrete (PRC) bridge structures is a serious problem in the United States of America. Since 2000, the use of fiber-reinforced polymer (FRP) is well studied and has become an accepted method to rehabilitate concrete bridges. Design engineers use the ACI 440.2R-17 to determine strength requirements. Additionally, evaluating the deflection of strengthened PRC members is required during the restoration/strengthening design. ACI 440.2R-17 relies on ACI 318-19 for deflection calculations and limits prestressing from yielding under service load levels. This dissertation examines the application of the effective moment of inertia equation given in ACI 318-19 for the determination of deflection after cracking of PRC beams externally strengthened with carbon fiber reinforced polymers (CFRP). The results reported in this dissertation deal with the behavior of partially prestressed concrete beams strengthened with high strength composites. The three major parts discussed are experimental work, analytical investigations, and a parametric study. Experimental results obtained by other researchers were used to verify the results of the analytical procedures developed. The parametric study provides information on the moment-curvature and load-deflection behavior of strengthened pretensioned prestressed concrete flexural members externally strengthened with fiber-reinforced polymers that can be obtained for various concrete strengths, reinforcement ratios, and varying cross-sections. An analytical model was developed to predict the flexural rigidity of pretensioned, partially prestressed concrete beams that are externally strengthened with high strength composites. CFRP sheets were used for the derivation of equations. The proposed model is based on principles of mechanics and the sectional equations available for the analysis of partially prestressed beams. The model is applicable to the full range of prestressed concrete members covering partially and fully prestressed concrete, straight or harped strands, with or without supplemental mild-reinforcing steel, and varying loading conditions. The procedure can be used to generate the entire load-deflection response and through performing the moment-curvature analysis and estimation of stresses and strains in addition to computing the effective flexural stiffness of the strengthened prestressed member. Comparisons of experimental and analytical results show that deflection can be predicted with good accuracy using the developed modified effective moment of inertia equation. The parametric investigation was conducted on the effect of the basic variables namely, cross-section, concrete compressive strength, prestressing steel ratio, amount of carbon fibers, modulus of elasticity of prestressing steel-to-modulus of elasticity of CFRP ratio, modulus of elasticity of carbon fiber composite, spans, and shear span-to-span ratios. The goal of this investigation was conducted to understand the effect of CFRP strengthening to the flexural stiffness. Rectangular cross-sections with straight bonded prestressing tendons strengthened with 1 to 5 layers of unidirectional carbon sheets were analyzed in the parametric study. Lastly, the application of the proposed effective moment of inertia equation to bonded, pretensioned prestressed members, with harped strands depressed at midspan, externally strengthened with CFRP is examined in comparison with the experimental and analytical response curves.

Flexural Behavior of High Strength Concrete Beams Prestressed with Unbonded Tendons

Author : Padit Tanchan
Publisher :
ISBN 13 :
Total Pages : 616 pages
Book Rating : 4.:/5 (777 download)

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Book Synopsis Flexural Behavior of High Strength Concrete Beams Prestressed with Unbonded Tendons by : Padit Tanchan

Download or read book Flexural Behavior of High Strength Concrete Beams Prestressed with Unbonded Tendons written by Padit Tanchan and published by . This book was released on 2001 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ultra High Performance Concrete

Author : Ekkehard Fehling
Publisher : kassel university press GmbH
ISBN 13 : 3899583760
Total Pages : 922 pages
Book Rating : 4.8/5 (995 download)

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Book Synopsis Ultra High Performance Concrete by : Ekkehard Fehling

Download or read book Ultra High Performance Concrete written by Ekkehard Fehling and published by kassel university press GmbH. This book was released on 2008-01-01 with total page 922 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ultra-High Performance Concrete UHPC

Author : Ekkehard Fehling
Publisher : John Wiley & Sons
ISBN 13 : 3433030871
Total Pages : 198 pages
Book Rating : 4.4/5 (33 download)

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Book Synopsis Ultra-High Performance Concrete UHPC by : Ekkehard Fehling

Download or read book Ultra-High Performance Concrete UHPC written by Ekkehard Fehling and published by John Wiley & Sons. This book was released on 2015-04-20 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Selected chapters from the German concrete yearbook are now being published in the new English "Beton-Kalender Series" for the benefit of an international audience. Since it was founded in 1906, the Ernst & Sohn "Beton-Kalender" has been supporting developments in reinforced and prestressed concrete. The aim was to publish a yearbook to reflect progress in "ferro-concrete" structures until - as the book's first editor, Fritz von Emperger (1862-1942), expressed it - the "tempestuous development" in this form of construction came to an end. However, the "Beton-Kalender" quickly became the chosen work of reference for civil and structural engineers, and apart from the years 1945-1950 has been published annually ever since. Ultra high performance concrete (UHPC) is a milestone in concrete technology and application. It permits the construction of both more slender and more durable concrete structures with a prolonged service life and thus improved sustainability. This book is a comprehensive overview of UHPC - from the principles behind its production and its mechanical properties to design and detailing aspects. The focus is on the material behaviour of steel fibre-reinforced UHPC. Numerical modelling and detailing of the connections with reinforced concrete elements are featured as well. Numerous examples worldwide - bridges, columns, facades and roofs - are the basis for additional explanations about the benefits of UHPC and how it helps to realise several architectural requirements. The authors are extensively involved in the testing, design, construction and monitoring of UHPC structures. What they provide here is therefore a unique synopsis of the state of the art with a view to practical applications.

Design of Highway Bridges

Author : Richard M. Barker
Publisher : John Wiley & Sons
ISBN 13 : 1118330102
Total Pages : 1194 pages
Book Rating : 4.1/5 (183 download)

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Book Synopsis Design of Highway Bridges by : Richard M. Barker

Download or read book Design of Highway Bridges written by Richard M. Barker and published by John Wiley & Sons. This book was released on 2013-02-04 with total page 1194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Up-to-date coverage of bridge design and analysis revised to reflect the fifth edition of the AASHTO LRFD specifications Design of Highway Bridges, Third Edition offers detailed coverage of engineering basics for the design of short- and medium-span bridges. Revised to conform with the latest fifth edition of the American Association of State Highway and Transportation Officials (AASHTO) LRFD Bridge Design Specifications, it is an excellent engineering resource for both professionals and students. This updated edition has been reorganized throughout, spreading the material into twenty shorter, more focused chapters that make information even easier to find and navigate. It also features: Expanded coverage of computer modeling, calibration of service limit states, rigid method system analysis, and concrete shear Information on key bridge types, selection principles, and aesthetic issues Dozens of worked problems that allow techniques to be applied to real-world problems and design specifications A new color insert of bridge photographs, including examples of historical and aesthetic significance New coverage of the "green" aspects of recycled steel Selected references for further study From gaining a quick familiarity with the AASHTO LRFD specifications to seeking broader guidance on highway bridge design Design of Highway Bridges is the one-stop, ready reference that puts information at your fingertips, while also serving as an excellent study guide and reference for the U.S. Professional Engineering Examination.

Principles of Reinforced Concrete

Author : Zhenhai Guo
Publisher : Butterworth-Heinemann
ISBN 13 : 0128009632
Total Pages : 607 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Principles of Reinforced Concrete by : Zhenhai Guo

Download or read book Principles of Reinforced Concrete written by Zhenhai Guo and published by Butterworth-Heinemann. This book was released on 2014-07-17 with total page 607 pages. Available in PDF, EPUB and Kindle. Book excerpt: Principle of Reinforced Concrete introduces the main properties of structural concrete and its mechanical behavior under various conditions as well as all aspects of the combined function of reinforcement and concrete. Based on the experimental investigation, the variation regularity of mechanical behavior, working mechanism, and calculation method are presented for the structural member under various internal forces. After examining the basic principle and analysis method of reinforced concrete, the book covers some extreme circumstances, including fatigue load, earthquake, explosion, high temperature (fire accident), and durability damage, and the special responses and analysis methods of its member under these conditions. This work is valuable as a textbook for post-graduates, and can be used as a reference for university teachers and under-graduates in the structural engineering field. It is also useful for structural engineers engaged in scientific research, design, or construction. Focuses on the principles of reinforced concrete, providing professional and academic readers with a single volume reference Experimental data enables readers to make full use of the theory presented The mechanical behavior of both concrete and reinforcement materials, plus the combined function of both are covered, enabling readers to understand the behaviors of reinforced concrete structures and their members Covers behavior of the materials and members under normal and extreme conditions

Advanced Concrete Technology

Author : Zongjin Li
Publisher : John Wiley & Sons
ISBN 13 : 0470902434
Total Pages : 698 pages
Book Rating : 4.4/5 (79 download)

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Book Synopsis Advanced Concrete Technology by : Zongjin Li

Download or read book Advanced Concrete Technology written by Zongjin Li and published by John Wiley & Sons. This book was released on 2011-01-11 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past two decades concrete has enjoyed a renewed level of research and testing, resulting in the development of many new types of concrete. Through the use of various additives, production techniques and chemical processes, there is now a great degree of control over the properties of specific concretes for a wide range of applications. New theories, models and testing techniques have also been developed to push the envelope of concrete as a building material. There is no current textbook which brings all of these advancements together in a single volume. This book aims to bridge the gap between the traditional concrete technologies and the emerging state-of-the-art technologies which are gaining wider use.

Control of Cracking in Reinforced Concrete Structures

Author : Francis Barre
Publisher : John Wiley & Sons
ISBN 13 : 1786300524
Total Pages : 256 pages
Book Rating : 4.7/5 (863 download)

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Book Synopsis Control of Cracking in Reinforced Concrete Structures by : Francis Barre

Download or read book Control of Cracking in Reinforced Concrete Structures written by Francis Barre and published by John Wiley & Sons. This book was released on 2016-08-29 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents new guidelines for the control of cracking in massive reinforced and prestressed concrete structures. Understanding this behavior during construction allows engineers to ensure properties such as durability, reliability, and water- and air-tightness throughout a structure’s lifetime. Based on the findings of the French national CEOS.fr project, the authors extend existing engineering standards and codes to advance the measurement and prediction of cracking patterns. Various behaviors of concrete under load are explored within the chapters of the book. These include cracking of ties, beams and in walls, and the simulation and evaluation of cracking, shrinkage and creep. The authors propose new engineering rules for crack width and space assessment of cracking patterns, and provide recommendations for measurement devices and protocols. Intended as a reference for design and civil engineers working on construction projects, as well as to aid further work in the research community, applied examples are provided at the end of each chapter in the form of expanded measurement methods, calculations and commentary on models.

Advances in Construction Materials 2007

Author : Christian U. Grosse
Publisher : Springer Science & Business Media
ISBN 13 : 3540724486
Total Pages : 764 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Advances in Construction Materials 2007 by : Christian U. Grosse

Download or read book Advances in Construction Materials 2007 written by Christian U. Grosse and published by Springer Science & Business Media. This book was released on 2007-08-14 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is a compilation of recent research results on building construction materials. Civil Engineers and Materials Scientists from all over the world present their ideas for further material developments, the testing of structures and solutions for in situ applications. Many of the innovations, composites and the design of existing material mixes, especially for concrete, are discussed.

Emerging Technologies in Non-Destructive Testing VI

Author : Danny Van Hemelrijck
Publisher : CRC Press
ISBN 13 : 1315647540
Total Pages : 592 pages
Book Rating : 4.3/5 (156 download)

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Book Synopsis Emerging Technologies in Non-Destructive Testing VI by : Danny Van Hemelrijck

Download or read book Emerging Technologies in Non-Destructive Testing VI written by Danny Van Hemelrijck and published by CRC Press. This book was released on 2015-11-24 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: Non-Destructive Testing (NDT) is of worldwide significance, and is strongly related to the detection of damage in engineering structures (buildings, bridges, aircrafts, ships, pressure vessels, etc.) using non-invasive techniques (ultrasound, X-rays, Radar, neutrons, thermography, vibrations, acoustic emission, etc.). Emerging Technologies in Non-D

Designing and Building with UHPFRC

Author : Jacques Resplendino
Publisher : John Wiley & Sons
ISBN 13 : 1118587553
Total Pages : 678 pages
Book Rating : 4.1/5 (185 download)

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Book Synopsis Designing and Building with UHPFRC by : Jacques Resplendino

Download or read book Designing and Building with UHPFRC written by Jacques Resplendino and published by John Wiley & Sons. This book was released on 2013-01-29 with total page 678 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the proceedings of the international workshop “Designing and Building with Ultra-High Performance Fibre-Reinforced Concrete (UHPFRC): State of the Art and Development”, organized by AFGC, the French Association for Civil Engineering and French branch of fib, in Marseille (France), November 17-18, 2009. This workshop was focused on the experience of a lot of recent UHPFRC realizations. Through more than 50 papers, this book details the experience of many countries in UHPFRC construction and design, including projects from Japan, Germany, Australia, Austria, USA, Denmark, the Netherlands, Canada... and France. The projects are categorized as novel architectural solutions, new frontiers for bridges, new equipments and structural components, and extending the service life of structures. The last part presents major research results, durability and sustainability aspects, and the updated AFGC Recommendations on UHPFRC.

Processing of Slender Concrete Shells - Fabrication and Installation

Author : Eisenbach, Philipp
Publisher : kassel university press GmbH
ISBN 13 : 3737602581
Total Pages : 336 pages
Book Rating : 4.7/5 (376 download)

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Book Synopsis Processing of Slender Concrete Shells - Fabrication and Installation by : Eisenbach, Philipp

Download or read book Processing of Slender Concrete Shells - Fabrication and Installation written by Eisenbach, Philipp and published by kassel university press GmbH. This book was released on 2017 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lightweight structures and material optimized systems are of major relevance in the building industry and particularly in the design of concrete structures. This is not only for aesthetic reasons, but also to use material in a resource conserving way. The increase of strength characteristics, as one measure to reduce cross section dimensions, postulates the prefabrication of cementitious materials under laboratory conditions. This thesis examines the contradiction of the possibility to realize slender concrete elements and the complexity of the discontinued homogeneity arising from necessary segmentations. Proposals of implementation strategies are demonstrated and verified on the basis of selected case studies.