Nonlinear Analysis Of Reinforced Concrete Beams And Columns With Special Reference To Full Range And Cyclic
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Nonlinear Analysis Of Reinforced Concrete Beams And Columns With Special Reference To Full Range And Cyclic
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Author : Zhizhou Bai
language : en
Publisher:
Release Date : 2017-01-27
Nonlinear Analysis Of Reinforced Concrete Beams And Columns With Special Reference To Full Range And Cyclic written by Zhizhou Bai and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-01-27 with categories.
This dissertation, "Nonlinear Analysis of Reinforced Concrete Beams and Columns With Special Reference to Full-range and Cyclic" by Zhizhou, Bai, 白植舟, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: Abstract of thesis entitled NONLINEAR ANALYSIS OF REINFORCED CONCRETE BEAMS AND COLUMNS WITH SPECIAL REFERENCE TO FULL-RANGE AND CYCLIC BEHAVIOUR Submitted by BAI Zhizhou for the degree of Doctor of Philosophy at The University of Hong Kong in December 2006 In this thesis, the full-range flexural behaviour of reinforced concrete (RC) beams and columns made of normal- and high-strength concrete under both monotonic and cyclic loading is studied. The full-range moment-curvature relationships are obtained based on a numerical method that considers the cyclic response of constitutive materials. A two-dimensional nonlinear finite element procedure is also developed for the analysis of RC beams under monotonic and non-reversed cyclic loading. For RC beam sections, it is found that the full-range flexural behaviour is basically dependent on the tension steel to balanced steel ratio. The full-range moment-curvature curves for under-reinforced sections have long yield plateaus while those for over-reinforced sections have sharp peaks. The full-range moment-curvature curves under monotonic loading in sagging and hogging moments are found to give the envelope for cyclic response. Reversed cyclic loading generally creates overall residual tensile strains in RC sections, and is especially significant for under-reinforced sections. The variation of neutral axis depth during monotonic and cyclic loading shows different trends for under- and over-reinforced sections. For RC column sections, it is found that the full-range flexural behaviour is strongly dependent on the axial load and confinement, which govern the moment capacity, ductility and failure mode of an RC column. The flexural ductility is generally reduced by compressive axial load but increased by confinement. The moment-curvature curve of a section under tensile axial load or relatively low compressive axial load has a long plateau around peak moment, while that under relatively high compressive axial load has a sharper peak. The complete moment-curvature curves under monotonic loading in sagging and hogging moments give the envelope for cyclic response except for sections under very high compressive axial load. A section under tensile axial load or low compressive axial load tends to elongate after a complete cyclic loading, while a section under high compressive axial load tends to shorten. The variations of neutral axis depth and steel stresses are also dependent on the axial load and confinement. The effect of concrete tensile strength is only notable for under-reinforced RC beam sections and for RC column sections under tensile axial load or relatively low compressive axial load at the service stage. The Bauschinger effect of steel is negligible in the case of RC sections undergoing non-reversed cyclic loading, but becomes significant for reversed cyclic loading that is extended into large inelastic deformation. Besides section analyses, a two-dimensional nonlinear finite element procedure is also developed for better understanding of the behaviour of RC beams under monotonic and non-reversed cyclic loading. In particular, the local bond-slip effect is modelled by linear displacement contact elements. The numerical predictions are validated by experimental results. With the proper choice of bond parameters, results show that the procedure is capable of modelling the for
Nonlinear Analysis Of Reinforced Concrete Beams And Columns With Special Reference To Full Range And Cyclic
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Author : Zhizhou Bai
language : en
Publisher:
Release Date : 2006
Nonlinear Analysis Of Reinforced Concrete Beams And Columns With Special Reference To Full Range And Cyclic written by Zhizhou Bai and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Concrete beams categories.
Nonlinear Analysis Of Reinforced Concrete Beams Beam Columns And Slabs By Finite Elements
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Author : Kadambi Ramaswami RAJAGOPAL
language : en
Publisher:
Release Date : 1976
Nonlinear Analysis Of Reinforced Concrete Beams Beam Columns And Slabs By Finite Elements written by Kadambi Ramaswami RAJAGOPAL and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Columns, Concrete categories.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 2008
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Dissertations, Academic categories.
Nonlinear Time Dependent Design And Analysis Of Slender Reinforced Concrete Columns
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Author : Ka-Wai Lee
language : en
Publisher: Cuvillier Verlag
Release Date : 2004
Nonlinear Time Dependent Design And Analysis Of Slender Reinforced Concrete Columns written by Ka-Wai Lee and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Reinforced Concrete Beams Columns And Frames
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Author : Jostein Hellesland
language : en
Publisher: John Wiley & Sons
Release Date : 2013-03-04
Reinforced Concrete Beams Columns And Frames written by Jostein Hellesland and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-04 with Science categories.
This book is focused on the theoretical and practical design of reinforced concrete beams, columns and frame structures. It is based on an analytical approach of designing normal reinforced concrete structural elements that are compatible with most international design rules, including for instance the European design rules – Eurocode 2 – for reinforced concrete structures. The book tries to distinguish between what belongs to the structural design philosophy of such structural elements (related to strength of materials arguments) and what belongs to the design rule aspects associated with specific characteristic data (for the material or loading parameters). A previous book, entitled Reinforced Concrete Beams, Columns and Frames – Mechanics and Design, deals with the fundamental aspects of the mechanics and design of reinforced concrete in general, both related to the Serviceability Limit State (SLS) and the Ultimate Limit State (ULS), whereas the current book deals with more advanced ULS aspects, along with instability and second-order analysis aspects. Some recent research results including the use of non-local mechanics are also presented. This book is aimed at Masters-level students, engineers, researchers and teachers in the field of reinforced concrete design. Most of the books in this area are very practical or code-oriented, whereas this book is more theoretically based, using rigorous mathematics and mechanics tools. Contents 1. Advanced Design at Ultimate Limit State (ULS). 2. Slender Compression Members – Mechanics and Design. 3. Approximate Analysis Methods. Appendix 1. Cardano’s Method. Appendix 2. Steel Reinforcement Table. About the Authors Jostein Hellesland has been Professor of Structural Mechanics at the University of Oslo, Norway since January 1988. His contribution to the field of stability has been recognized and magnified by many high-quality papers in famous international journals such as Engineering Structures, Thin-Walled Structures, Journal of Constructional Steel Research and Journal of Structural Engineering. Noël Challamel is Professor in Civil Engineering at UBS, University of South Brittany in France and chairman of the EMI-ASCE Stability committee. His contributions mainly concern the dynamics, stability and inelastic behavior of structural components, with special emphasis on Continuum Damage Mechanics (more than 70 publications in International peer-reviewed journals). Charles Casandjian was formerly Associate Professor at INSA (French National Institute of Applied Sciences), Rennes, France and the chairman of the course on reinforced concrete design. He has published work on the mechanics of concrete and is also involved in creating a web experience for teaching reinforced concrete design – BA-CORTEX. Christophe Lanos is Professor in Civil Engineering at the University of Rennes 1 in France. He has mainly published work on the mechanics of concrete, as well as other related subjects. He is also involved in creating a web experience for teaching reinforced concrete design – BA-CORTEX.
Nonlinear Finite Element Analysis Of Reinforced Concrete Exterior Beam Column Joints With Nonseismic Detailing
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Author : James B. Deaton
language : en
Publisher:
Release Date : 2013
Nonlinear Finite Element Analysis Of Reinforced Concrete Exterior Beam Column Joints With Nonseismic Detailing written by James B. Deaton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Concrete construction categories.
This research investigated the behavior of nonseismically detailed reinforced concrete exterior beam-column joints subjected to bidirectional lateral cyclic loading using nonlinear finite element analysis (NLFEA). Beam-column joints constitute a critical component in the load path of reinforced concrete buildings due to their fundamental role in integrating the overall structural system. Earthquake reconnaissance reports reveal that failure of joints has contributed to partial or complete collapse of reinforced concrete buildings designed without consideration for large lateral loads, resulting in significant economic impact and loss of life. Such infrastructure exists throughout seismically active regions worldwide, and the large-scale risk associated with such deficiencies is not fully known. Computational strategies provide a useful complement to the existing experimental literature on joint behavior and are needed to more fully characterize the failure processes in seismically deficient beam-column joints subjected to realistic failure conditions. Prior to this study, vulnerable reinforced concrete corner beam-column joints including the slab had not been analyzed using nonlinear finite element analysis and compared with experimental results. The first part of this research focused on identification and validation of a constitutive modeling strategy capable of simulating the behaviors known to dominate failure of beam-column joints under cyclic lateral load using NLFEA. This prototype model was formulated by combining a rotating smeared crack concrete constitutive model with a reinforcing bar plasticity model and nonlinear bond-slip formulation. This model was systematically validated against experimental data, and parametric studies were conducted to determine the sensitivity of the response to various material properties. The prototype model was then used to simulate the cyclic response of four seismically deficient beam-column joints which had been previously evaluated experimentally. The simulated joints included: a one-way exterior joint, a two-way beam-column exterior corner joint, and a series of two-way beam-column-slab exterior corner joints with varying degrees of seismic vulnerability. The two-way corner joint specimens were evaluated under simultaneous cyclic bidirectional lateral and cyclic column axial loading. For each specimen, the ability of the prototype model to capture the strength, stiffness degradation, energy dissipation, joint shear strength, and progressive failure mechanisms (e.g. cracking) was demonstrated.
Life Cycle Analysis And Assessment In Civil Engineering Towards An Integrated Vision
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Author : Robby Caspeele
language : en
Publisher: CRC Press
Release Date : 2018-10-31
Life Cycle Analysis And Assessment In Civil Engineering Towards An Integrated Vision written by Robby Caspeele and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-31 with Technology & Engineering categories.
This volume contains the papers presented at IALCCE2018, the Sixth International Symposium on Life-Cycle Civil Engineering (IALCCE2018), held in Ghent, Belgium, October 28-31, 2018. It consists of a book of extended abstracts and a USB device with full papers including the Fazlur R. Khan lecture, 8 keynote lectures, and 390 technical papers from all over the world. Contributions relate to design, inspection, assessment, maintenance or optimization in the framework of life-cycle analysis of civil engineering structures and infrastructure systems. Life-cycle aspects that are developed and discussed range from structural safety and durability to sustainability, serviceability, robustness and resilience. Applications relate to buildings, bridges and viaducts, highways and runways, tunnels and underground structures, off-shore and marine structures, dams and hydraulic structures, prefabricated design, infrastructure systems, etc. During the IALCCE2018 conference a particular focus is put on the cross-fertilization between different sub-areas of expertise and the development of an overall vision for life-cycle analysis in civil engineering. The aim of the editors is to provide a valuable source of cutting edge information for anyone interested in life-cycle analysis and assessment in civil engineering, including researchers, practising engineers, consultants, contractors, decision makers and representatives from local authorities.
Safety Reliability Risk And Life Cycle Performance Of Structures And Infrastructures
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Author : George Deodatis
language : en
Publisher: CRC Press
Release Date : 2014-02-10
Safety Reliability Risk And Life Cycle Performance Of Structures And Infrastructures written by George Deodatis and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-02-10 with Technology & Engineering categories.
Safety, Reliability, Risk and Life-Cycle Performance of Structures and Infrastructures contains the plenary lectures and papers presented at the 11th International Conference on STRUCTURAL SAFETY AND RELIABILITY (ICOSSAR2013, New York, NY, USA, 16-20 June 2013), and covers major aspects of safety, reliability, risk and life-cycle performance of str
Inelastic Design Of Reinforced
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Author : Ching-Ming Johnny Ho
language : en
Publisher: Open Dissertation Press
Release Date : 2017-01-27
Inelastic Design Of Reinforced written by Ching-Ming Johnny Ho and has been published by Open Dissertation Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-01-27 with Technology & Engineering categories.
This dissertation, "Inelastic Design of Reinforced Concrete Beams and Limited Ductile High-strength Concrete Columns" by Ching-ming, Johnny, Ho, 何正銘, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: Abstract of thesis entitled INELASTIC DESIGN OF REINFORCED CONCRETE BEAMS AND LIMITED DUCTILE HIGH-STRENGTH CONCRETE COLUMNS submitted by Ho Ching Ming Johnny for the degree of Doctor of Philosophy at The University of Hong Kong in January 2003 This thesis studies the inelastic analysis and design of normal- and high-strength reinforced concrete beams and high-strength reinforced concrete columns. Particular attention is given to the proposed design method of limited ductile high-strength reinforced concrete columns. Analytical studies on normal- and high-strength reinforced concrete beams and experimental research on high-strength reinforced concrete columns are conducted and discussed. To investigate the post-peak behaviour and flexural ductility performance of reinforced concrete beams and columns, the author proposes a new method of rigorous nonlinear moment-curvature analysis that incorporates the strain history effect of tension steel. The moment-curvature curves derived using the new method resemble more closely the actual post-peak behaviour of reinforced concrete members compared to their conventionally-derived counterparts. The results enable the author to derive: (1) a theoretical equation that correlates the curvature ductility factor of reinforced concrete beams to various structural parameters; (2) two sets of design ultimate concrete strains suitable for use with either the proposed equivalent rectangular concrete stress block or the equivalent rectangular stress block of BS 8110; and (3) a series of design charts that facilitates the concurrent design of flexural strength and ductility of reinforced concrete beams. A new parametric study using the proposed analysis method is also conducted to refine the author's previously-proposed equation on transverse steel content of limited ductile high-strength reinforced concrete columns. A series of high-strength reinforced concrete columns containing transverse reinforcement calculated in accordance with this refined equation are tested under compressive axial load and reversed cyclic inelastic displacements to assess its adequacy. These columns prove capable of achieving a curvature ductility factor close to 10, which is the commonly-accepted measure for limited ductile structures. They are subsequently compared with another series of columns containing transverse steel calculated in accordance with the shear requirement of BS 8110. The performance of the latter series is shown to be much worse than the former in terms of flexural strength and ductility. The influence of transverse steel configuration is investigated on some test specimens selected from these two series of columns. In addition, three column specimens are tested to investigate the effect of tension steel lap splice. The test results indicate that the lap splice should be located further away from the potential plastic hinge region. The author also proposes a rational evaluation of plastic hinge length, which could hitherto only be assessed empirically during experimental tests, using various methods that can be grouped into direct and indirect methods. The results are compared with the experimental data obtained from the majority of the column test specimens and with the experimental data obtained by other researchers, and they match closely. To facilitate the design of limited ductile hig