Behaviour And Analysis Of Steel Fibre Reinforced Concrete Under Reversed Cyclic Loading
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Behaviour And Analysis Of Steel Fibre Reinforced Concrete Under Reversed Cyclic Loading
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Author : Wei Jun Wei Luo
language : en
Publisher:
Release Date : 2014
Behaviour And Analysis Of Steel Fibre Reinforced Concrete Under Reversed Cyclic Loading written by Wei Jun Wei Luo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Behaviour And Analysis Of Steel And Macro Synthetic Fibre Reinforced Concrete Subjected To Reversed Cyclic Loading
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Author : David Joseph Carnovale
language : en
Publisher:
Release Date : 2013
Behaviour And Analysis Of Steel And Macro Synthetic Fibre Reinforced Concrete Subjected To Reversed Cyclic Loading written by David Joseph Carnovale and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Behaviour Of Self Consolidating Steel Fiber Reinforced Concrete Beams Under Reversed Cyclic Loading
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Author : Nima Aghniaey
language : en
Publisher:
Release Date : 2013
Behaviour Of Self Consolidating Steel Fiber Reinforced Concrete Beams Under Reversed Cyclic Loading written by Nima Aghniaey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
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
The Behaviour Of Reinforced Concrete Subjected To Reversed Cyclic Shear
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Author : David Michael Volpe Ruggiero
language : en
Publisher:
Release Date : 2015
The Behaviour Of Reinforced Concrete Subjected To Reversed Cyclic Shear written by David Michael Volpe Ruggiero and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
Fiber Reinforced Concrete Under Cyclic And Dynamic Compressive Loadings
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Author : Duane Eric Otter
language : en
Publisher:
Release Date : 1988
Fiber Reinforced Concrete Under Cyclic And Dynamic Compressive Loadings written by Duane Eric Otter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Composite materials categories.
Fibre Reinforced Concrete Improvements And Innovations
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Author : Pedro Serna
language : en
Publisher: Springer Nature
Release Date : 2020-11-05
Fibre Reinforced Concrete Improvements And Innovations written by Pedro Serna and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-05 with Technology & Engineering categories.
This volume highlights the latest advances, innovations, and applications in the field of fibre reinforced concrete (FRC) and discusses a diverse range of topics concerning FRC: rheology and early-age properties, mechanical properties, codes and standards, long-term properties, durability, analytical and numerical models, quality control, structural and Industrial applications, smart FRC’s, nanotechnologies related to FRC, textile reinforced concrete, structural design and UHPFRC. The contributions present improved traditional and new ideas that will open novel research directions and foster multidisciplinary collaboration between different specialists. Although the symposium was postponed, the book gathers peer-reviewed papers selected in 2020 for the RILEM-fib International Symposium on Fibre Reinforced Concrete (BEFIB).
Behaviour Of Steel Fiber Reinforced Concrete Under Blast Load
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Author : Sakkasem Suwarnarat
language : en
Publisher:
Release Date : 2015
Behaviour Of Steel Fiber Reinforced Concrete Under Blast Load written by Sakkasem Suwarnarat and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Finite element method categories.
Recent studies show that adding steel fiber into concrete will enhance tensile capacity especially in high strain-rate loading condition. This thesis shows the results from experiments and finite element analysis simulations for the responses of steel fiber reinforced concrete (SFRC) panels and normal reinforced concrete (NRC) panels subjected to blast loading. Two panels per fiber weight ratio of 0 (concrete without fiber), 30, and 60 kg per cubic meter were casted. Total of 6 panels were casted with controlled cementitious matrix strength within a range of 55-60MPa. The steel fiber used in this study is hook-type fiber with an aspect ratio of 80 which, from past study, found to have a good performance for impact loading. The concrete panels were subjected to blast load using TNT explosive weighing 1lb and 2 lb all at a fix stand-off distance of 0.5 meter. Deflection and acceleration responses were measured from the experiment. Simulation models were developed via finite element analysis program "ABAQUS". The experiment results showed that the SFRC panels possesses better resistance against blast loading than NRC panels.The analysis models were also proven to have good accuracy in predicting panels' responses.
Behavior Of Frp Concrete Beam Columns Under Cyclic Loading
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Author :
language : en
Publisher:
Release Date : 2003
Behavior Of Frp Concrete Beam Columns Under Cyclic Loading written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Use of concrete-filled fiber-reinforced polymers (FRP) tubes (CFFT) for columns and piles has been studied extensively over the last decade. The focus, however, has been exclusively on the monotonic behavior of CFFT. An issue that has received little attention is the implications of using CFFT in seismic regions. Survey of damaged structures in recent earthquakes indicates that catastrophic failure of an entire structure may result from failure of few columns in a chain action. Since it may not be economical to design columns to respond to earthquake loads in their elastic range, dissipation of energy by post-elastic deformation is desired. Although, FRP materials are known for their linear elastic behavior, some FRP systems may exhibit non-linearity due to their laminate architecture and inter-laminar shear. Also, confinement of concrete core in CFFT improves its ductility. This study was carried out to evaluate the cyclic behavior of CFFT beam-columns, and determine whether non-linearity of FRP or confinement of concrete can provide seismic performance comparable to reinforced concrete (RC) columns or concrete-filled steel tubes (CFST). The experimental work consisted of cyclic loading and unloading of FRP-wrapped concrete cylinders and FRP coupons, and reverse cyclic loading of CFFT beam-columns under constant axial load. Some measures of hysteretic performance, including cumulative energy dissipation, ductility and pinching effect were used to evaluate the cyclic response of tested CFFT beam-columns. The study resulted in a cyclic model for FRP-confined concrete in compression, and cyclic models for linear and non-linear FRP materials in tension and compression. A fiber element model was employed to predict the cyclic behavior of CFFT beam-columns. A parametric study was carried out on the cyclic behavior of CFFT beam-columns, and to compare the hysteretic response of CFFT beam-columns with those of RC and CFST members. The two types of CFFT beam-columns tested.
Strain Hardening Cement Based Composites
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Author : Viktor Mechtcherine
language : en
Publisher: Springer
Release Date : 2017-09-04
Strain Hardening Cement Based Composites written by Viktor Mechtcherine and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-04 with Technology & Engineering categories.
This is the proceedings of the 4th International Conference on Strain-Hardening Cement-Based Composites (SHCC4), that was held at the Technische Universität Dresden, Germany from 18 to 20 September 2017. The conference focused on advanced fiber-reinforced concrete materials such as strain-hardening cement-based composites (SHCC), textile-reinforced concrete (TRC) and high-performance fiber-reinforced cement-based composites (HPFRCC). All these new materials exhibit pseudo-ductile behavior resulting from the formation of multiple, fine cracks when subject to tensile loading. The use of such types of fiber-reinforced concrete could revolutionize the planning, development, dimensioning, structural and architectural design, construction of new and strengthening and repair of existing buildings and structures in many areas of application. The SHCC4 Conference was the follow-up of three previous successful international events in Stellenbosch, South Africa in 2009, Rio de Janeiro, Brazil in 2011, and Dordrecht, The Netherlands in 2014.