Uncertainty Analysis Of Reinforced Concrete Masonry Walls Under Out Of Plane Loading
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Uncertainty Analysis Of Reinforced Concrete Masonry Walls Under Out Of Plane Loading
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Author : Ziead Metwally
language : en
Publisher:
Release Date : 2022
Uncertainty Analysis Of Reinforced Concrete Masonry Walls Under Out Of Plane Loading written by Ziead Metwally and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with Concrete masonry categories.
Masonry, as a conventional construction material, is widely used due to its durability, strength, hygrothermal performance, and aesthetics. However, the behaviour of masonry structures is not fully comprehended, especially in the face of uncertainty. This lack of understating on the behaviour of masonry structures is usually compensated by imposing overly conservative design provisions. Inherent uncertainties in the material and geometric properties of masonry structures result in large scatter in the experimentally or analytically predicted behaviour. Thus, understanding the influence of these uncertainties on the structural behaviour of masonry structures is of paramount importance to lay down the basis for reliable structural design. This thesis focuses on the uncertainty analysis of the out-of-plane behaviour of reinforced concrete masonry walls using mechanics-based finite element (FE) models and experimental testing data. Specifically, this thesis includes three main phases. In the first phase, the probabilistic behaviour of reinforced concrete masonry walls is investigated, employing mechanics-based macro FE models in conjunction with Monte Carlo simulations (MCS). The effect of the inherited uncertainties in the material and geometric properties on different response quantities (e.g., load capacity and deformation capacity) is also investigated through a variance-based global sensitivity analysis. Additionally, the model uncertainty in FE-predicted load capacity is quantified to characterize the model error, which is found to be influential compared to geometric and material uncertainties, though FE models are commonly used for numerical studies. The second phase focuses on assessing the reliability of reinforced concrete masonry walls loaded out-of-plane with the limit state functions formulated employing the developed macro FE models. In this phase, the importance of model uncertainty on the reliability assessment is revealed. The reliability assessment conducted considering different global and local failure criteria provides insights into their effect on the safety levels of walls. The reliability assessment is found to be sensitive to the adopted failure criteria. In addition, different factors are found to influence the reliability assessment of the walls designed according to the masonry design code; specifically, walls with different slenderness ratios and load eccentricities show inconsistent reliability levels. The model errors associated with the out-of-plane load capacity provided in masonry design codes in North America (i.e., CSA S304-14 and TMS 402-16) are investigated in the third phase. FE based and experimental data are used to quantify the model error associated with design code based models. In addition, the sensitivity of the model error to the variations associated with different design parameters is investigated. It is found that CSA S304-14 is overly conservative for highly slender walls with low load eccentricities, while TMS 402-16 gives more reasonable capacity predictions for such walls. However, TMS 402-16 is found to overestimate the capacities of highly slender walls with relatively high reinforcement ratios and load eccentricities. The code based models are employed in reliability assessment to investigate the influence of the accuracy of the behavioural model on the reliability of the masonry walls. It is found that using the code based models in the reliability assessment without considering their model error results in significantly biased reliability results. This highlights the need and potential room for design code model improvement.
Development Of A Probability Based Load Criterion For American National Standard A58
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Author : Bruce R. Ellingwood
language : en
Publisher:
Release Date : 1980
Development Of A Probability Based Load Criterion For American National Standard A58 written by Bruce R. Ellingwood and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Architecture categories.
Masters Theses In The Pure And Applied Sciences
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Author : Wade H. Shafer
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Masters Theses In The Pure And Applied Sciences written by Wade H. Shafer and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS)* at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dis semination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volumes were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 39 (thesis year 1994) a total of 13,953 thesis titles from 21 Canadian and 159 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this impor tant annual reference work. While Volume 39 reports theses submitted in 1994, on occasion, certain uni versities do report theses submitted in previous years but not reported at the time.
Advances In Protective Structures Research
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Author : Hong Hao
language : en
Publisher: CRC Press
Release Date : 2012-08-17
Advances In Protective Structures Research written by Hong Hao and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-08-17 with Technology & Engineering categories.
The International Association of Protective Structures (IAPS) was launched on 1 October 2010 in Manchester, UK during the first International Conference of Protective Structures. The primary purpose of IAPS is to bring researchers and engineers working in the area of protective structures together, and to promote research and development work for b
Brick And Block Masonry
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Author : Claudio Modena
language : en
Publisher: CRC Press
Release Date : 2016-11-03
Brick And Block Masonry written by Claudio Modena and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-03 with Technology & Engineering categories.
Brick and Block Masonry - Trends, Innovations and Challenges contains the lectures and regular papers presented at the 16th International Brick and Block Masonry Conference (Padova, Italy, 26-30 June 2016). In an ever-changing world, in which innovations are rapidly implemented but soon surpassed, the challenge for masonry, the oldest and most traditional building material, is that it can address the increasingly pressing requirements of quality of living, safety, and sustainability. This abstracts volume and full paper USB device, focusing on challenges, innovations, trends and ideas related to masonry, in both research and building practice, will proof to be a valuable source of information for researchers and practitioners, masonry industries and building management authorities, construction professionals and educators.
Seismic Performance Of Partially Grouted Reinforced Concrete Masonry Buildings Using 1 3 Scale Units Phase 1 Correlation Study Of Masonry Materials And Assemblages
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Author : Emre Alpaslan
language : en
Publisher:
Release Date : 2011
Seismic Performance Of Partially Grouted Reinforced Concrete Masonry Buildings Using 1 3 Scale Units Phase 1 Correlation Study Of Masonry Materials And Assemblages written by Emre Alpaslan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Civil engineering categories.
In order to justify the feasibility of small-scale concrete masonry modeling technique for the construction of the 1/3-scale masonry test building, model masonry materials and assemblages performance related to nominal full-scale concrete masonry tests must be clearly established. This will be accomplished by conducting a suite of material tests (block units, mortar, grout, and reinforcing steel), assemblage tests (axial compression prism, bed-joint shear (cross specimens), diagonal tension, and flexural tension), and component tests (out-of-plane and in-plane walls) using both full-scale and reduced scale units. This experimental study is intended to investigate the feasibility of using of 1/3-scale direct modeling techniques of concrete block masonry materials and assemblages under different loading conditions. The methodology and techniques of fabrication 1/3-scale direct models of concrete block masonry components material and masonry assemblages were evaluated. For concrete masonry components material, the strength of block unit, mortar and grout and the stress-strain and ductility characteristics of reinforcement were examined. The behavior of ungrouted and grouted 1/3-scale assemblages were investigated by conducting axial compression, bed-joint shear, diagonal tension and modulus of rupture tests. Direct correlation between the model and prototype test results was performed. Good correlation of failure modes, strength and deformation characteristics was achieved. The experimental results demonstrated that direct modeling techniques applied to the investigation of behavior characteristics of masonry materials and assemblages is effective in understanding the overall behavior of full-scale concrete block masonry.
Soil Structure Interaction
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Author : A.S. Cakmak
language : en
Publisher: Elsevier
Release Date : 2014-04-11
Soil Structure Interaction written by A.S. Cakmak and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-04-11 with Technology & Engineering categories.
Despite advances in the field of geotechnical earthquake engineering, earthquakes continue to cause loss of life and property in one part of the world or another. The Third International Conference on Soil Dynamics and Earthquake Engineering, Princeton University, Princeton, New Jersey, USA, 22nd to 24th June 1987, provided an opportunity for participants from all over the world to share their expertise to enhance the role of mechanics and other disciplines as they relate to earthquake engineering. The edited proceedings of the conference are published in four volumes. This volume covers: Soil Structure Interaction under Dynamic Loads, Vibration of Machine Foundations, and Base Isolation in Earthquake Engineering. With its companion volumes, it is hoped that it will contribute to the further development of techniques, methods and innovative approaches in soil dynamics and earthquake engineering.
Earthquake Resistant Design Of Masonry Buildings
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Author : Miha Tomazevic
language : en
Publisher: World Scientific
Release Date : 1999-07-05
Earthquake Resistant Design Of Masonry Buildings written by Miha Tomazevic and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-07-05 with Technology & Engineering categories.
In the last few decades, a considerable amount of experimental and analytical research on the seismic behaviour of masonry walls and buildings has been carried out. The investigations resulted in the development of methods for seismic analysis and design, as well as new technologies and construction systems. After many centuries of traditional use and decades of allowable stress design, clear concepts for limit state verification of masonry buildings under earthquake loading have recently been introduced in codes of practice.Although this book is not a review of the state-of-the-art of masonry structures in earthquake zones, an attempt has been made to balance the discussion on recent code requirements, state-of-the-art methods of earthquake-resistant design and the author's research work, in order to render the book useful for a broader application in design practice. An attempt has also been made to present, in a condensed but easy to understand way, all the information needed for earthquake-resistant design of masonry buildings constructed using traditional systems. The basic concepts of limit state verification are presented and equations for seismic resistance verification of masonry walls of all types of construction, (unreinforced, confined and reinforced) as well as masonry-infilled reinforced concrete frames, are addressed. A method for seismic resistance verification, compatible with recent code requirements, is also discussed. In all cases, experimental results are used to explain the proposed methods and equations.An important part of this book is dedicated to the discussion of the problems of repair, retrofit and rehabilitation of existing masonry buildings, including historical structures in urban centres. Methods of strengthening masonry walls as well as improving the structural integrity of existing buildings are described in detail. Wherever possible, experimental evidence regarding the effectiveness of the proposed strengthening methods is given.
Masonry Buildings Research And Practice
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Author : Tanja Kalman Šipoš
language : en
Publisher: MDPI
Release Date : 2019-09-03
Masonry Buildings Research And Practice written by Tanja Kalman Šipoš and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-09-03 with Technology & Engineering categories.
Masonry is a construction material that has been used throughout the years as a structural or non-structural component in buildings. Masonry can be described as a composite material made up of different units and diverse types of arrangements, with or without mortar, that is used in many ancient public buildings, as well as with the latest technologies being applied in construction. Research in multiple relevant fields, as well as crossing structural with non-structural needs, is crucial for understanding the qualities of existent buildings and to develop new products and construction technologies. This book addresses and promotes the discussion related to the different topics addressing the use of masonry in the construction sciences and in practice, including theory and research, numerical approaches and technical applications in new works, and repair actions and interventions in the built environment, connecting theory and application across topics from academia to industry.
Brick And Block Masonry From Historical To Sustainable Masonry
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Author : Jan Kubica
language : en
Publisher: CRC Press
Release Date : 2020-07-06
Brick And Block Masonry From Historical To Sustainable Masonry written by Jan Kubica and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-06 with History categories.
Brick and Block Masonry - From Historical to Sustainable Masonry contains the keynote and semi-keynote lectures and all accepted regular papers presented online during the 17th International Brick and Block Masonry Conference IB2MaC (Kraków, Poland, July 5-8, 2020). Masonry is one of the oldest structures, with more than 6,000 years of history. However, it is still one of the most popular and traditional building materials, showing new and more attractive features and uses. Modern masonry, based on new and modified traditional materials and solutions, offers a higher quality of life, energy savings and more sustainable development. Hence, masonry became a more environmentally friendly building structure. Brick and Block Masonry - From Historical to Sustainable Masonry focuses on historical, current and new ideas related to masonry development, and will provide a very good platform for sharing knowledge and experiences, and for learning about new materials and technologies related to masonry structures. The book will be a valuable compendium of knowledge for researchers, representatives of industry and building management, for curators and conservators of monuments, and for students.