Effect Of High Performance Concrete And Steel Materials On The Blast Performance Of Reinforced Concrete One Way Slabs
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Effect Of High Performance Concrete And Steel Materials On The Blast Performance Of Reinforced Concrete One Way Slabs
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Author : Christian Melançon
language : en
Publisher:
Release Date : 2016
Effect Of High Performance Concrete And Steel Materials On The Blast Performance Of Reinforced Concrete One Way Slabs written by Christian Melançon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Effect Of High Performance Steel Materials On The Blast Behaviour Of Ultra High Performance Concrete Columns
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Author : Sarah De Carufel
language : en
Publisher:
Release Date : 2016
Effect Of High Performance Steel Materials On The Blast Behaviour Of Ultra High Performance Concrete Columns written by Sarah De Carufel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Previous events have demonstrated the vulnerability of reinforced concrete infrastructure to blast loading. In buildings, ground-story columns are key structural components, and their failure can lead to extensive damages which can cause progressive collapse. To prevent such disasters, the steel reinforcement in such columns must be properly detailed to ensure sufficient strength and ductility. The use of modern concrete materials such ultra-high performance concrete (UHPC) is one potential solution to improve the blast performance of columns. UHPC shows high compressive strength, high tensile resistance and superior toughness, properties which make it ideal for use in the blast-resistant design of columns. The combined use of UHPC and high-performance steels can potentially be used to further enhance the blast resistance of columns. This thesis presents an experimental and analytical study which investigated the use of high-performance materials to increase the blast capacity and ductility of reinforced concrete columns. As part of the experimental study, a total of seventeen columns were tested under simulated blast loading using the University of Ottawa Shock-Tube. Parameters investigated included the effect of concrete type (NSC and UHPC), steel reinforcement type (normal-strength, high-strength or highly ductile), longitudinal reinforcement ratio, seismic detailing and fiber properties. The test program included two control specimens built with normal-strength concrete, five specimens built with UHPC in combination with high-strength steel, and ten columns built with highly ductile stainless steel reinforcement. Each column was subjected to a series of increasing blast pressures until failure. The performance of the columns is investigated by comparing the displacements, impulse capacity and secondary fragmentation resistance of the columns. The results show that using high-performance steels increases the blast performance of UHPC columns. The use of sufficient amounts of high-strength steel in combination with UHPC led to important increases in column blast capacity. The use of ductile stainless steel reinforcement allowed for important enhancements in column ductility, with an ability to prevent rupture of tension steel reinforcement. The study also shows that increasing the longitudinal reinforcement ratio is an effective means of increasing the blast resistance of UHPC columns The thesis also presents an extensive analytical study which aimed at predicting the response of the test columns using dynamic inelastic, single-degree-of-freedom (SDOF) analysis. A sensitivity analysis was also performed to examine the effect of various modelling parameters on the analytical predictions. Overall, it was shown that SDOF analysis could be used to predict the blast response of UHPC columns with reasonable accuracy. To further corroborate the results from the experimental study, the thesis also presents an analytical parametric study examining the blast performance of larger-scale columns. The results further demonstrate the benefits of using UHPC and high-performance steel reinforcement in columns subjected to blast loading.
Sustainable Fiber Reinforced Cementitious Composites For Construction And Building Materials
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Author : Li Li
language : en
Publisher: Frontiers Media SA
Release Date : 2023-07-26
Sustainable Fiber Reinforced Cementitious Composites For Construction And Building Materials written by Li Li and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-26 with Technology & Engineering categories.
High Performance Concretes
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Author : Paul Zia
language : en
Publisher:
Release Date : 1991
High Performance Concretes written by Paul Zia and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Fiber-reinforced concrete categories.
This state-of-the-art report summarizes the results of an extensive search and review of available literature on the mechanical properties of concrete, with particular reference to high performance concrete for highway applications. Included in the review and discussion are the behavior of plastic concrete as well as the strength and deformation characteristics of hardened concrete. Both short-term and long-term effects are considered. Based on the review of the available information, research needs are identified. It is concluded that much research is needed to develop data on the strength and durability properties of concrete which develops high strength, particularly very early strength.
Performance Of High Strength Reinforced Concrete Columns Under Shock Tube Induced Blast Loading
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Author : Amer Hammoud
language : en
Publisher:
Release Date : 2017
Performance Of High Strength Reinforced Concrete Columns Under Shock Tube Induced Blast Loading written by Amer Hammoud and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Accounting for blast hazards has become one of the major concerns for civil engineers when analysing and designing structures. Recent terrorist attacks and accidental explosions have demonstrated the importance of mitigating blast effects on buildings to ensure safety, preserve life and ensure structural integrity. Innovative materials such as high-strength concrete, steel fibers, and high-strength steel offer a potential solution to increase resistance against extreme dynamic loading and improve the blast resilience of buildings. This thesis presents the results of an experimental and analytical study examining the effect of high-strength concrete, high-strength reinforcement and steel fibers on the blast behaviour of reinforced concrete columns. As part of the study, a total of seventeen reinforced concrete columns with different design combinations of concrete, steel fibers, and steel reinforcement were designed, constructed, and tested under gradually increasing blast loads using the University of Ottawa shock-tube facility. Criteria used to assess the blast performance of the columns and the effect of the test variables included overall blast capacity, mid-span displacements, cracking patterns, secondary fragmentation, and failure modes. The effect of concrete strength was found to only have a moderate effect on the blast performance of the columns. However, the results showed that benefits are associated with the combined use of high-strength concrete with steel fibers and high-strength reinforcement in columns tested under blast loads. In addition to the experimental program, a dynamic inelastic single-degree-of-freedom analysis was performed to predict the displacement response of the test columns. A sensitivity analysis was also conducted to examine the effect of various modelling parameters such as materials models, DIFs, and accumulated damage on the analytical predictions.
Engaging The Public To Fight The Consequences Of Terrorism And Disasters
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Author : I. Apostol
language : en
Publisher: IOS Press
Release Date : 2015-05-07
Engaging The Public To Fight The Consequences Of Terrorism And Disasters written by I. Apostol and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-05-07 with Political Science categories.
Governments must work tirelessly to update their preparedness for dealing with natural and man-made disasters, as well as taking account of the increasingly present threat of terrorism. Efficient international cooperation is key to achieving safety and internationalizing security policy. This book presents the proceedings of the NATO Advanced Research Workshop (ARW) Engaging the Public to Fight the Consequences of Terrorism and Disasters, held in Tbilisi, Georgia, in June 2014. The purpose of the workshop was to analyze accumulated European theoretical knowledge and practical experience in the field of disaster prevention and the involvement of the public in preventing and fighting the consequences of terrorism, as well as natural and man-made disasters. There was a particular focus on the perspective of the region, especially with a view to meeting European Union standards and setting uniform and independent standards for hazard and risk assessment methods. The protection of economically critical infrastructure, such as dams, pipelines and transport and storage facilities, was addressed as were the issues of managing water and non-renewable resources, the disposal of dangerous chemicals and radioactive waste, and defensible methods of transport for fuel supplies and key personnel. Contributions reflected the extensive experience of the participating NATO and partner countries, including Armenia, Austria, Bulgaria, Georgia, Germany, Italy, Moldova, the Netherlands, Romania, Turkey and Ukraine as well as international organizations such as UNECE and NATO.
Recent Advances In Civil Engineering
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Author : Lakshman Nandagiri
language : en
Publisher: Springer Nature
Release Date : 2022-06-26
Recent Advances In Civil Engineering written by Lakshman Nandagiri and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-26 with Technology & Engineering categories.
This book presents the select proceedings of the International Conference on Civil Engineering Trends and Challenges for Sustainability (CTCS 2021). It discusses emerging and latest research and advances in sustainability in different areas of civil engineering, providing solutions to sustainable development. Various topics covered include sustainable construction technology & building materials; structural engineering, transportation and traffic engineering, geotechnical engineering, environmental engineering, water resources engineering, remote sensing and GIS applications. This book will be of potential interest to researchers and professionals working in sustainable civil engineering and related fields.
Sustainable Building Materials And Construction
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Author : B. Kondraivendhan
language : en
Publisher: Springer Nature
Release Date : 2022-05-13
Sustainable Building Materials And Construction written by B. Kondraivendhan and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-05-13 with Technology & Engineering categories.
This book presents the select proceedings of the International Conference on Sustainable Building Materials and Construction (ICSBMC 2021), and examines a range of durable, energy-efficient, advance construction and building materials produced from industrial wastes and byproducts. The topics covered include advanced construction materials, durability of concrete structures, waste utilization, repair & rehabilitation of concrete structures, structural analysis & design, composites, nanomaterials and smart materials in seismic engineering. The book also discusses various properties and performance attributes of modern-age concretes including their strength, durability, workability, and carbon footprint. This book will be a precious reference for beginners, researchers, and professionals interested in sustainable construction and allied fields.
High Performance And Optimum Design Of Structures And Materials V
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Author : S. Hernandez
language : en
Publisher: WIT Press
Release Date : 2022-09-13
High Performance And Optimum Design Of Structures And Materials V written by S. Hernandez and has been published by WIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-09-13 with Technology & Engineering categories.
The use of novel materials and new structural concepts nowadays is not restricted to highly technical areas like aerospace, aeronautical applications or the automotive industry, but affects all engineering fields including those such as civil engineering and architecture. The included contributions highlight the latest developments in design and manufacturing. Most high-performance structures require the development of a generation of new materials, which can more easily resist a range of external stimuli or react in a non-conventional manner. Particular emphasis is placed on intelligent structures and materials as well as the application of computational methods for their modelling, control and management. The book also addresses the topic of design optimisation. Contributions cover numerical methods, different optimisation techniques and new software. Optimisation problems include those related to the size, shape and topology of structures and materials. Optimisation techniques have much to offer to those involved in the design of new industrial products, as the appearance of powerful commercial computer codes has created a fertile field for the incorporation of optimisation in the design process of all engineering disciplines. The performance of structures under shock and impact loads is another area covered. The increasing need to protect civilian infrastructure and industrial facilities against unintentional loads arising from accidental impact and explosion events as well as terrorist attacks is reflected in the sustained interest worldwide. While advances have been made in recent decades, many challenges remain, such as developing more effective and efficient blast and impact mitigation approaches or assessing the uncertainties associated with large and small scale testing and validation of numerical and analytical models. The overall aim is to move towards a better understanding of the critical issues relating to the testing behaviour, modelling and analyses of protective structures against blast and impact loading. The studies contained in this volume were presented at the International Conference on High Performance and Optimum Structures and Materials Encompassing Shock and Impact Loading and address issues involving advanced types of structures, particularly those based on new concepts, and shock and impact resistance.
Futures In Mechanics Of Structures And Materials
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Author : Thiru Aravinthan
language : en
Publisher: CRC Press
Release Date : 2008-11-20
Futures In Mechanics Of Structures And Materials written by Thiru Aravinthan and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-11-20 with Technology & Engineering categories.
Futures in Mechanics of Structures and Materials is a collection of peer-reviewed papers presented at the 20th Australasian Conference on the Mechanics of Structures and Materials (ACMSM20, University of Southern Queensland, Toowoomba, Queensland, Australia, 2 - 5 December 2008) by academics, researchers and practicing engineers mainly from Austral