Seismic Vulnerability Assessment Of Existing Reinforced Concrete Buildings
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Seismic Vulnerability Assessment Of Existing Reinforced Concrete Buildings
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Author : Aydın Öztemel
language : en
Publisher:
Release Date : 2003
Seismic Vulnerability Assessment Of Existing Reinforced Concrete Buildings written by Aydın Öztemel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Buildings categories.
Seismic Vulnerability Assessment Of Existing Reinforced Concrete Frame Structures
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Author : Eyitayo Opabola
language : en
Publisher:
Release Date : 2020
Seismic Vulnerability Assessment Of Existing Reinforced Concrete Frame Structures written by Eyitayo Opabola and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
The 2010-11 Canterbury and 2016 Kaikoura seismic events led to the identification of several vulnerabilities in existing older-type and modern reinforced concrete (RC) frame structures. By mid-2017, the New Zealand parliament approved the Building Amendment Act 2016 which set new requirements for managing earthquake-prone structures. However, owing to a lack of sufficient knowledge on the seismic response of reinforced concrete (RC) frame structures on the global and component level, codified seismic assessment provisions in New Zealand and overseas are inherently conservative or not suited for structures with specific vulnerabilities; leading to unwarranted retrofits or building closures. Aside from the over-exaggerated risks to community seismic resilience, the high costs of these unwarranted retrofits pose a significant financial burden on New Zealand's economy. To address this, the main objective of this research is to develop refined seismic assessment provisions that can be adopted for the identification and intervention prioritisation of the most earthquake-vulnerable structures. A survey of the NZ assessment guidelines and overseas standards highlighted specific provisions that need to be improved. These include provisions for: (a) evaluating the yield rotation of beam-column RC components; (b) accounting for the influence of biaxial seismic demands on RC columns; (c) assessment of beam-column RC components susceptible to single-crack plastic hinge response; and (d) accounting for uncertainty in component failure mode in seismic assessment of frame structures. This thesis has been developed to address each of the aforementioned issues. Using a collated experimental database of columns, beams and coupling beams with normal- and high-strength longitudinal steel, simple mechanistic formulations were developed for estimating the yield rotation and effective stiffness of beam-column components. The proposed formulations explicitly account for the contribution of bar slip and shear deformations, as a function of aspect ratio, using a proposed coefficient. To address the absence of specific provisions for accounting for the influence of biaxial seismic demands on RC columns, a dataset of past tests on columns subjected to biaxial lateral demands was collated. Analysis of the dataset was used to identify the characteristics and effects of biaxial lateral displacement paths on the seismic response of RC columns. Using the available ii dataset, recommendations were provided on how the influence of biaxial lateral load on lateral strength, deformation capacity, and stiffness degradation can be accounted for. A failure mode-based approach was proposed to improve provisions for seismic assessment of components susceptible to single-crack plastic hinge response. Firstly, a database of past tests on columns with smooth reinforcement was collated. This database was then used to validate a proposed mechanistic formulation for estimating the rocking capacity of columns with smooth reinforcement. Furthermore, an experimental program was carried out on six full-scale beams which are replicas of beams observed to have exhibited a single-crack plastic hinge response following the 2016 Kaikoura earthquake. This experimental program provides data on seismic performance, repairability, and residual capacity of beams with curtailed bar detailing. Using these test data, formulations were proposed for seismic assessment of beams with curtailed bar detailing. The final part of this thesis focuses on a probabilistic failure mode-based approach. Experimental and analytical studies were carried out to demonstrate the existence and influence of component failure mode variability on the collapse response of RC components and frame systems. This source of uncertainty was previously neither recognised nor incorporated into probabilistic seismic assessment frameworks. It was shown that nominally identical components may exhibit different failure modes due to inherent material uncertainty, strain rate and displacement history effects. To account for this, a failure mode transition zone was defined to identify components susceptible to failure mode variability. Furthermore, a probabilistic framework was proposed to account for the influence of failure mode variability in component collapse fragility estimate. The study was concluded by developing a framework for incorporating uncertainty in the global collapse mechanism into the performance-based earthquake engineering (PBEE) framework.
Seismic Vulnerability Assessment Of Civil Engineering Structures At Multiple Scales
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Author : Tiago Miguel Ferreira
language : en
Publisher: Woodhead Publishing
Release Date : 2021-12-02
Seismic Vulnerability Assessment Of Civil Engineering Structures At Multiple Scales written by Tiago Miguel Ferreira and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-02 with Technology & Engineering categories.
Seismic Vulnerability Assessment of Civil Engineering Structures at Multiple Scales: From Single Buildings to Large-Scale Assessment provides an integrated, multiscale platform for fundamental and applied studies on the seismic vulnerability assessment of civil engineering structures, including buildings with different materials and building typologies. The book shows how various outputs obtained from different scales and layers of assessment (from building scale to the urban area) can be used to outline and implement effective risk mitigation, response and recovery strategies. In addition, it highlights how significant advances in earthquake engineering research have been achieved with the rise of new technologies and techniques. The wide variety of construction and structural systems associated with the complex behavior of their materials significantly limits the application of current codes and building standards to the existing building stock, hence this book is a welcomed guide on new construction standards and practices. - Provides the theoretical backgrounds on the most advanced seismic vulnerability assessment approaches at different scales and for most common building typologies - Covers the most common building typologies and the materials they are made from, such as concrete, masonry, steel, timber and raw earth - Presents practical guidelines on how the outputs coming from such approaches can be used to outline effective risk mitigation and emergency planning strategies
Proceedings Fib Symposium In Athens Greece
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Author : FIB – International Federation for Structural Concrete
language : en
Publisher: FIB - Féd. Int. du Béton
Release Date : 2003-05-01
Proceedings Fib Symposium In Athens Greece written by FIB – International Federation for Structural Concrete and has been published by FIB - Féd. Int. du Béton this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-05-01 with Technology & Engineering categories.
Seismic Vulnerability Of Existing Buildings
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Author : Kerstin Lang
language : en
Publisher: vdf Hochschulverlag AG
Release Date : 2002
Seismic Vulnerability Of Existing Buildings written by Kerstin Lang and has been published by vdf Hochschulverlag AG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Technology & Engineering categories.
Reducing The Seismic Vulnerability Of Existing Buildings Assessment And Retrofit
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Author : Tiago Miguel Ferreira
language : en
Publisher: MDPI
Release Date : 2019-07-31
Reducing The Seismic Vulnerability Of Existing Buildings Assessment And Retrofit written by Tiago Miguel Ferreira and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-31 with Technology & Engineering categories.
This book is a printed edition of the Special Issue Reducing the Seismic Vulnerability of Existing Buildings: Assessment and Retrofit that was published in Buildings
Proceedings Of The 10th International Conference On Behaviour Of Steel Structures In Seismic Areas
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Author : Federico M. Mazzolani
language : en
Publisher: Springer Nature
Release Date : 2022-05-07
Proceedings Of The 10th International Conference On Behaviour Of Steel Structures In Seismic Areas written by Federico M. Mazzolani and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-05-07 with Technology & Engineering categories.
This volume highlights the latest advances, innovations, and applications in the field of seismic design and performance of steel structures, as presented by leading international researchers and engineers at the 10th International Conference on the Behaviour of Steel Structures in Seismic Areas (STESSA), held in Timisoara, Romania, on 25-27 May 2022. It covers a diverse range of topics such as behaviour of structural members and connections, performance of structural systems, mixed and composite structures, energy dissipation systems, self-centring and low-damage systems, assessment and retrofitting, codes and standards, light-gauge systems. The contributions, which were selected by means of a rigorous international peer-review process, present a wealth of exciting ideas that will open novel research directions and foster multidisciplinary collaboration among different specialists.
Seismic Assessment And Rehabilitation Of Existing Buildings
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Author : S. Tanvir Wasti
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Seismic Assessment And Rehabilitation Of Existing Buildings written by S. Tanvir Wasti 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 Technology & Engineering categories.
The present volume contains a total of 23 papers centred on the research area of Seismic Assessment and Rehabilitation of Existing Buildings. This subject also forms the core of Project SfP977231, sponsored by the NATO Science for Peace Office and supported by the Scientific and Technical Research Council of Turkey [ TUBIT AK ]. Most of these papers were presented by the authors at a NATO Science for Peace Workshop held in Izmir on 13 - 14 May, 2003 and reflect a part of their latest work conducted within the general confines of the title of the NATO Project. Middle East Technical University, Ankara, Turkey serves as the hub of Project SfP977231 and coordinates research under the project with universities within Turkey, e. g. Istanbul Technical University and Kocaeli University, and with partner institutions in Greece and the Former Yugoslav Republic of Macedonia: A few articles have also been contributed by invited experts, who are all noted researchers in the field. Altogether, the contents of the volume deal with a vast array of problems in Seismic Assessment and Rehabilitation and cover a wide range of possible solutions, techniques and proposals. It is intended to touch upon many of these aspects separately below. Earthquakes constitute possibly the most widely spread and also the most feared of natural hazards. Recent earthquakes within the first six months of 2003, such as the Bingol Earthquake in Turkey and the Algerian earthquake, have caused both loss of life and severe damage to property.
Seismic Vulnerability Assessment And Retrofitting Strategies For Masonry Infilled Frame Building
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Author : Andre Filipe Furtado
language : en
Publisher: Springer Nature
Release Date : 2023-05-04
Seismic Vulnerability Assessment And Retrofitting Strategies For Masonry Infilled Frame Building written by Andre Filipe Furtado and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-05-04 with Technology & Engineering categories.
This book reports on a comprehensive experimental characterization of the material, mechanical and dynamic properties of masonry infill walls. It analyses the critical parameters affecting their out-of-plane seismic behavior, including the effects of the panel support conditions, gravity load, and previous damage. Further, it offers an extensive review of infill masonry strengthening strategies and reports on the experimental assessment of various textile-reinforced mortar (TRM) strengthening solutions. It also presents the development, implementation and calibration of a numerical model to simulate the infill panels’ seismic behavior, with the corresponding findings of various tests to assess the seismic vulnerability of an infilled RC structure. All in all, this outstanding PhD thesis offers a comprehensive review of masonry infill walls, and a timely overview of numerical and experimental methods for testing and preventing the out-of-plane seismic collapse of RC buildings.
Seismic Evaluation And Rehabilitation Of Structures
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Author : Alper Ilki
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-08-15
Seismic Evaluation And Rehabilitation Of Structures written by Alper Ilki 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 2013-08-15 with Science categories.
In the past, facilities considered to be at the end of their useful life were demolished and replaced with new ones that better met the functional requirements of modern society, including new safety standards. Humankind has recently recognised the threats to the environment and to our limited natural resources due to our relentless determination to destroy the old and build anew. With the awareness of these constraints and the emphasis on sustainability, in future the majority of old structures will be retrofitted to extend their service life as long as feasible. In keeping with this new approach, the EU’s Construction Products Regulation 305/2011, which is the basis of the Eurocodes, included the sustainable use of resources as an "Essential Requirement" for construction. So, the forthcoming second generation of EN-Eurocodes will cover not only the design of new structures, but the rehabilitation of existing ones as well. Most of the existing building stock and civil infrastructures are seismically deficient. When the time comes for a decision to prolong their service life with the help of structural and architectural upgrading, seismic retrofitting may be needed. Further, it is often decided to enhance the earthquake resistance of facilities that still meet their functional requirements and fulfil their purpose, if they are not earthquake-safe. In order to decide how badly a structure needs seismic upgrading or to prioritise it in a population of structures, a seismic evaluation is needed, which also serves as a guide for the extent and type of strengthening. Seismic codes do not sufficiently cover the delicate phase of seismic evaluation nor the many potential technical options for seismic upgrading; therefore research is on-going and the state-of-the-art is constantly evolving. All the more so as seismic evaluation and rehabilitation demand considerable expertise, to make best use of the available safety margins in the existing structure, to adapt the engineering capabilities and techniques at hand to the particularities of a project, to minimise disruption of use, etc. Further, as old structures are very diverse in terms of their materials and layout, seismic retrofitting does not lend itself to straightforward codified procedures or cook-book approaches. As such, seismic evaluation and rehabilitation need the best that the current state-of-the-art can offer on all aspects of earthquake engineering. This volume serves this need, as it gathers the most recent research of top seismic experts from around the world on seismic evaluation, retrofitting and closely related subjects.