Methodology for the Assessment of Face Loaded Unreinforced Masonry Walls Under Seismic Loading PDF Download
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Author: E. L. Blaikie
Publisher:
ISBN:
Category : Buildings
Languages : en
Pages : 164
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Book Description
Author: E. L. Blaikie
Publisher:
ISBN:
Category : Buildings
Languages : en
Pages : 164
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Book Description
Author: Charlotte Louise Knox
Publisher:
ISBN:
Category : Buildings
Languages : en
Pages : 289
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Book Description
The research presented in this thesis describes the seismic assessment of perforated unreinforced masonry (URM) walls subjected to in-plane loading through accurate analysis of the wall lateral capacity and seismic demand. Current assessment methods for determining the capacity of perforated URM walls loaded in-plane, as outlined in the New Zealand guideline document (NZSEE 2006), are based on the assumption of infinitely rigid spandrel elements. From observations of damage after the 2010/2011 Canterbury earthquake sequence, this assumption has been proven to be invalid for certain perforated wall geometries. The research reported in this thesis was conducted with the primary aim of developing a practitioner focused assessment tool that accurately captured the global and local response of a perforated URM wall, with an emphasis placed on defining the influence of the spandrel geometry on the system level response of perforated URM walls responding in-plane. Pseudo-static cyclic testing of six full-scale pier-spandrel substructures and a two storey half-scale isolated perforated URM wall was conducted to investigate the variables which control spandrel failure mode and the influence of spandrel failure on the lateral capacity of multi-storey URM walls. Testing showed that the behaviour of the spandrel has a significant effect on the failure mode of the piers and hence the strength, stiffness and energy dissipation capacity of the system. A non-linear Equivalent Frame modelling method for perforated URM walls using the structural analysis software SAP2000 was appropriately validated using modelling results and experimental data. Spandrel behaviour was included within the modelling through the use of a moment-axial failure domain and a shear-axial relationship. Finally, a modified linear elastic procedure for assessing the demand on the in_ plane loaded walls of URM buildings with flexible diaphragms was developed and validated through the use of non-linear time history modelling.
Author: Miha Tomazevic
Publisher: World Scientific
ISBN: 1783262524
Category : Technology & Engineering
Languages : en
Pages : 281
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Book Description
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.
Author: Hong Hao
Publisher: CRC Press
ISBN: 0203073088
Category : Technology & Engineering
Languages : en
Pages : 409
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Book Description
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
Author: Xiang-Lin Gu
Publisher: Springer Nature
ISBN: 9819933625
Category : Technology & Engineering
Languages : en
Pages : 962
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Book Description
This book is a compilation of selected papers from the 6th International Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures (SMAR 2022). The work focuses on the state-of-the-practice and recent advances in testing and monitoring technology, in structural modeling and assessment methods, and in the application of advanced materials for structural rehabilitation. The contents make valuable contributions to international professors, research scientists, professional engineers, postdoctoral fellows and postgraduate students.
Author: S Tesfamariam
Publisher: Elsevier
ISBN: 0857098985
Category : Science
Languages : en
Pages : 920
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Book Description
Earthquakes represent a major risk to buildings, bridges and other civil infrastructure systems, causing catastrophic loss to modern society. Handbook of seismic risk analysis and management of civil infrastructure systems reviews the state of the art in the seismic risk analysis and management of civil infrastructure systems. Part one reviews research in the quantification of uncertainties in ground motion and seismic hazard assessment. Part twi discusses methodologies in seismic risk analysis and management, whilst parts three and four cover the application of seismic risk assessment to buildings, bridges, pipelines and other civil infrastructure systems. Part five also discusses methods for quantifying dependency between different infrastructure systems. The final part of the book considers ways of assessing financial and other losses from earthquake damage as well as setting insurance rates. Handbook of seismic risk analysis and management of civil infrastructure systems is an invaluable guide for professionals requiring understanding of the impact of earthquakes on buildings and lifelines, and the seismic risk assessment and management of buildings, bridges and transportation. It also provides a comprehensive overview of seismic risk analysis for researchers and engineers within these fields. This important handbook reviews the wealth of recent research in the area of seismic hazard analysis in modern earthquake design code provisions and practices Examines research into the analysis of ground motion and seismic hazard assessment, seismic risk hazard methodologies Addresses the assessment of seismic risks to buildings, bridges, water supply systems and other aspects of civil infrastructure
Author: Bradley Frederick
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
A Limit Design methodology is presented and evaluated for the design of reinforced masonry walls subjected to in-plane seismic forces. The method was recently incorporated into the Building Code Requirements for Masonry Structures (TMS 402, 2013) as an alternative design option. Using the framework of conventional design methods, Limit Design applies concepts of displacement-based design to the controlling yield mechanism of a given wall configuration subjected to lateral seismic loading.Two design examples illustrate the application of Limit Design. The examples represent typical instances of building structures where the seismic force-resisting system consists of Special Reinforced Masonry Shear Walls as permitted in Minimum Design Loads for Buildings and Other Structures (ASCE/SEI 7, 2010). The selected examples involve configurations in which design decisions are not favorably addressed by the conventional design methods in TMS 402.The structures are analyzed and designed according to the Strength Design provisions of the TMS 402 (2013) code and the new Limit Design alternative. The design outcomes for both methods are compared and analyzed to illustrate the limitations of the Strength Design method and advantages of Limit Design.
Author: Antonio A. Munjiza
Publisher: John Wiley & Sons
ISBN: 0470020172
Category : Technology & Engineering
Languages : en
Pages : 348
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Book Description
The combined finite discrete element method is a relatively new computational tool aimed at problems involving static and / or dynamic behaviour of systems involving a large number of solid deformable bodies. Such problems include fragmentation using explosives (e.g rock blasting), impacts, demolition (collapsing buildings), blast loads, digging and loading processes, and powder technology. The combined finite-discrete element method - a natural extension of both discrete and finite element methods - allows researchers to model problems involving the deformability of either one solid body, a large number of bodies, or a solid body which fragments (e.g. in rock blasting applications a more or less intact rock mass is transformed into a pile of solid rock fragments of different sizes, which interact with each other). The topic is gaining in importance, and is at the forefront of some of the current efforts in computational modeling of the failure of solids. * Accompanying source codes plus input and output files available on the Internet * Important applications such as mining engineering, rock blasting and petroleum engineering * Includes practical examples of applications areas Essential reading for postgraduates, researchers and software engineers working in mechanical engineering.
Author:
Publisher:
ISBN:
Category : Buildings
Languages : en
Pages : 702
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Author:
Publisher:
ISBN:
Category : Earthquake engineering
Languages : en
Pages : 326
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Book Description
