Design Methods for Reducing the Risk of Progressive Collapse in Buildings PDF Download
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Author: Edgar V. Leyendecker
Publisher:
ISBN:
Category : Anormal - Calcul - Charge - Conception - Construction - Defaut - Deformation - Design - Plan - Structure
Languages : en
Pages : 61
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Book Description
Author: Edgar V. Leyendecker
Publisher:
ISBN:
Category : Anormal - Calcul - Charge - Conception - Construction - Defaut - Deformation - Design - Plan - Structure
Languages : en
Pages : 61
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Book Description
Author: Edgar V. Leyendecker
Publisher:
ISBN:
Category : Building failures
Languages : en
Pages : 78
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Book Description
Author: nist
Publisher: Createspace Independent Publishing Platform
ISBN: 9781493756391
Category : Architecture
Languages : en
Pages : 218
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Book Description
This document is intended to provide owners and practicing engineers with current best practices to reduce the likelihood of progressive collapse of buildings in the event of abnormal loading. The report includes a discussion of an acceptable risk approach to progressive collapse, which involves defining the threat, event control, and structural design to resist postulated event. Practical means for reducing risk for new and existing buildings are presented. An extensive review is provided of the design methods used to enhance a buildings resistance to progressive collapse. These include the indirect method (providing sufficient tie forces), the specific local resistance method (designing key elements to withstand abnormal loads), and the alternate load path method (allowing for redistribution of load in the event of the loss of a key member). Design considerations for different structural materials are summarized. The methodology for evaluating and mitigating progressive collapse potential in existing buildings is also discussed. Three appendices provide supporting information. Appendix A presents a worldwide review of progressive collapse provisions in various national design standards. Appendix B identifies knowledge gaps related to progressive collapse that require research. Appendix C provides case studies of progressive collapses. This document is not intended to provide step-by-step design guidance for practicing engineers; however, applicable design standards are referenced and summarized in Appendix A.
Author: Edgar V. Leyendecker
Publisher:
ISBN:
Category : Building failures
Languages : en
Pages : 78
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Book Description
Author: Ketan Bajaj
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659384318
Category :
Languages : en
Pages : 152
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Book Description
PREVENTION OF BUILDING AGAINST PROGRESSIVE COLLAPSE: According to the modern scenario, most of the structures follow progressive collapse phenomenon. Even though buildings are designed to resist for all probable loads without any failure of structural member, they fail occasionally due to insufficient and poor design and construction techniques, especially for extreme and abnormal loads. This book deals with the analysis and design of G+3, G+ 5, G+ 7 and G+12 (with 10 different cases) storey buildings in SAP-2000 by performing Non-linear Dynamic Alternative Path Method. The variation of base shear and spectral acceleration and displacement of buildings along with deformations of the beams and axial deformation of columns over the height of the structure had evaluated & analysed and its effects on the load redistribution has also discussed, identified and characterized with the removal of column at various positions. The book will has immense benefit in structural designing of buildings against progressive collapse failure.
Author:
Publisher:
ISBN:
Category : Building
Languages : en
Pages : 78
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Book Description
Author:
Publisher:
ISBN: 9781680155303
Category : Structural stability
Languages : en
Pages : 71
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Book Description
Author:
Publisher:
ISBN:
Category : Weights and measures
Languages : en
Pages : 620
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Book Description
Author: Taras Gamaniouk
Publisher:
ISBN:
Category :
Languages : en
Pages : 57
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Book Description
Progressive collapse has become a topic of interest in recent years leading to a greater focus on the resilience of structures. The propagation of a local failure can become catastrophic and lead to multiple deaths, injuries and destruction of property. These types of events have been predominant in mid to high-rise buildings under both accidental and intentional circumstances. The dire consequences associated with these types of buildings have fueled research efforts into preventative measures for progressive collapse. Three main design methods have been implemented for the design of progressive collapse: tie forces, enhanced local resistance and alternate load path. Each method features its own advantages and disadvantages; however, the alternate load path is currently the preferred procedure as it is accurate and capable of dealing with complex systems. This method is investigated in detail with a specific focus on nonlinear dynamic analysis. The technique is applied for three different structural systems which are commonly used for high-rise buildings: moment frames, braced frames and truss tube systems. A variety of 2D structural models are analysed for their performance under progressive collapse conditions with variable building parameters. The results of the investigation infer that taller buildings are inherently better at preventing progressive collapse as the load is diminished throughout the building allowing less plastic hinges to form. This result was common in all three structural models with the braced frames exhibiting a better structural response to local failure in comparison to moment frame buildings. The study identifies the advantage of implementing hybrid structural frames for the prevention of collapse in high-rise buildings. Integration of moment frames for the lower stories of buildings is shown to be an effective mitigation method for progressive collapse.
Author: Bo Yang
Publisher: Woodhead Publishing
ISBN: 0128222689
Category : Technology & Engineering
Languages : en
Pages : 390
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Book Description
Behaviour of Building Structures Subjected to Progressive Collapse gives in-depth and up-to-date quantitative and numerical analysis of building structures against progressive collapse. It does so at various levels, including bare steel joints, composite joints and sub-assemblages and frames under quasi-static loading conditions. The book provides analysis of the force transfer mechanisms of composite structures and reinforced concrete structures, along with detailed numerical models that shed light on the effects of critical parameters on progressive collapse resistances. It includes direct design methods that take into account various collapse-resisting mechanisms. The collapse of the World Trade Center in New York has spurred extensive experimental study and numerical analysis of the structural behavior of buildings under progressive collapse scenarios. Although design guidelines have been published by governments, most are missing up-to-date numerical and experimental results, quantitative accounts of force transfer mechanisms, and numerical guidelines. Offers in-depth analysis and numerical modeling for building structures against progressive collapse Provides analysis of the force-transfer mechanisms of composite and reinforced concrete structures Gives detailed numerical models that shed light on the effects of critical parameters on progressive resistances Includes direct design methods that take into account various collapse resisting mechanisms Offers a comprehensive reference for progressive collapse analysis and the design of building structures
