Design of Fire-resistant Concrete Structures

Design of Fire-resistant Concrete Structures PDF

Author: Kristian Dahl Hertz

Publisher:

Published: 2019

Total Pages:

ISBN-13: 9780727764454

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Design of Fire-resistant Concrete Structures gives a thorough insight into the behaviour of concrete structures when exposed to fire. It mixes theory, including physics and analysed data, with practice, and shows design methods for beams, slabs, columns and walls of fire-exposed cross-sections. It explains the physical processes that concrete materials experience when exposed to high temperatures, therefore allowing engineers to make informed decisions when choosing materials and designing concrete structures.

Fire Design of Concrete Structures - Materials, Structures and Modelling

Fire Design of Concrete Structures - Materials, Structures and Modelling PDF

Author: fib Fédération internationale du béton

Publisher: fib Fédération internationale du béton

Published: 2007-01-01

Total Pages: 105

ISBN-13: 2883940789

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Fire design of concrete structures has emerged in recent years as a high profile subject of great interest to both experts and the public. This has been largely prompted by severe damage to concrete in a number of recent tunnel fires, as well as a considerable amount of research and development that has taken place world-wide. fib Task Group 4.3, "Fire Design of Concrete Structures", therefore took the initiative to develop this bulletin in order to present the results of this international research to a wider group of concrete professionals. The report presents a general brief outline of the effect of fire on both concrete material and concrete structures, with emphasis placed on the important developments of the past few years, namely: (a) the increasing use of high strength concrete (HSC) in buildings, tunnels and bridges; (b) the growing acceptance of the use of performance based fire engineering calculations for the structural analysis and design against fire; (c) the problem of, and solutions to, explosive spalling; and (d) fires in tunnels. This report is not intended to be an exhaustive review of the effect of fire on concrete and concrete structures, nor to present a database of properties at high temperature. Instead, the main aims of this document are to present recent trends and developments, highlight key influencing factors, bring together the disparate but related issues in one short document, highlight the deficiencies in current practice and point to the future. The basic principles of performance based codes and fire engineering are also presented on the assumption that the reader is not a specialist in this field.

Fire Design of Concrete Structures - Structural Behaviour and Assessment

Fire Design of Concrete Structures - Structural Behaviour and Assessment PDF

Author: fib Fédération internationale du béton

Publisher: fib Fédération internationale du béton

Published: 2008-01-01

Total Pages: 216

ISBN-13: 288394086X

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Concrete is well known to behave efficiently in fire conditions, as it is incombustible, does not emit smoke, and provides good thermal insulation. Furthermore, in reinforced concrete structures, the concrete cover gives a natural protection to the reinforcement, and the size of the sections often delays the heating of the core, thus favouring the fire resistance of the structural members. In addition, concrete structures are often robust and therefore able to accommodate local damage without major consequences to the overall structural integrity. However, past experience with real fires shows that a thorough understanding of concrete behaviour and structural mechanics is still needed to improve the design of R/C structures with respect to fire. The objective of fib Bulletin 46 is to augment the current knowledge about concrete and concrete structures under fire, not only for the design of new structures, but also for the analysis and repair of existing fire-damaged structures. Both structural and materials issues are examined, and the results of the most recent research activities on the structural performance of concrete subjected to fire are reported. Special attention is paid to the indirect actions caused by the restrained thermal deformations and several basic examples show how a local fire influences global structural behaviour. fib Bulletin 46 is intended for use by practicing engineers to improve their understanding of the behaviour of concrete structures in fire and thereby produce better and safer design standards.

Structural Design for Fire Safety

Structural Design for Fire Safety PDF

Author: Andrew H. Buchanan

Publisher: John Wiley & Sons

Published: 2017-01-30

Total Pages: 437

ISBN-13: 0470972890

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Structural Design for Fire Safety, 2nd edition Andrew H. Buchanan, University of Canterbury, New Zealand Anthony K. Abu, University of Canterbury, New Zealand A practical and informative guide to structural fire engineering This book presents a comprehensive overview of structural fire engineering. An update on the first edition, the book describes new developments in the past ten years, including advanced calculation methods and computer programs. Further additions include: calculation methods for membrane action in floor slabs exposed to fires; a chapter on composite steel-concrete construction; and case studies of structural collapses. The book begins with an introduction to fire safety in buildings, from fire growth and development to the devastating effects of severe fires on large building structures. Methods of calculating fire severity and fire resistance are then described in detail, together with both simple and advanced methods for assessing and designing for structural fire safety in buildings constructed from structural steel, reinforced concrete, or structural timber. Structural Design for Fire Safety, 2nd edition bridges the information gap between fire safety engineers, structural engineers and building officials, and it will be useful for many others including architects, code writers, building designers, and firefighters. Key features: • Updated references to current research, as well as new end-of-chapter questions and worked examples. •Authors experienced in teaching, researching, and applying structural fire engineering in real buildings. • A focus on basic principles rather than specific building code requirements, for an international audience. An essential guide for structural engineers who wish to improve their understanding of buildings exposed to severe fires and an ideal textbook for introductory or advanced courses in structural fire engineering.

PCI Design for Fire Resistance of Precast Prestressed Concrete

PCI Design for Fire Resistance of Precast Prestressed Concrete PDF

Author: A. H. Gustaferro

Publisher: Precast/Prestressed Concrete Institute

Published: 1977

Total Pages: 94

ISBN-13:

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"The purpose of this manual is to provide an analytical method of evaluating the fire endurance of structures made of precast and prestressed concrete. The manual brings together information from many sources, and presents the data in a convenient form. Example problems illustrate the use of the design aids and principles outlined in the text. In recent years, building officials, architects, and engineers have become increasingly aware of the unreliability of results of fire tests. Through the use of the engineering principles outlined in this manual, a greater degree of reliability in predicting fire endurance of structures or assemblies can be achieved. It is the hope of the PCI Fire Committee that building codes will adopt provisions permitting engineering analyses as the basis for establishing the fire endurance of a structure. Building codes should encourage the use of such engineering analyses by permitting a reduction in the fire rating requirements when such analyses are performed. The Committee feels that this manual represents a landmark contribution to designers, building officials, and insurance underwriters who are concerned with fire safety of buildings. Not only does this manual present a rational design approach for the safety of precast prestressed concrete structures, but also it places precast and prestressed concrete in the forefront of a long overdue frontier -- that of structural design for fire resistance."--Page iii.

Structural Fire Performance of Contemporary Post-tensioned Concrete Construction

Structural Fire Performance of Contemporary Post-tensioned Concrete Construction PDF

Author: John Gales

Publisher: Springer

Published: 2015-10-19

Total Pages: 99

ISBN-13: 1493932802

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This SpringerBrief equips readers to develop defensible fire safety designs for a range of concrete structures. It identifies current gaps in the research and provides a more complete understanding of the structural and thermal response of contemporary Post-tensioned (PT) concrete structures to fire. The brief includes chapters on contemporary construction using PT concrete, previous structural fire test research programs, recent research programs, real fire case studies, and current research needs. It explores the progression of PT concrete structures, looking at the sustainability and aesthetic benefits, the ongoing development of stronger concretes, and best practice guidance for improving safety in the event of fire. Designed for practitioners and researchers in fire engineering, this brief is a valuable tool for those studying the impact of fire on concrete, fire safety designs, and building safety optimization. Advanced-level students in civil engineering will also find the content useful.

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