Damage Prognosis: For Aerospace, Civil and Mechanical Systems
Publisher: Wiley | Pages: 470 | 2005-05-13 | ISBN 0470869070 | PDF | 7 MB
Damage prognosis is a natural extension of damage detection and structural health monitoring and is forming a growing part of many businesses. This comprehensive volume presents a series of fundamental topics that define the new area of damage prognosis. Bringing together essential information in each of the basic technologies necessary to perform damage prognosis, it also reflects the highly interdisciplinary nature of the industry through the extensive referencing of each of the component disciplines.Â
Taken from lectures given at the Pan American Advanced Studies Institute in Damage Prognosis sponsored by the US National Science Foundation in cooperation with Los Alamos National Laboratories, this book will be essential reading for anyone looking to get to grips with the fundamentals of damage prognosis.Â
* Presents the 'ground rules' for Damage Prognosis.
* Deals with interdisciplinary topics: rotating machines, aerospace structures, automotive components and civil structures.
* Covers essential technical material: equations, graphs and plots, tables and photographs.
* Offers additional material from the associated workshop on an active web site.
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Structural Health Monitoring with Piezoelectric Wafer Active Sensors
Victor Giurgiutiu, "Structural Health Monitoring: with Piezoelectric Wafer Active Sensors"
Academic Press | 2007-11-16 | ISBN: 0120887606 | 760 pages | PDF | 13 MB
Structural Health Monitoring (SHM) is the interdisciplinary engineering field devoted to the monitoring and assessment of structural health and durability. SHM technology integrates remote sensing, smart materials, and computer based knowledge systems to allow engineers see how built up structures are performing over time. It is particularly useful for remotely monitoring large infrastructure systems, such as bridges and dams, and high profile mechanical systems such as aircraft, spacecraft, ships, offshore structures and pipelines where performance is critical but onsite monitoring is difficult or even impossible. Structural Health Monitoring with Piezoelectric Wafer Active Sensors is the first comprehensive textbook to provide background information, theoretical modeling, and experimental examples on the principal technologies involved in SHM.
This textbook can be used for both teaching and research. It not only provides students, engineers and other interested technical specialists with the foundational knowledge and necessary tools for understanding modern sensing materials and systems, but also shows them how to employ this knowledge in actual engineering situations.
. Addresses the problem of aging structures and explains how SHM can alleviate their situation and prolong their useful life.
. Provides a step by step presentation on how Piezoelectric Wafer Active Sensors (PWAS) are used to detect and quantify the presence of damage in structures.
. Presents the underlying theories (piezoelectricity, vibration, wave propagation, etc.) and experimental techniques (E/M impedance, PWAS phased arrays, etc.) to be employed in successful SHM applications.
. Provides an understanding of how to interpret sensor signal patterns such as various wave forms, including analytical techniques like Fast Fourier Transform, Short-time Fourier Transform and Wavelet Transform.
. Offers comprehensive teaching tools (worked examples, experiments, homework problems, and exercises) and an extensive online instructor manual containing lecture plans and homework solutions.
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Conference Proceedings of the 13th World Conference on Earthquake Engineering, held in Vancouver in 2004.
The CD image was done with UltraISO software, and then splitted with HJSplit.
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First Edition, First Printing (September 2005)
G.L.Kulak
The purpose of this Primer is to provide the structural engineer with the information necessary to select suitable high-strength bolts, specify the methods of their installation and inspection, and to design connections that use this type of fastener. Bolts can be either common bolts (sometimes called ordinary or machine bolts) or high-strength bolts. Although both types are described, emphasis is placed on high-strength bolts. Because many riveted structures are still in use and often their adequacy must be verified, a short description of rivets is also provided.
These elements are not complicated, but it is the structural engineer who is responsible in one way or another for all these facets. The material presented brings all these features together and, after discussing the basics, links them to the requirements of CAN/CSA–S16–01 (buildings and related structures) or CAN/CSA–S6–00 (bridges).
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First Edition (April 2006)
R.G. Gewain, N.R. Iwankiw, F. Alfawakhiri, G.S. Frater
Steel-framed structures in high-rise office buildings have historically survived fire exposures extremely well. Two examples of severe fires are the 1988 First Interstate Bank fire in Los Angeles and the 1991 One Meridian Plaza fire in Philadelphia; the details of these and other significant building fires are given in Section 7.2. In fact, there has been no recorded structural failure of a protected high-rise steel frame building solely due to fire.
FEMA 403 (FEMA, 2002) documents the performance of the World Trade Center (WTC) towers and surrounding structures in the malicious terrorist attacks of September 11, 2001, and forms the basis for the continuing work of the National Institute of Standards and Technology (NIST). It is important to distinguish “normal” building fires from this extraordinary WTC experience, which involved the combination of severe structural damage, destruction of fire protection, suppression and egress systems, and simultaneous severe fires on several floors. The September 11 tragedy and the breadth of commonly asked questions about building fires, fire safety, and fire resistance have provided the main impetus to this compilation of available information.
It is intended to serve as an objective general reference and introductory primer, in a convenient question and answer format, for the benefit of engineers, architects, building code officials, owners, developers, construction managers, general contractors and the general public and others with interest in the subject. More detailed information, data, analysis or design criteria are available in the cited references. This compilation is organized as follows:
* Section 1. General Fire Science
* Section 2. Fire Resistance of Steel Systems
* Section 3. Canadian Building Code Criteria and
Use of Prescriptive Fire Resistance Ratings
* Section 4. The ULC-S101 Standard Fire Test
* Section 5. Application of ULC-S101 Fire Ratings
* Section 6. Strength and Reparability of Steel After a Fire
* Section 7. Past Building Fire Incidents and Casualties
* Section 8. Special Steel Fire Resistance Issues
and Future Needs
* References
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The CISC publication entitled Design and Construction of Composite Floor Systems by E.Y.L. Chien and J.K. Ritchie (1984) is no longer in print. It is made available as a free download in PDF format for reference purposes.
Design examples in this book are based on the CSA-S16.1-M84 Standard. Please refer to the current version of CSA-S16 for up-to-date design requirements.
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