Development of a Probability Based Load Criterion for American National

Bruce Ellingwood, Theodore V. Galambos

ISBN 10: 036441362X / ISBN 13: 9780364413623

Editore: Forgotten Books, 2018

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Print on Demand. This book tackles the critical issue of structural safety in buildings and other structures, a topic of crucial importance to architects, engineers, and the general public alike. The author delves into the history of how safety factors have been determined in building design, moving from traditional "allowable stress" methods to more sophisticated "probability-based" approaches that take into account the variability of materials and loads. The book explores the complex interplay between different types of loads - dead weight, live occupancy, wind, snow, and earthquake - and how their combinations and potential interactions affect structural reliability. The author proposes a series of load factors for building codes that are intended to achieve more consistent and reliable safety across various materials, such as steel, concrete, and timber. By examining the statistical data and reliability analyses associated with existing structures, the book presents a compelling argument for a standardized approach to building safety, ultimately aiming to improve the overall safety and performance of buildings for future generations. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book.

Codice articolo 9780364413623_0

Dati bibliografici

• Titolo: Development of a Probability Based Load Criterion for American National
• Editore: Forgotten Books
• Data di pubblicazione: 2018
• Lingua: Inglese
• ISBN 10: 036441362X
• ISBN 13: 9780364413623
• Rilegatura: Paperback
• Condizione: New
• Tipo di libro: print-on-demand item
• Cataloghi dei venditori:
  • General Engineering

Descrizione articolo

Riassunto

Excerpt from Development of a Probability Based Load Criterion for American National Standard A58: Building Code Requirements for Minimum Design Loads in Buildings and Other Structures

The proposed design process thus defines the appropriate limit states, and hence it is often named Limit States Design. Limit states design, in itself, is nothing fundamentally new but is a procedure which, in effect, requires the designer to consider explicitly several different modes of possible structural behavior during design. The particular method above also identifies resistance factors and load factors, and so it is called Load and Resistance Factor Design; it is one (of several) limit states design criteria formats.

Broadly speaking, there are two types of limit states: (1) ultimate limit states under which the structure or component is judged to have failed in its capacity to carry load; and (2) serviceability limit states under which the function of the building is impaired. The recommendations in this report are confined to the ultimate limit states as these are of particular concern in standards and specifications which are intended to protect the public from physical harm.

The recommended load and resistance factor design format which incorporates limit states, resistance factors, load factors and load combinations is a formalization of trends evident in many structural specifications in the United States. It provides a means whereby it is possible to achieve more uniform performance and reliability in structural design than is possible with just one factor of safety. This has long been recognized in reinforced concrete design. Current research in metal structures has also produced tentative rules which apply to steel, cold-formed steel, and aluminum structures. The' thesis of this report is that it is also desirable to provide common load combinations-and load factors which can be used in connection with all material specifications. This point will be elaborated upon subsequently.

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This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.