The Hitchcock Lectures of the University of California, 1918 PDF Download
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Author: George Fillmore Swain
Publisher:
ISBN:
Category :
Languages : en
Pages : 64
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Author: George Fillmore Swain
Publisher:
ISBN:
Category :
Languages : en
Pages : 64
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Book Description
Author: George Fillmore Swain
Publisher: Sagwan Press
ISBN: 9781340178673
Category :
Languages : en
Pages : 62
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: George Fillmore Swain
Publisher:
ISBN: 9781330574201
Category : History
Languages : en
Pages : 64
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Excerpt from The Hitchcock Lectures of the University of California, 1918 While some of the employees appear to have felt uneasy with regard to this buckling, it was apparently considered by those in charge to be insignificant and not a cause for anxiety. On August 28th a conference of the chief engineers and others in authority was held, and it was decided to place the situation before the consulting engineer in New York. A messenger went to New York for this purpose, and the consulting engineer, after conference, telegraphed Phoenixville, where the bridge was being fabricated, and sent his representative there for consultation with the officers of the bridge company. By the time he arrived at Phoenixville the bridge had collapsed. Eighty-five men went down with the bridge, and of these only eleven were saved. No such mass of steel work had ever collapsed in the history of bridge building. Some 17,000 tons of steel formed one tangled mass of debris, extending from the anchor pier over the central pier down into the main current of the river. A study of engineering failures is more enlightening than a study of engineering successes. The lecture discussed the causes of the disaster, and drew the lessons which it taught. The material and workmanship of the bridge was considered to have been excellent. The disaster was not attributed to any flaw in material or defect in manufacture. It was due to the failure of the compression member and the buckling which had been noticed. This compression member had been designed without taking due account of the actual weight of the structure, the stresses in it were allowed to be too high, and the design was extremely faulty. The lattice bars connecting the parts of the member were much smaller in strength, in proportion to the size of the piece, than those used in ordinary design. These lattice bars had hitherto been designed in a purely empirical manner, although it is possible to apply to them some principles of mechanics. The lecturer, after the failure of the bridge and after obtaining details of the structure, had computed the strength of these columns and had found that failure should have taken place almost precisely when it did. Facts and figures were given with reference to the details and the causes of the failure, which it is not necessary to discuss further in this abstract. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.
Author: University of California, Berkeley
Publisher:
ISBN:
Category : International relations
Languages : en
Pages : 642
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The Omega space station is the center of lawlessness in the galaxy, a den of vice ruled by the deadly asari Aria T'Loak. It is also a strategic foothold in a galaxy-wide power struggle, and when the station comes under attack from a new threat unleashed by the humanity-first organization Cerberus, Aria is forced to become more ruthless than ever to protect her home--and dominion.
Author:
Publisher: Univ of California Press
ISBN:
Category :
Languages : en
Pages : 622
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Author: University of California Press
Publisher:
ISBN:
Category :
Languages : en
Pages : 1358
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Author:
Publisher:
ISBN:
Category : United States
Languages : en
Pages : 616
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Author: University of California, Berkeley
Publisher:
ISBN:
Category :
Languages : en
Pages : 636
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Author: University of California, Berkeley
Publisher:
ISBN:
Category :
Languages : en
Pages : 678
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Author: University of California, Los Angeles. Library
Publisher:
ISBN:
Category : Library catalogs
Languages : en
Pages : 1034
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