Iron Bridges, Roofs, Buildings, &c. Manufactured by the Moseley Iron Building Works PDF Download
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Author: Moseley Iron Building Works
Publisher:
ISBN:
Category : Iron and steel bridges
Languages : en
Pages : 28
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Book Description
Author: Moseley Iron Building Works
Publisher:
ISBN:
Category : Iron and steel bridges
Languages : en
Pages : 28
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Book Description
Author:
Publisher:
ISBN:
Category : Iron and steel bridges
Languages : en
Pages : 37
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Author: Anonymous
Publisher: Wentworth Press
ISBN: 9781372499357
Category : History
Languages : en
Pages : 28
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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:
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ISBN: 9781332145461
Category : Technology & Engineering
Languages : en
Pages : 30
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Excerpt from Iron Bridges, Roofs, Buildings, &C: Manufactured by the Moseley Iron Building Works, No; 53 Washington Street, Boston The supporting parts of the Bridge are two Arches, one on each side of the roadway. These Arches are hollow, and are triangular or three-sided; made of wrought plate or boiler iron, by riveting three plates together at their edges. [See Fig. IV. on the diagram, which shows the hollow Arch, with Suspension Bar passing through it.] In no other form can iron be arranged to bear a greater burden than in this. By actual tests, every inch of iron in the cross section of the Arches will bear 15,000 lbs.; but in practice, we provide for a weight of not less than four times the required burden, calculated, moreover, at a pressure of 7,000 lbs. per square inch of section. From foot to foot of each Arch goes the Chord [See Figs. I., II. and V.] This is double, and binds securely the feet of the Arch to each other, so that there is no thrust or outward pressure of the Arches to require heavy abutments. The only pressure upon the masonry is vertical. In Highway Bridges, the cross-section of the Chords has one-third the number of inches in that of the Arches; and in Railroad Bridges, one-half the number of inches in cross-section. The tensile strength of an inch of iron averages 60,000 lbs.: but, as will be seen, our calculations are based upon a tensile strain of 21,000 lbs. per square inch (in Railroad Bridges 14,000 lbs.), for four times the actual burthen. The Chords are held level, or in line, by Suspension Bars. [See Figs. I. and IV.] These pass through the Arches; thence downward between the Counter-Arches (to which they are riveted), and support the Chord. They are placed at intervals of about 23 inches, giving 54 Bars in a fifty-feet Bridge. 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:
Publisher:
ISBN:
Category : Hardware
Languages : en
Pages : 2100
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Author: Moseley Iron Bridge and Roof Company
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 1
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Author: Francis Campin
Publisher:
ISBN:
Category :
Languages : en
Pages : 248
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Author:
Publisher:
ISBN:
Category : Hardware
Languages : en
Pages : 2416
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Author:
Publisher:
ISBN:
Category : Architecture
Languages : en
Pages : 380
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Author:
Publisher:
ISBN:
Category : Hardware
Languages : en
Pages : 1482
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