On the Construction of Iron Roofs: A Theoretical and Practical Treatise (Classic Reprint) - Hardcover

Francis Campin

9780656161614: On the Construction of Iron Roofs: A Theoretical and Practical Treatise (Classic Reprint)

Hardcover

ISBN 10: 0656161612 ISBN 13: 9780656161614

Publisher: Forgotten Books, 2020

Excerpt from On the Construction of Iron Roofs: A Theoretical and Practical Treatise

Roofs may be divided into two principal classes: roofs proper and domes. In the former class we include those supported by arched structures, lattice girders, and trusses. The second comprises the various forms of domes. The greater number of roofs belong to the first class, and we find that roofs of small span are usually carried by trusses simply, whereas, in the case of larger roofs, the small trusses are sometimes supported by lattice girders. Arches are also used for roofs of considerable span.

With regard to the materials and arrangements employed in the coverings of roofs, it is unnecessary in the present volume to consider them, as these matters of detail have been fully shown in the previous volumes of the present work; hence the ribs, principals, or girders, only require to be treated of.

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