Iron As a Material of Construction: Being the Substance of a Course of Lectures Delivered At the Royal School of Naval Architecture, South Kensington
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In our eReader you can find the full English version of the book. Read Iron As a Material of Construction: Being the Substance of a Course of Lectures Delivered At the Royal School of Naval Architecture, South Kensington Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Iron As a Material of Construction: Being the Substance of a Course of Lectures Delivered At the Royal School of Naval Architecture, South Kensington
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The general mean was about 25 or 26 tons.
162. I must, however, revert for a moment to the question, which of these estimates of tenacity is the best guide for the engineer in using the metal ? Should he take the tenacity on the original, or on the fractured area ?
Suppose, for example, he had to choose between two irons, one which scarcely stretched at all, and broke with 20 tons to the inch ; the other, which reduced one-half, and then broke with 30 tons to the inch of reduced area, being ^/i...ee» tons only on the original size.
Ought the second iron to be called weaker, or stronger than the first ?
As a metal, it would be certainly stronger ; but, in a prac- tical sense, the weight that a bar of a certain size would bear would be less than the other. Thus, therefore, we should get the anomalous result, that the more tenacious and more ductile iron (and probably much the better iron in every point of view) was really the u-eaJcer when applied in a bar of a certain size, the weakness being due, however, in this case, not to want of tenacity, but to the reduction of area consequent on the ductility.
What to read after Iron As a Material of Construction: Being the Substance of a Course of Lectures Delivered At the Royal School of Naval Architecture, South Kensington?
You can find similar books in the "Read Also" column, or choose other free books by Pole, William, 1814-1900 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The general mean was about 25 or 26 tons.
162. I must, however, revert for a moment to the question, which of these estimates of tenacity is the best guide for the engineer in using the metal ? Should he take the tenacity on the original, or on the fractured area ?
Suppose, for example, he had to choose between two irons, one which scarcely stretched at all, and broke with 20 tons to the inch ; the other, which reduced one-half, and then broke with 30 tons to the inch of reduced area, being ^/i...ee» tons only on the original size.
Ought the second iron to be called weaker, or stronger than the first ?
As a metal, it would be certainly stronger ; but, in a prac- tical sense, the weight that a bar of a certain size would bear would be less than the other. Thus, therefore, we should get the anomalous result, that the more tenacious and more ductile iron (and probably much the better iron in every point of view) was really the u-eaJcer when applied in a bar of a certain size, the weakness being due, however, in this case, not to want of tenacity, but to the reduction of area consequent on the ductility.
What to read after Iron As a Material of Construction: Being the Substance of a Course of Lectures Delivered At the Royal School of Naval Architecture, South Kensington?
You can find similar books in the "Read Also" column, or choose other free books by Pole, William, 1814-1900 to read onlineMoreLess
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