American Railroad Bridges
American Railroad Bridges
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In our eReader you can find the full English version of the book. Read American Railroad Bridges 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 American Railroad Bridges
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They were largely empirical structures, generally of uniform section throughout their length. Practical experience had led to imj)rovements in methods of counterbracing against partial loads, and in providing for better detail, to obviate the crushing of the timber or slipping of the braces and to take up the looseness arising from the shrinkage of the timber.
In the early days of our railroads so able an engineer as Mr. Ku-kwood writes: " The heavy locomotives used in the freight traffic of ra...ilroads, and the great speed of express passenger trains, render massive strength in all railroad bridge structures essential. The many bridges which have been strengthened since they were built and the many which have had to be removed and replaced by stronger structures, sufficiently attest the mistaken economy of erecting light and cheap frame bridges. The blind confidence which the best of carjienters are apt to have in the raw material of their trade and in the rude geometry of its usual combina- tions, has rendered them unsafe guides to engineers, in the planning of bridge trusses involving irregular and shifting strains, with which their general practice cannot make them familiar.
What to read after American Railroad Bridges?
You can find similar books in the "Read Also" column, or choose other free books by Theodore Cooper to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
They were largely empirical structures, generally of uniform section throughout their length. Practical experience had led to imj)rovements in methods of counterbracing against partial loads, and in providing for better detail, to obviate the crushing of the timber or slipping of the braces and to take up the looseness arising from the shrinkage of the timber.
In the early days of our railroads so able an engineer as Mr. Ku-kwood writes: " The heavy locomotives used in the freight traffic of ra...ilroads, and the great speed of express passenger trains, render massive strength in all railroad bridge structures essential. The many bridges which have been strengthened since they were built and the many which have had to be removed and replaced by stronger structures, sufficiently attest the mistaken economy of erecting light and cheap frame bridges. The blind confidence which the best of carjienters are apt to have in the raw material of their trade and in the rude geometry of its usual combina- tions, has rendered them unsafe guides to engineers, in the planning of bridge trusses involving irregular and shifting strains, with which their general practice cannot make them familiar.
What to read after American Railroad Bridges?
You can find similar books in the "Read Also" column, or choose other free books by Theodore Cooper to read onlineMoreLess
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