Railway Construction, Second Series: Illustrated with 91 Plates of Railways Executed, with Scales in French and English. Also Railways in the East and All High Thermometrical Regions. A Practical Treatise on Their Establishment, the Direction of Works, Material and Labour, Earthworks, Works of Art, and Secondary Works, Volume 1Atchley and Company, 1864 - 91 pages |
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Railway Construction, Second Series: Illustrated with 91 Plates of Railways ... William Davis Haskoll No preview available - 2016 |
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adopted Aïdin amount applied length approved arches archines area for tensile arising Ashlar ballast beam boiler bottom flange breaking weight brickwork bridges Britannia Bridge carried centre circumstances climates commenced Company Company's Engineer complete Concession considerable construction Contract Contractor countries creosote crossing cubic foot culverts depth earthworks East economical embankments Engineer may deem Engineer may direct established Europe European excavated expense feet girder Government important inch of original iron labour lands less line of rails line of railway masonry materials means miles mortar necessary obtained original area Ottoman Empire permanent piers plates post-and-rail fencing quantity reasonable regards requisite roads rolling load rubble satisfaction sectional area sleepers slopes Smyrna span square inch station stone strength Sublime Porte sufficient taken tensile strains thousand pounds sterling timber tion tons per square towns traffic undertaking weight per square whole width workmen wrought wrought-iron
Popular passages
Page 157 - The destruction of the road is in all cases greater, as the diameters of the wheels are less, and it is greater in carriages without than with springs.
Page 173 - The appearance may be changed from fibrous to crystalline by merely altering the shape of specimen, so as to render it more liable to snap.
Page 173 - A great variation exists in the strength of iron bars which have been cut and welded ; whilst some bear almost as much as the uncut bar, the strength of others is reduced fully a third.
Page 173 - The specimens were generally found to stretch equally throughout their length until close upon rupture, when they more or less suddenly drew out, usually at one part only, sometimes at two, and, in a few exceptional cases, at three different places.
Page 156 - The resistance to traction is directly proportional to the load, and inversely proportional to the diameter of the wheel. 2nd. Upon a paved or...
Page 173 - skin" or outer part of the iron is somewhat harder than the inner part, as shown by appearance of fracture in rough and turned bars.
Page 174 - ... one of the specimens, and also by the surface of others assuming tints of various shades of blue and orange, not only in steel, but also, although in a less marked degree, in iron, 61.
Page 158 - ... great weight. Though a horse, on a level, is as strong as five men, yet on a steep hill it is less strong than three...
Page 173 - The contraction of area at fracture, previously overlooked, forms an essential element in estimating the quality of specimens. 5. The respective merits of various specimens can be correctly ascertained by comparing the breaking strain jointly with the contraction of area.
Page 175 - Engineer to the Manchester Association for the prevention of Steam Boiler Explosions, from which he retired in 1861 to take the management of the business of Messrs.