De Pontibus: A Pocket-book for Bridge Engineers (Google eBook)

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J. Wiley & sons, 1898 - Bridges - 403 pages
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Page 246 - Material which is to be used without annealing or further treatment shall be tested in the condition in which it comes from the rolls. When material is to be annealed, or otherwise treated before use, the specimens for tensile tests representing such material shall be cut from properly annealed or similarly treated short lengths of the full section of the bar. 10. At least one tensile and one bending test shall be made from each melt of steel as rolled. In case steel differing jú-in. and more in...
Page 405 - Instruments and their adjustments, Strength of Materials, Masonry, Principles of Wooden and Iron Roof and Bridge Trusses, Stone Bridges and Culverts, Trestles, Pillars, Suspension Bridges, Dams, Railroads, Turnouts, Turning Platforms, Water Stations, Cost of Earthwork, Foundations, Retaining Walls, etc., etc., etc.
Page 261 - The contractor shall commence his work at such points as the engineer may direct, and shall conform to his directions as to the order of time in which the different...
Page 14 - The most perfect system of rules to insure success must be interpreted upon the broad grounds of professional intelligence and common sense.
Page 84 - You will also read there that we are fully aware of the fact that there is still a great deal to be learned about the treatment of schizophrenics.
Page 168 - The flanges of plate girders shall be connected to the web with a sufficient number of rivets to transfer the total shear at any point in a distance equal to the effective depth of the girder at that point combined with any load that is applied directly on the flange. The wheel loads where the ties rest on the flanges shall be assumed to be distributed over three ties.
Page 404 - THE RAILROAD SPIRAL. The Theory of the Compound Transition Curve reduced to Practical Formula and Rules for Application in Field Work, with Complete Tables of Deflections and Ordinates for five hundred Spirals. By Wm. H. Searles, CE, author of "Field Engineering,
Page 257 - ... of such equal length that, upon being piled on each other, the pins shall pass through the holes at both ends at the same time without driving.
Page 260 - All pins and small parts must be securely boxed and the boxes plainly marked, The weights of large pieces must be marked on them. The invoices shall state...
Page 166 - The flange plates of all girders must be limited in width so as not to extend beyond the outer lines of rivets connecting them with the angles, more than five inches or more than eight times the thickness of the first plate. Where two or more plates are used on the flanges, they shall either be of equal thickness or shall decrease in thickness outward from the angles.

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