A System of Iron Railroad Bridges for Japan, Volume 1

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Tki diagaku, 1885 - Bridges, Iron and steel - 258 pages
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Page 78 - The several pieces forming one built member must fit closely together, and when riveted shall be free from twists, bends, or open joints.
Page 78 - All iron work before leaving the shop shall be thoroughly cleaned from all loose scale and rust, and be given one good coating of pure boiled linseed oil, well worked into all joints and open spaces.
Page 78 - Bars which are to be placed side by side in the structure shall be bored at the same temperature, and shall be 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 217 - D = {(1, a), (1, b), (1, c), (2, a), (2, b), (2, c), (3, a), (3, b), (3, c...
Page 79 - All iron for tension members must bend cold, for about 90 degrees to a curve whose diameter is not over twice the thickness of the piece, without cracking. At least one sample in three must bend 1ЙО degrees to this curve without cracking.
Page 79 - ... 1,000 pounds per square inch for each additional square inch of section, down to a minimum of 46,000 pounds per square inch.
Page 78 - The rivet-heads must be round and of a uniform size for the same sized rivets throughout the work. They must be full and neatly made, and be concentric to the rivet-hole, and thoroughly pinch the connected pieces together.
Page 244 - ... end post. Counter Strut — A web member subject to both compression and tension. Horizontal Strut — A compression member lying in a horizontal position. Inclined Strut — A compression member placed in an inclined position. Intermediate Strut — An overhead strut in high bridges attached to the posts of opposite trusses and lying between the upper lateral strut and the floor. In deck bridges, if used at all, it would be between the upper and the lower lateral struts. Laced Strut — A strut...
Page 78 - After the structure is erected, the iron-work shall be thoroughly and evenly painted with two additional coats of paint, mixed with pure linseed oil, of such color as may be directed.
Page 75 - 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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