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alloys application beam cement cent coefficient of elasticity column common theory compression member compressive stress computed concrete contraflexure cover-plate cross-section curve cylinder deflection determined diameter direct stress distance ductility elastic limit engineering equal exterior extreme fibres flange formula girder give greatest bending greatest intensity Hence horizontal inertia intensity of shear intensity of stress interior length longitudinal material maximum member of eq metal modulus of elasticity mortar neutral axis neutral surface normal section plane plates Portland cement pounds per square pressure principal stresses radius radius of gyration ratio reaction reinforcement represent resilience rivets second member shearing stress shown in Fig shows specimens square inch steel strain stresses of tension Table taken tensile stress tension and compression tests theory of flexure thickness timber tion torsion ultimate compressive resistance ultimate resistance ultimate tensile resistance uniform load vertical weight wrought iron zero
Page 698 - Flange Rivets. The flanges of plate girders shall be connected to the web with a sufficient number of rivets to transfer...
Page 703 - ... shear per sq. in. The stiffeners at ends and at points of concentrated loads shall be proportioned by the formula of paragraph 16, the effective length being assumed as one-half the depth of girders. End stiffeners and those under concentrated loads shall be on fillers and have their outstanding legs as wide as the flange angles will allow and shall fit tightly against them. Intermediate stiffeners may...
Page 693 - The gross section of the compression flanges of plate girders shall not be less than the gross section of the tension flanges...
Page 348 - TOBIN'S ALLOY. Broke at 67,600 Ibs. Ultimate Resistance and Elastic Limit. Table V is abstracted from the results of the experiments of Prof. Thurston as given in the " Report of the US Board Appointed to Test Iron, Steel, and other Metals,
Page 651 - The members of the special committees on concrete and reinforced concrete of the American Society of Civil Engineers...
Page 633 - The moduli of elasticity of concrete in computations for the position of the neutral axis, for the resisting moment of beams, and for compression of concrete in columns, are as follows...
Page 703 - There shall be web stiffeners, generally in pairs, over bearings, at points of concentrated loading, and at other points where the thickness of the web is less than -fa of the unsupported distance between flange angles.
Page 364 - University, in a paper read before the American Section of the International Association for Testing Materials, at its convention, 1902, gave the following values for the tensile...
Page 650 - In general, however, cement is a more economical reinforcement than steel. Therefore, for ordinary constructions it does not seem advantageous to use in combination with a rich concrete more than 2 or 3 per cent of longitudinal steel. "4. The amount of data presented on tests of columns subjected to repeated or time loadings is far too small to warrant drawing definite conclusions as to the limiting stress for repeated loadings which will hold true for all kinds of columns and for an infinite...
Page 462 - For the description of the physical tests of stone for ballast, as recommended by the Association, and full instructions as to how the samples should be obtained and shipped to the Government, see Proceedings of the American Railway Engineering and Maintenance of Way Association, Vol.