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abutments anchor bolts base plate bed plates bottom flanges bottom plates bracing cantilever cars center line clearance cross-section curved dead load deep designed diagonal double-track edges elevation engage Erie Railroad expansion ends eyebars f-in field-riveted fillers fixed ends flange angles flange cover plates floor floorbeams four girder flanges girder webs gusset plates I-beams J-in joints kneebraces lateral lattice girders length live load longitudinal girders lower flanges main girders masonry maximum pairs of vertical panels piers pin bearings planed plate girder bridge plate girder spans plates riveted rail Railroad reinforced River rollers rows of rivets seated shear shoes and pedestals shop-riveted side plates single-track skew slotted holes sole plates stiffener angles stresses stringers structure struts supported sway-brace thick top and bottom top chord top flanges tower track transverse girders trestle troughs truss upper vertical angles vertical web-stiffener angles viaduct web plates web-connected weight x f-in X-braced
Page 389 - The splice-plates and rivets for the splices shall be such as to develop in every respect the full strength of the net section of the web, the main splice-plates extending from flange to flange and having at least two (2) rows of rivets on each side of the joint. In addition to these, each flange shall be spliced by two cover-plates on top of the vertical legs of the flange angles.
Page 390 - 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.
Page 409 - The compressed flange shall have the same sectional area as the tension flange; but the unsupported length of flange shall not exceed 16 times its width.
Page 390 - ... shall not extend more than four (4) inches or eight (8) times the thickness of the outer plate beyond the outer line of rivets. With coverplates more than fourteen (14) inches wide, four (4) lines of rivets shall be used. The compression-flanges of plate girders shall be made of...
Page 390 - ... outstanding leg. 5. Bracing. All deck girders shall have transverse braces at the ends. 6. Floor Beams shall be rigidly attached to the girders. 7. Field Splices in web plates and flange angles must always be avoided when the length and weight of one girder does not make the hauling prohibitive. Where field splices are unavoidable they must be so located that no two pieces of either the flange or the web shall be spliced within two (2) feet of each other and so that no field-splice shall occur...
Page 410 - ... 64. Length of Cover-plates. Plate Girders. — In all plate girders having cover-plates at least one plate on each flange shall extend from end to end of the same, and, in general, cover-plates shall be made of such lengths as to allow of at least two rows of rivets of the regular pitch being placed at each end of the plate, in addition to those theoretically required. 65.
Page 22 - Show all elevations, sections and views in their proper position — looking toward the member. Place the top view directly above and bottom view below the elevation.
Page 391 - In proportioning the flanges of plate girders, one-eighth (^ of the gross area of the web is to be assumed as concentrated at the centre of gravity of each flange; or, in other words, after having found the net sectional area required for the...
Page 391 - 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.