A Comprehensive Treatise on Cast and Wrought Iron Bridge Construction, Including Iron Foundations: Text

abutment angle angle-irons arch beam bed-plates bending moment bolts bottom flange bracing brickwork bridge carried cast cast-iron Central India Railway chains composed compression consists construction contractor cross girders curve cylinders deflection depth diagonal Diagram dimensions distance ditto drilled ends engineer equal erected feet 6 inches fixed foot formulæ foundations holes horizontal inch diameter inch thick inches by inch inches wide iron joints lattice girders length Lerida line of pressures load longitudinal main girders mandril masonry metal moment of inertia mould neutral axis nuts parabola piers piles pins placed planed planking plates platform Portland cement pounds rails Railway resistance ribs river rivetted sand screw sectional area shearing strain shown in Fig side span spandrils square inch strength structure struts superstructure surface swing bridge T-iron tension timber top and bottom top flange transverse vertical Viaduct weight whole width wrought-iron