The transverse I-beams are. however, 12 inches deep, and are dropped down even with the outer cover plate of the bottom flange. The New ... Abolition of the Grade Crossings on the Main Line of the Boston and Albany Railroad in Newton, Mass., III. Bridges over ... A double-track through bridge with span of 24 feet, has transverse 15aquot; I-beams, 43 Jaquot; apart, supporting buckle plates on the bottom flanges.
Title | : | A Text-book on Roofs and Bridges: Bridge design. 5th ed., 1920 |
Author | : | Mansfield Merriman, Henry Sylvester Jacoby |
Publisher | : | - 1907 |
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