ARCH 2300 Lecture 7: L7_Technical Transformations Structural Engineering 1755-1939 Modern Architecture A Critical History_Frampton_A
6 Oct 2015
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With the invention of cast iron column came the solution to better fir proofing systems for mil buildings: with the replacement of timber beams with t section iron beams, beams carried shallow brick vaults, stiffened by the outer shell and wrought iron tie rods restraining the structure in a lateral direction, derived from the development of the roussillion or the catalonian vault in. Robert stephenson designed the britainnia bridge, 1846, comprised two independent, single track, iron plated box tunnels, which bridged the straights in two spans of 70 meters: the stone towers had bed intended for the anchorage of the suspension members, but the plated tubes" alone provided enough support, comparable spans are the saltash viaduct over the tamar river on 2 bow string trusses each 138. 5 meters, both used rolled riveted plates to form the hollow elliptical chords, across their respective axis.
