“The steeling of the undergraduate mind” or, New Tools, New Temptations. Pieter Sijpkes School of Architecture McGill University SSEF annual joint engineers/architects meeting Quebec City March 1 2014 Thomas Cole ‘The architect’s dream’ 1840 The Engineer’s dream,Thomas Hart Benton, 1931 Architecture with neither architects nor engineers Cram's Unrivaled Family Atlas of the World, Chicago IL. Lithograph color print. Iron was very scarce in all these buildings Cologne cathedral’s wrought iron roof 1850 Crystal Palace Cast Iron prefabricated frame 1851 The Eiffel tower among the ‘Old world’ buildings, and one of the competing designs for a 300 M tower to be executed in granite! Google wisdom: Cast iron development I Thomas Telford, single-span Thames bridge 1799 Stone vs cast iron http://www.bbc.co.uk/history/british/victorians/launch_vt_iron_bridge.shtml Reform Act Tower 1832 proposal Cast Iron Centennial Tower London 1874 Original design of the Eiffel Tower file:///C:/Philo-2014/towerlecture/The%20Project%20Gutenberg%20eBook%20of%20Elevator%20Syst ems%20of%20the%20Eiffel%20Tower,%201889,%20by%20Robert%20M.%2 0Vogel.htm http://www.google.com/culturalinstitute/collection/toureiffel?projectId=historic-moments Chicago Competition 1890 London Competition entries 1890 Watkin’s tower in London, abandoned. Haeckel vs. Tower designs Eiffel-Shukhov comparison Shukhov’s tower would have been higher than Eiffel’s and weigh only half as much. Only the lower radio communication tower was built. The Singer Tower High-rise: The steel frame Statue of Liberty 1886: main structure, outriggers, skin Bilbao: main structure, outriggers, skin Guggenheim Museum Bilbao resulted in a unit steel price for the 3,900 tons of structural steel comparable to a standard steel framed building project and was a factor in the project opening on-time and within budget. Advances in the use of computers for steel detailing and fabrication now allow for the realization of extremely complex projects which perhaps ten years ago would have been deemed impossible. It can now be said that the versatility of steel has been extended to new applications in geometrically free-form architecture. Hal Iyengar is a Retired Partner, Redundancy is a good thing The Empire State building on fire Redundancy is a good thing Corruption is a bad thing The leaning tower of Cartagena Architect’s perspective view: no columns! Up up and away.. Firmitas, commoditas, venustas Vitruvius 1st century BC Culemborgh, Netherlands 1868 157 m. span Eads Bridge St Louis Mi. 1874 Chrome steel 158 m. span Halle au Ble Paris..200 years of construction history in wood and wrought iron The central marketpavilion restored thanks to Digicel