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Segment | Start* | End** | Length* |
Introduction | "Just north of Edinburgh stands Scotland's Firth of Forth bridge..." | "...Tonight we begin with bridges." | 2:42 |
Roman Bridges: stone vs. wood; arches | (2:42) Golden Gate Bridge | "...for centuries bridge builders looked for practical alternatives." | 5:44 |
Iron Bridges: cast iron; Dee Bridge failure. | (8:26) Stone bridges | "...wrought iron and steel could withstand tension forces very well." | 5:59 |
Trusses: wrought iron; wind loads; open trusses; cantilevers | (14:25) Red train truss | "...engineers had developed a more practical solution for long spans ... and just in time." | 5:21 |
Brooklyn Bridge: suspension bridges; Roebling family; caissons | (19:46) Old New York | "...the confidence to undertake the most difficult bridge project ever attempted." | 14:28 |
Golden Gate: problem solving; cables; worker safety | (34:14) Sailboat | "...an old nemesis that caught the world's best engineers completely by surprise." | 11:50 |
Environmental Loads: wind load; Tacoma Narrows failure; earthquake loads | (46:04) Ribbon cutting | "...to connect the people of the world for the contibnued advancement of all civilization." | 6:52 |