Over human history, the tallest man-made structures have included mounds, pyramids, churches, towers, a monument, skyscrapers, and radio and TV masts. Tallest existing freestanding structure heights.Tallest ever freestanding structure heights.Burj Khalifa (2009, ~30 year discontinuity in both freestanding structure trends, 90 year discontinuity in building height trend).Taipei 101 (2004, 13 year discontinuity in building height only).KVLY-TV mast (1963, 20 year discontinuity in tallest ever structure trend).Empire State Building (1931, 19 years in all structure trends, 10 years in buildings trend).Two early skyscrapers: the Singer Building and the Metropolitan Life Tower (19, each >300 year discontinuities in building height only).Eiffel Tower (1889, ~10,000 year discontinuity in both tallest ever structure trends, 54 year discontinuity in existing structure trend).Washington Monument (1884, >100 year discontinuity in both tallest ever structure trends, but not a notable discontinuity in existing structure trend).Three cathedrals that were shorter than the all-time record ( Beauvais Cathedral in 1569, St Nikolai in 1874, and Rouen Cathedral in 1876, all >100 year discontinuities in current freestanding structure trend).Djoser and Meidum pyramids (~2600BC, >1000 year discontinuities in all structure trends). Trends for tallest ever structure heights, tallest ever freestanding structure heights, tallest existing freestanding structure heights, and tallest ever building heights have each seen 5-8 discontinuities of more than ten years.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |