Web13 Mar 2024 · Locals quickly nicknamed the structure "Galloping Gertie," and it stuck. On 7 November 1940, the state police and highway department closed the bridge to traffic at about 10 a.m., after reports of undulations 3 to 5 feet (1 to 1.5 meters) high had been reported, with winds exceeding 35 mph (56.3 kph). Web13 Jan 2003 · On November 7, 1940, at about 11 a.m., the Tacoma Narrows Bridge collapses in a high wind. The bridge spanned the Tacoma Narrows, a deep, narrow section of Puget Sound that separates Tacoma from Gig Harbor and the Key Peninsula. The bridge collapses four months and seven days after it is dedicated.
STRUCTURE magazine Revisiting the Galloping Gertie
http://thebridgeguy.org/2024/11/remembering-galloping-gertie/ WebFor the first time, this type of design was called "Galloping Gertie" as the bridge exhibited heavy oscillations during construction. Vertical waves of up to 1.2-1.4 m double amplitude at up to 30 cycles per min were recorded. The lowest wind velocities (15-19 km/h) were able to generate 0.75 m double amplitude motion. law and order season 16-20 to buy on dvd
Documentary gives rare look at Galloping Gertie 80 years after its ...
WebWhen Richard Eugene Harrison was born on 7 April 1924, in Washington, United States, his father, Edward Harrison, was 42 and his mother, Eva M. Copner, was 24. WebGalloping Gertie, Part 2 The design evolution for the Tacoma Narrows Bridge (aka Galloping Gertie) was presented in the February 2024 issue of STRUCTURE. Soon after opening, the Tacoma Narrows Bridge exhibited significant vertical … Web6 Mar 2024 · The Tacoma Narrows Bridge, nicknamed "Galloping Gertie," fell into Puget Sound during a windstorm in 1940. The bridge's collapse was a lesson in poor design and engineering. The cause of the ... kabli shocks chahsultan