Tacoma Bridge Collapse: The Wobbliest Bridge in the World?
2013年6月18日 · Check out this amazing footage of the collapse of the world's third largest suspension bridge (at the time), Tacoma Narrows Bridge, Washington, in 1940. The only casualty was a dog who had been...
Tacoma Narrows Bridge Collapse "Gallopin' Gertie" - YouTube
2006年12月9日 · When Galloping Gertie splashed into Puget Sound, it created ripple effects across the nation and around the world. The event changed forever how engineers design suspension bridges. Gertie's...
Crowds Can Cause Bridges to Sway Unnervingly, And We May Finally …
2021年12月20日 · You may have experienced an unsettling amount of swaying and wobbling if you've been on a bridge with large numbers of pedestrians traveling over it at the same time. Now, we have a fascinating new explanation for what causes this …
Tacoma Narrows Bridge (1940) - Wikipedia
The 1940 Tacoma Narrows Bridge, the first bridge at this location, was a suspension bridge in the U.S. state of Washington that spanned the Tacoma Narrows strait of Puget Sound between Tacoma and the Kitsap Peninsula. It opened to traffic on July 1, 1940, and dramatically collapsed into Puget Sound on November 7 of the same year. [1]
New Explanation Given For London's Wobbling Millennium Bridge After Two ...
2021年12月13日 · After being retrofitted with viscous dampers to address swaying, the Millennium Bridge became a major London landmark. Peter Reina for ENR. U.S. and British researchers claim to have found a...
How crowds can make bridges wobble and sway | ScienceDaily
2021年12月15日 · Researchers have uncovered a surprising new explanation for why pedestrian bridges can suddenly start to wobble and sway: too many people crossing at once and simply trying not to fall over.
Why the wiggle in a crowd’s walk can put a wobble in a bridge
2017年11月10日 · When a bridge — typically a suspension bridge — is loaded with strolling pedestrians, their gaits can sync, causing the structure to shimmy from side to side. The new study “allows us to better...
A 'magic number' of people walking across a bridge makes it sway
2017年11月10日 · Every bridge has a natural frequency based on its length, width, and the material it is made of, and Belykh has created a model that shows just how many people would need to cross any bridge to...
New study sheds more light on what caused Millennium Bridge to wobble
2018年10月30日 · Engineers fixed the Millennium Bridge's swaying issues by retrofitting the structure with 37 energy dissipating dampers to control the horizontal movement, and another 52 inertial dampers to ...
Why too many walkers cause bridges to wobble and sway
2021年12月16日 · Researchers have uncovered a surprising new explanation for why pedestrian bridges can suddenly start to wobble and sway: too many people crossing at once and simply trying not to fall over.