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The disaster to the Tay Bridge caused by the force of the wind, suggests a reconsideration of the rule by which that force on such structures is usually calculated. In all the calculations I have been able to find, it is assumed that the pressure on a flat surface, at right angles to the wind, is equal to a column of air of the same base as that surface, and of the height that would give a falling body the actual velocity of the wind. If the particles of air were annihilated instantly after impact, or if they were solids, and instantly dropped or rebounded out of the way. this rule would require but little qualification.
The disaster to the Tay Bridge caused by the force of the wind, suggests a reconsideration of the rule by which that force on such structures is usually calculated. In all the calculations I have been able to find, it is assumed that the pressure on a flat surface, at right angles to the wind, is equal to a column of air of the same base as that surface, and of the height that would give a falling body the actual velocity of the wind. If the particles of air were annihilated instantly after impact, or if they were solids, and instantly dropped or rebounded out of the way. this rule would require but little qualification.
Wind Pressure Against Bridges
Welch, Ashbel (author)
Transactions of the American Society of Civil Engineers ; 9 ; 391-392
2021-01-01
21880-01-01 pages
Article (Journal)
Electronic Resource
Unknown
Discussion of “Wind Pressure Against Bridges”
ASCE | 2021
|ASCE | 2021
|Engineering Index Backfile | 1881
|Design of bridges against wind
Engineering Index Backfile | 1946
|Design of bridges against wind
Engineering Index Backfile | 1946
|