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Probable Wind Pressure Involved in the Wreck of the High Bridge Over the Mississippi River, on Smith Avenue, St. Paul, Minn., August 20th, 1904
In view of the fact that the wreck of a well-braced iron or steel structure by wind is exceedingly rare, if, indeed, there is any previous record of such, the destruction of part of the so-called High Bridge over the Mississippi River at Smith Avenue, St. Paul, would seem to be of special interest to the professional bridge engineer. This structure, Plate IV, was designed supposedly to meet, with a reasonable factor of safety, the maximum wind loads required by a standard specification; and the utter destruction of a portion of it by wind pressure alone, in view of this supposed margin of safety, would lead to the presumption that the standard requirements do not produce a safe structure, unless it can be shown by reasonable computation that there was some weak joint or detail in the frame which would insure its destruction under the action of forces not materially greater than those which, nominally, it was designed to withstand.
Probable Wind Pressure Involved in the Wreck of the High Bridge Over the Mississippi River, on Smith Avenue, St. Paul, Minn., August 20th, 1904
In view of the fact that the wreck of a well-braced iron or steel structure by wind is exceedingly rare, if, indeed, there is any previous record of such, the destruction of part of the so-called High Bridge over the Mississippi River at Smith Avenue, St. Paul, would seem to be of special interest to the professional bridge engineer. This structure, Plate IV, was designed supposedly to meet, with a reasonable factor of safety, the maximum wind loads required by a standard specification; and the utter destruction of a portion of it by wind pressure alone, in view of this supposed margin of safety, would lead to the presumption that the standard requirements do not produce a safe structure, unless it can be shown by reasonable computation that there was some weak joint or detail in the frame which would insure its destruction under the action of forces not materially greater than those which, nominally, it was designed to withstand.
Probable Wind Pressure Involved in the Wreck of the High Bridge Over the Mississippi River, on Smith Avenue, St. Paul, Minn., August 20th, 1904
Turner, C. A. P. (author)
2021-01-01
61905-01-01 pages
Article (Journal)
Electronic Resource
Unknown
| Engineering Index Backfile | 1904
| Engineering Index Backfile | 1907