Structural Surgery

by Sukru Tirnakli, Proj. Engr., Ctr. for Jewish History; Gilsanz, Murray and Steficek, New York, NY,
Ramon Gilsanz, P.E., (M.ASCE), Partner; Gilsanz, Murray and Steficek, New York, NY,

Serial Information: Civil Engineering—ASCE, 1999, Vol. 69, Issue 2, Pg. 56-59

Document Type: Feature article

Errata: (See full record)


Structural engineers had to transform four existing buildings and two new buildings into a new non-profit center for Jewish history. The buildings were of varying ages and had different floor elevations. Floors had to be added to two of the older buildings. One of the new buildings was placed in the existing courtyard and an auditorium and two-level library was constructed in that space. The greatest design challenge was the new lateral load system for the combined buildings. Moment connections and braces were used for the existing floors and added floors had moment frames in both directions. Where braces were not feasible, the designers achieved the connections by welding new flange plates to the flanges of the existing girders and the column faces.

Subject Headings: Existing buildings | Floors | Building design | Lateral loads | Moment (mechanics) | Bracing | Flanges | History

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