Stabilization and Containment of a Deteriorating Stone Cladding System


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by Michael J. Drerup, P.E., Wiss, Janney, Elstner Associates, Inc., New York, NY,
Michael A. Petermann, Wiss, Janney, Elstner Associates, Inc., New York, NY,



Document Type: Proceeding Paper

Part of: Structures Congress 2005: Metropolis and Beyond

Abstract: Empire State Plaza, located in Albany, New York, represents one of the most ambitious stone cladding projects in modern times. A complex of 11 buildings encompassing nearly 100 city blocks, the buildings are clad with 125,000 marble panels and nearly five acres of a sedimentary stone called Llenroc, which is indigenous to Upstate New York. This paper discusses performance problems that developed due to original detailing problems with the Llenroc, and the survey and stabilization program that was implemented to stabilize the cladding while long-term solutions can be developed.

Subject Headings: Cladding | Rocks | Deterioration | Forensic engineering | Surveys (non-geomatic) | Marble | Urban areas | Sediment | Shopping centers | North America | United States | New York | Albany

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