Civil Engineering Association

Seismic collapse of reinfo rced concrete towers at Royal Palm Resort, Guam, USA

Author: B Ross, Exponent Failure Analysis Associates, USA J Osteraas, Exponent Failure Analysis Associates, USA G Luth, Exponent Failure Analysis Associates, USA P Moncarz, Exponent Failure Analysis Associates, USA Y Bozorgnia, Exponent Failure Analysis Associates, USA | Size: 1.3 MB | Format: PDF | Quality: Unspecified | Publisher: 25th Conference on OUR WORLD IN CONCRETE & STRUCTURES: 23 - 24 August 2000, Singapore | Year: 2000 | pages: 16

Structural damage and partial collapse of a 12-story hotel building in Tumon Bay, Guam, USA, caused by the August 1993 earthquake was investigated. Site reconnaissance, damage assessment, review of project specific documentation, detailed finite element modeling of structural components, analysis of globalbb structural response and progressive collapse studies were performed. Collapse was due to a fundamental design flaw; specifically architectural walls solidly locked into
the structural frame drastically altered response of the structure to earthquakebloading. Rather than dissipating earthquake loads throughout the building, the
design created a "soft story", which attracted and concentrated seismic energy in the
second floor columns.

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