Special Case Studies

MTS Building, Santiago (Fig. 14)

• Project overview: Completed in 2005, the building is situated in the Americo, Vespucio area and is a concrete and, steel framed structure with three floors. This building experienced a large, vertical displace­ment that induced structural and non-structural damages, including the SSG curtain wall. The building is situated in a zone with a special soil type that may have contributed to the high structural displacements.

• Performance during the earthquake: was reported to have suffered sig­nificant damages in ceiling, partition walls, and curtain wall during the earthquake. Damage included a strong upward thrust buckling vertical mullions and breaking glass. In Fig. 14, one can see glass retained by the structural silicone post-breakage.

IBM Building, Santiago (Fig. 15)

• Located in Providencia, this building is a two-sided vertical SSG “stick" system fabricated, by Cupples in 1982 (Fig. 15). There are eight stories with metal panels at the spandrel areas giving it a “strip" window look. This building is the fist SSG design in the city and suffered no reported damage during the earthquake.

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