The panelized steel is placed in the precaster’s forms with the shear-transfer strip’s flanges projecting downward so that they become embedded as the concrete is placed. The strip is screwed to light-gauge steel studs. The heart of the system is a proprietary galvanized steel shear-transfer strip with Y-shaped flanges. Metal Stud Crete uses the same type of concrete as conventional precast, though in an unconventional way. IECS recommended the Metal Stud Crete system, which they had used previously with positive results. Hanover brought in IECS LLC of Warrenton, Va., an engineering firm with expertise in thin-shell construction. Thin-shell precast concrete seemed like the answer. The developers wanted the speed of precast erection, but they did not want to increase the loads on the structure and force a major re-engineering of the project so late in the plan. Masonry was deemed to be too slow too achieve that goal. Groundbreaking was scheduled for December 2005, and the company wanted to enclose the structure before this coming winter. When construction documents were 65 percent completed, Houston-based developer, The Hanover Co., accelerated construction. Domus covers a large city block, and its vast exterior surfaces were initially designed for masonry, including a wealth of visual details to harmonize with the brick facades of the adjacent University of Pennsylvania.
Domus philadelphia plus#
Project gains unexpected benefits switching to thin-shell precast concreteĪn eight-story residential complex in Philadelphia, the Domus project incorporates 414,000 square feet of premium residential and retail space, plus 108,000 square feet of parking.
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