Abstract
Gilsanz Murray Steficek, LLP investigated the removal of the tie rods in the floors of the landmarked Metropolitan Life Tower in New York City when the tower was converted for residential use. The typical floor is constructed of segmental concrete arches supported on steel beams with tie rods perpendicular to the beams below the arches. GMS evaluated the removal of the rods by performing linear and nonlinear 3D finite element analysis of the floor system. Load tests were also performed at 5 locations in the building in order to confirm that the floor would perform satisfactorily. Both the analysis and the load test confirmed that the tie-rods could be removed safely.
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