ICRI 1998 Project Award Winner
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Award of Excellence: Parking Structures Category

LDS Hospitals' Physicians Office Building Parking Structure
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Aurora, Colorado

Submitted by Blazer Structures

LDS Hospital BuildingThe existing parking structure at the Church of Jesus Christ of Latter Day Saints (LDS) Hospitals’ Physicians Office Building in Salt Lake City, Utah, was 28 years old and in need of extensive repair. The deterioration was due to a combination of both age and repeated use of snow-melting salts. Also, the under-designed reinforcing scheme of the structure did not allow for the shear or ductile strengths needed in a Zone 3 seismic region.

The restoration work involved concrete demolition, latex modified concrete overlay, polymer modified concrete patching to beams and column, post-tension repairs and replacement of broken and/or corroded cables, expansion joint removal and replacement, asphalt removal, installation of new drains, fire sprinkler system upgrades, electrical upgrades, and a heavy-duty vehicular deck coating system.

The seismic work involved the placement of steel plates and the installation of concrete curbs with embedded angles to upgrade the precast members, and composite fiber reinforcing to all columns to upgrade shear and ductile strength. Carbon fiber technology was chosen as the composite reinforcing material, using the wound tow method, and utilizing state-of-the-art robotics.

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