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Level 3 Communications requested two four-story parking garages separated by a stair/elevator tower and bridges connecting both garages. These two garages were to provide parking on a campus for seven four-story office buildings and needed to blend into the hill that was excavated for them. The garage was therefore designed for earth pressure on three sides and three levels of earth on the south side. The perimeter road allowed for access to each level at different locations without the need for ramps, and the exterior and interior shear walls were designed for seismic and earth horizontal loads. These structures which can accommodate 1670 automobiles, were designed as a precast concrete structure on cast-in-place pier caps which were supported by 24" diameter to 42" diameter cast-inplace piers.
Copyright 2006 |
Level 3 Communications
