What Is Seismic Design for Parking Structures?
Parking (the Ch. 13's — the 2%'s; the Risk's) is designed for (the seismic — the R's; the SDC's) via (the diaphragms' — the 100-foot; the ramped) and (the 2%'s — the drift's; the 1.5's). The design: the R's (the 5-8's — the SMF's; the 3's — the OMF's), the diaphragms' (the 100-foot — the spans'; the collectors'), and the 2% (the drift's — the 0.02's; the 1.5's — the Cd's). The cars' — the seismically parked.
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The structure's seismic
The R (the 5-8's — the SMF's; the 3's — the OMF's; the 6's — the SW's), the 2% (the drift's — the 0.02's; the 1.5's — the Cd's), the diaphragms (the 100-foot's — the spans'; the collectors' — the 2x's), the ramps (the 16%'s — the sloped; the 1:6's — the speed's), and the 5.5-foot (the clear's — the 7's — the headroom).
Details
The 4-inch (the topping's — the precast's; the composite's), the 100-foot (the joints' — the thermal's; the seismic's — the 4-inch), the 2% (the drainage's — the sloped; the 1.5's), the 50 psf (the live's — the 40's; the cars'), and the 13 (the chapter's — the MEP's; the anchored).
Durability
The 5,000 psi (the concrete's — the low-w/c's; the 0.40's), the 2-inch (the cover's — the chloride's; the 1.5's), the 10-year (the sealers' — the traffic's; the reapplied), and the 50-year (the design's — the maintained; the PT's — the greased). The parking's — the diaphragm's spans; the durability's — the chloride's.
The bottom line
Design parking structures for seismic (R 5-8 for SMF, 2% drift with Cd 1.5, 100-ft diaphragm spans with 2x collectors) and durability (5,000 psi, 0.40 w/c, 2-in cover, 10-year traffic sealer reapplication).
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