Design purlin with seismic forces by asce7:2010
Design purlin with seismic forces by asce7:2010
(OP)
How can i design girts and purlin (roof member) with seismic forces by asce7:2010? Can i utilise item 13.3.1 "seismic demands on nonstrucutral components / seismic design force"? How can i classify "ap" (table 13.5-1 or 13.6-1) and "Ip" (section 13.1.3)?






RE: Design purlin with seismic forces by asce7:2010
RE: Design purlin with seismic forces by asce7:2010
This members (girts and purlin) aren't part for the lateral resisting system. They are only for suport roof deck.
RE: Design purlin with seismic forces by asce7:2010
RE: Design purlin with seismic forces by asce7:2010
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RE: Design purlin with seismic forces by asce7:2010
RE: Design purlin with seismic forces by asce7:2010
RE: Design purlin with seismic forces by asce7:2010
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RE: Design purlin with seismic forces by asce7:2010
RE: Design purlin with seismic forces by asce7:2010
In your opinion, we can design by (asce7:2010 - 13.3.1):
Purlin: vertical force = ±0.2·SDS·Wp (usually the diaphragm resist the horizontal components)
Girts: horizontal force = Fp = 0.4·ap·SDS·Wp/(Rp/Ip) · (1+2·z/h)
?