Laserfiche WebLink
JOB: <br />SHEET NO.: <br />CALCULATED BY: <br />STRUCTURAL CHECKED BY: <br />W O R K S PROJECT NO.: <br />Gunderson Building Humidifier <br />OF <br />ES DATE 09116124 <br />DATE <br />24297 <br />SEISMIC LOADS <br />ASCE 7-16 Sec. 13.3 <br />Seismic Demands for Nonstructural Components <br />NON -ISOLATED ROOF MOUNTED COMPONENTS <br />SEISMIC DESIGN FORCE FORMULAS <br />Fp*=0.4ap* Ip*Sds/Rp* [1+2*{z/h}] * Wp*0.7 <br />Fpmin =0.3*Sds*lp*Wp*0.7 <br />Fpmax =1.6*Sds*lp*Wp*0.7 <br />Vertical seismic = 0.2 * Sds * Wp * 0.7 0.7 factor for allowable stress design <br />INPUT DATA <br />For neoprene isolated ground mounted components op = 2.5 and Rp = 2.5 from ASCE 7-16 Table 13.6-1. <br />ap: in -structure component amplification factor = 2.5 <br />Sds: seismic coefficient = 1.016 <br />Ip: importance factor = 1 <br />Rp: component response modification factor = 6 <br />z: component attachment elevation from grade = 1 <br />h: structure roof elevation from grade = 11 z/h = 1.000 <br />CALCULATIONS <br />Fp* = <br />0.356 Wp <br />Fp min = <br />0.213 Wp <br />Fp max= <br />1.138 Wp <br />Fph = 0.36 Wp controlling Fp <br />Fpv = 0.14 Wp <br />(ASD) <br />(ASD) <br />Page 11 of 24 <br />