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40-23.1 BOE/NG <br /> - PALLET RACK DESIGN ox 3�0� <br /> �,Washington 98124-2207 <br /> PROJECT New Pallet Rack- Fourth Floor JOB NO. W3928716 <br /> FIG. BY C. Rossell CHECKED BY M.Abdi DATE 03/16/i 6 REV'D <br /> BEAM LOADS <br /> SHELF DL= 200 LB/SHELF= 100 LB/BEAM, SEE NOTE 1 AT END OF SECTION <br /> ................ <br /> SHELF PL= 2200 LB/SHELF= 1100 LB/BEAM <br /> UNIT IMPACT LOAD= 25% x SHELF LL/1 PALLET <br /> = 550 LB/SHELF= 275 LB/BEAM, SEE NOTE 2 AT END OF SECTION <br /> MOMENT AT CENTER OF BEAMS: <br /> ASSUME 20% FIXITY AT ENDS FOR DETERMINING THE MOMENT AT THE CENTER OF BEAMS. <br /> WDLL <br /> Mo�_ $ �(80%)_ (so°io) * (0.100* 168/8) k-in= 1.68 k-in <br /> WLLL (W/IMPACT) <br /> MLL= $ *�80%�_ (80%)'` (1.100" 168/8) k-in= 18.5 k-in 27.7 k-in <br /> MOMENT AT END OF BEAMS: <br /> MDL= WgLL*(20%)_ (20%) '' (0.100" 168/8) k-in= 0.42 k-in <br /> W��L (W/IMPACT) <br /> MLL= 8 *(20%)_ (20%)" (1.100'` 168/8) k-in= 4.6 k-in 6.9 k-in <br /> SEISMIC LOADING-LONGITUDINAL DIRECTION <br /> V = CS X W NOTE: MULTIPLY BY.7 TO OBTAIN ALLOWABLE <br /> STRESS DESIGN(IBC SECTION 1605.3). <br /> Ss= 1.272 (Input value calculated for building location per IBC-2009 Sec 1613.5.4) <br /> S1= 0.454 (Input value calculated for building location per IBC-2009 Sec 1613.5.4} <br /> SDs= 0.848 (Input value calculated for building location per IBC-2009 Sec 1613.5.4) <br /> SD1 = 0.407 (Input value calculated for building location per IBC-2009 Sec 1613.5.4) <br /> I = 1 Input from Section RMI 2.62(1.0 for Normal or 1.5 for Hazardous Materials or Es <br /> ................ <br /> R= 6 (R=6.0 for Moment Resisting Frames, 4.0 for Braced Frames) <br /> ................ <br /> Ta= 0.2 Approximate Period from ASCE 7-05 Table 12.8.2.2 (seconds) <br /> h= 154.2 <br /> z= 212.5 <br /> ap= 2.5 <br /> Cs= 0.53 Cs=0.4*ap*SDs*{1+2*(z/h))/(Rp/Ip),ASCE 7-10 Sec. 13.3.1 <br /> Cs max= 1.36 Cs max = 1.6'`SDs*Ip <br /> CS min= 0.25 Cs min =0.3`SDs'`Ip <br /> Design Cs: Cs= 0.53 <br /> 2 <----TYPE 1 FOR 100% LL;TYPE 2 FOR 33.33% REDUCTION IN LL(PER IBC STDS) <br /> ............... <br /> PLRF= 1 PLRF= P(average)/P(max) per RMI Sec. 2.6.3 <br /> Ws= s•(200+22oo'.s�'PLRF)/1000= 5.022 k (FOR BOTH SIDES OF RACK) <br /> V=0.531*I'`Ws= 2.666 k <br /> LATERAL FORCE DISTRIBUTION - LONGITUDINAL DIRECTION ONE SIDE OF RACK ONLY <br /> wxhx <br /> LEVEL D hx (in) hx(in) wx(k) wxhx �Wxhx Fx(k) <br /> 3 48 144 1.20 172.8 0.500 0.667 <br /> 2 48 96 1.20 115.2 0.333 0.444 <br /> 1 48 48 1.20 57.6 0.167 0.222 <br /> 0 0 0 0.00 0.0 0.000 0.000 <br /> LELNAME: W3928716-14'Pallet Rack.xls ,���'�Of'23- ;- �� 3/17/2016 9:07 AM <br /> ,.�/� <br /> �^�. <br />