Laserfiche WebLink
RACK DESIGN <br />FIG BY <br />BEAM LOADS <br />Abdi DATE <br />P. O Box 3707 <br />Seattle, Washington 96124-2207 <br />SHELF DL = 200 LB/SHELF = 100 LB/BEAM, SEE NOTE 1 AT END OF SECTION <br />SHELF PL = 3000 LBISHELF = 1500 LB/BEAM <br />UNI r IMPACT LOAD = 25% x SHELF LL / 1 PALLET <br />750 LB/SHELF = 375 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 />WoLL <br />Mot.= 8 ' (80%) _ (90%) • (0100. 168I 8) k-in = 1.68 k-in <br />ALL'W/ IMPACT) <br />MLL = 8 '(80%) _ (80%) • (1 500 • 188 / 8) k-in = 25.2 k-in 37.8 k-in <br />MOMENT AT END OF BEAMS. <br />MoL = WOLL• (20%) _ (20°h) • (0.100' 169I 8) k-in = 0.42 k-in <br />8 <br />(W/ IMPACT) <br />WLLL <br />9.5 k- <br />MLL = ' (20%) = (20%) • (1 500. 168 / 8) k-in = 6.3 k-in in <br />SEISMIC LOADING - LONGITUDINAL DIRECTION <br />LATE <br />V = C,s X N NOTE: MULTIPLY BY 7 TO OBTAIN ALLOWABLE <br />STRESS DESIGN IIBC SECTION 1605.31, <br />Ss= I 1 i 2 (Input value calculated for building location per IBC-2009 Sec 1813.5 4) <br />S1= 0 454 (Input value calculated for building location per IBC-2009 Sec 1613 5A) <br />SOS = t (Input value calculated for building location per IBC-2009 Sec 1613 5.4) <br />SD1 = (Input value calculated for building location per IBC-2009 Sec 1613 5 4) <br />1 = t Input from Section RMI 2.62 (1.0 for Normal or 1.5 for Hazardous Materials or Es <br />R = 6 (R= 6.0 for Moment Resisting Frames, 4.0 for Braced Frames) <br />Ta = 0.1 Approximate Period from ASCE 7-05 Table 12.8 22 (seconds) <br />Cs = 0.46 Cs = SD1/(T•R) per RMI 2.6 3 <br />Cs max = 0 14 C ; max = SDs/R per RMI 2 6 3 <br />CS min = 004 Cs max = 0 044'SDs, but not less than 0 5'SD1IR for SD1 >= 0 6 per RI <br />Design Cs Cs = 0,14 <br />2 <---- TYPE 1 FOR 100% LL, TYPE 2 FOR 33.33% REDUCTION IN LL (PER IBC STDS) <br />PLRF = 1 PLRF = P(average) / P(max) per RMI Sec 2 6 3 <br />WS = 2- (200 - 3000- 67-PLRF)/1000 . 4.42 It (FOR BOTH SIDES OF RACK) <br />V=0141.1•Ws= 0625 k <br />r„ocnrins� inuc xmn❑ r1a r]CCx nN1 Y7 <br />LEVEL <br />D hx (in) <br />hx (in) <br />wx (k) <br />wxhx <br />wxhx <br />wxhx <br />Fx (k) <br />2 <br />48 <br />96 <br />1 Bo <br />153.6 <br />0.667 <br />0208. <br />1 <br />48 <br />48 <br />1,60 <br />76.8 <br />0.333 <br />0.104 <br />0 <br />0 <br />0 <br />000 <br />00 <br />0.000 <br />0,000 <br />0 <br />0 <br />0 <br />000 <br />0.0 <br />0 000 <br />0.000 <br />0 <br />0 <br />0 <br />000 <br />0.0 <br />0.000 <br />0.000 <br />0 <br />0 <br />0 <br />0.00 <br />00 <br />0,000 <br />0,000 <br />0 <br />0 <br />0 <br />0.00 <br />00 <br />0,000 <br />0 000 <br />LLLNAME 40-04 01 W1779152 xis Page 2 of 14 31712013 9.26 AM <br />