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Project#:GED-328/7170287 Date:8/17/2017 <br /> � <br /> Site#: WA6064/FA#10013187 �������� ���������� By:NM <br /> ane�rrs _; <br /> The following beams have been selected for this analysis: ��,�„5 " ' To��,q�u,�,�,x� <br /> Beam W D fe A1 81 C1 --• ,.,�," ,��„�� . <br /> ::: -, <br /> Mark (in) (in) (ksi) (in) (in) (in) > '� <br /> P6115 12 21 187.6 17.000 2.250 15.000 ;�° s�r�oei�'e�; ` <br /> , . .�"CONT :. 4s r. <br /> P B 116 12 21 187.6 15.000 2.250 15.000 '�i s�i:k r�a <br /> snmaws�ou u�ss t1 <br /> P B 119 12 21 134.0 14.500 14.500 17.875 q� �'+���g�rm�s�" . <br /> aono�ean'. <br /> BEYOtO�. � � WIA NElti � <br /> PB121 12 21 134.0 17.875 2.250 15.000 <br /> < ; T��• 'i <br /> Calculated concrete compressing and tensile stress limits per `z'> <br /> AC1318-14,all beams are considered uncracked[Class U]: <br /> Simple/End Mid-span Cont./fixed <br /> Permissib/e stress limit � (psiJ �ps�� AC1318-14 Ref. <br /> (ps► <br /> Compressive at lnitial prestress,fa= 2100 1800 1800 Table 24.5.3.1 <br /> Tensile at initial prestress,fc;= 329 164 164 Table 24.5.3.2 <br /> Compressive at service level,f�= 3300 2475 2475 Table 24.5.4.1 <br /> Tensile at service level, fc= 411 411 411 Table R24.5.2.1 <br /> Beam Loading: <br /> Load Description Distributed Concentrated Remark <br /> D Dead Load [Self Weight]: 689 plf - - <br /> Roof slab+Joist+20 psf roofing as <br /> specified <br /> Ballast point load+Elec./Mech.as <br /> SD Dead Load [Superimposed] 28 plf 1J9k 2.34k <br /> specified <br /> L Roof Live Load 325 plf - - 50 psf for Beams/Girders as specified <br /> Total Service Level Load <br /> T 1042 plf 1.79k 2.34k Total Service Load <br /> [D+SD+L] <br /> Beam Forces(see attached Risa3D output]: <br /> A-Simple/End(ft-kipJ 8-Mid-span(ft-kipJ C-Cont./fixed(ft-kip) <br /> Mo= - 81.6 -145.1 <br /> Ms�= - 39.8 -53J <br /> M�= - 23J -48.6 <br /> MT= - 143.2 -247.1 <br /> Beam Stresses(see attached Risa3D output]: <br /> eased on ana/ysis,all stresses do not exceed limit stress at initial transfer of prestress and service level. <br /> Stress at Initia/Transfer(psi) Stress at Service Level(psi) <br /> eeam Ab Bb Cb A� Bt Ct Ab Bb Cb At 8� � <br /> Mark <br /> P6115 -540 -661 -430 -540 -633 -542 -536 -632 -626 -536 -253 50 <br /> PB116 -432 -661 -430 -432 -633 -434 -429 -632 -626 -429 -253 50 <br /> PB119 -405 -432 -585 -405 -404 -407 -287 -289 284 -287 -17 145 <br /> P6121 -587 -661 -430 -587 -633 -589 -416 -452 -446 -416 -180 35 <br />