Continuous Beam Design for Gravity and Lateral Loads The partial ...
Beam Gravity
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Transcript of Beam Gravity
AISC 360PROJECT :PAGE :CLIENT :DESIGN BY :JOB NO. :DATE :REVIEW BY :Steel Beam Design with Gravity Loading Based on AISC Manual 14th Edition (AISC 360-10)INPUT DATA & DESIGN SUMMARYBEAM SECTION (WF, Tube or WT)= >WT8X28.5WTIxSxJbftftw497.771.107.120.720.43SLOPED DEAD LOADSwDL,1 =0.2kips / ftwDL,2 =kips / ftPROJECTED LIVE LOADSwLL,1 =0.16kips / ftwLL,2 =kips / ftCONCENTRATED LOADSPDL =kipsPLL =kipsBEAM SPAN LENGTHL1 =20ftCANTILEVER LENGTHL2 =ft, (0 for no cantilever)BEAM SLOPE0: 12 ( q =0.000 )DEFLECTION LIMIT OF LIVE LOADDLL = L /240BEAM YIELD STRESSFy =50ksiTHE BEAM DESIGN IS ADEQUATE.ANALYSISDETERMINE REACTIONS, MOMENTS & SHEARS=3.60kips=3.60kipsX1 =10.00ftX2 =10.00ftX3 =0.00ft0.0ft-kips18.0ft-kipsVmax =3.60kips, at R1 right.CHECK MMin BENDING CAPACITY ABOUT MAJOR AXIS (AISC 360-10 Chapter F)0.00ft, unbraced lengthRequired ConditionsChapter F Sections for WFTubeWTF2F3F4F5F7F9Mallowable = Mn / Wb =Double Symmetricxxx19.4ft-kipsCompact Webxxx>MMin[Satisfactory]Noncompact WebxSlender WebwhereCompact FlangesxWb =1.67, (AISC 360-10 F1)Noncompact FlangesxSlender FlangesApplicable SectionokCHECK MMax BENDING CAPACITY ABOUT MAJOR AXIS (AISC 360-10 Chapter F)Mallowable = Mn / Wb =19.4ft-kips, top flange fully supported>MMax[Satisfactory](cont'd)CHECK SHEAR CAPACITY ABOUT MAJOR AXIS (AISC 360-10 Chapter G2 or G5)Vallowable = Vn / Wv =105.6kips>VMax[Satisfactory]whereWv =1.67, (AISC 360-10 G1)DETERMINE CAMBER AT DEAD LOAD CONDITIONL = L1/ cos q =20.00ft, beam sloped spana = L2/ cos q =0.00ft, beam sloped cantilever lengthP = PDL cos q =0.00kips, perpendicular to beamw1 = wDL,1 cos q =0.20klf, perpendicular to beamw2 = wDL,2 cos q =0.00klf, perpendicular to beam0.00in, downward perpendicular to beam.USE C = 0/4" AT CANTILEVER.0.51in, downward perpendicular at middle of beam.USE C = 2/4" AT MID BEAM.CHECK DEFLECTION AT LIVE LOAD CONDITIONP = PLL cos q =0.00kips, perpendicular to beamw1 = wLL,1 cos2 q =0.16klf, perpendicular to beamw2 = wLL,2 cos2 q =0.00klf, perpendicular to beam0.00in, downward to vertical direction.