(p0)r c columns rectangular biaxial bending section design is456
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P0)R C Columns Rectangular Biaxial Bending Section Design IS456TRANSCRIPT
TitleABC ConsultantsReinforced concrete-Rectangular Columns-Biaxial bending-Section Design-IS 456Design of a rectangular column section for axial compression or tensiom and biaxial bending for 24 load casesPreliminary design of a rectangular column section for axial compression and biaxial bending for one load caseCapacity of a rectangular column section for minimum and maximum percentage of steel per IS456Validation of design done by hand or another software such as STAAD or ETABSP0Modified 04 Sep [email protected]
Design*Reinforced concrete-Rectangular Columns-Biaxial bending-Section Design-IS 456*Design of a rectangular column section for axial compression or tensiom and biaxial bending for 24 load casesPreliminary design of a rectangular column section for axial compression and biaxial bending for one load caseCapacity of a rectangular column section for minimum and maximum percentage of steel per IS456Validation of design done by hand or another software such as STAAD or ETABSDesign**ABC Consultants*Doc No :101/R0*Example problemDate:11/9/13**DESIGN DATAConcreteSteelSectionPreliminary design of reinforcement*fck,N/mm225fy, N/mm2415B, mm300Coumn group nameLimiting axial load capacities for given size*PSFc1.5PSFs1.15D, mm500C6-4p=6%p=0.8%*Ec, N/mm225000Es,N/mm2200000Clear cover, mm40p, %4.29%Comp, kN39121822*ecy0.0020ReinforcementNosDia, mmNosDia, mmTension, kN-3249.45-433*ecu0.0035Top232232.0Design loads for preliminary design*C10.67Middle432432.0Pu, kNMux, kNmMuy, kNm*Bot232232.01500134128*Enviironment type exposed toSuggestions based on preliminary design*S no2Moderate Exposed to rain or condensation, or non aggressive soil and ground water, or continuous immersion in water. Sheltered from severe rain or freezing whilst wet, or saturated salt air in coastal areas Exposed to rain or condensation, or non aggressive soil and ground water, or continuous immersion in water. Sheltered from severe rain or freezing whilst wet, or saturated salt air in coastal areasModerateModerateModerateModerateModerateprequired %3.65%Alt 1Alt 2Dia, mm2532*Top22*Middle104*Fire ratingApplicaion of IS13920 (Ductility code)Col data for slendernessBot22Col TypeZoneBeam span, mCol unsupported height, mAbout X axis kexAbout Y axis keyInteriorI,IIIS13920 will not be applied4.05.01.001.00Bottom lineDetailing check0 comment/sULS CheckMax ratio = 0.82**Max ratio