r.c beam design with shear and torsion

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RC BEAM DESIGN Page 1 R.C BEAM DESIGN WITH SHEAR AND TORSION Span Moments Support Moments Mu (+ve) 22 KN-m Mu (-ve) 22 KN-m Tu (Torsional Moment) 0 KN-m Tu (Torsional Moment) 0 KN-m Equivalent Span Moment(Me 22.00 KN-m Equivalent Support Moment 22.00 KN-m Maximum Shear Force at the support Seciton Vu 12 kN Equivalent Shear Ve 12.00 kN Calculation of Steel Depth required for given BM Depth required for given BM B 200 mm B 200 mm D 300 mm D 300 mm Effective Depth 259 mm Effective Depth 247.5 mm fck 30 fck 30 N/mm2 fy 500 fy 500 N/mm2 Effective Depth (d) req 166.04 mm Effective Depth (d) req 166.04 mm N/mm 2 N/mm 2

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Design of Beams

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RC BEAM DESIGNR.C BEAM DESIGN WITH SHEAR AND TORSIONSpan MomentsSupport MomentsMu (+ve)22KN-mMu (-ve)22KN-mTu (Torsional Moment)0KN-mTu (Torsional Moment)0KN-mEquivalent Span Moment(Me)22.00KN-mEquivalent Support Moment(Me)22.00KN-mMaximum Shear Force at the support SecitonVu12kNEquivalent Shear Ve12.00kNCalculation of SteelDepth required for given BMDepth required for given BMB200mmB200mmD300mmD300mmEffective Depth259mmEffective Depth247.5mmfck30N/mm2fck30N/mm2fy500N/mm2fy500N/mm2Effective Depth (d) req166.04mmEffective Depth (d) req166.04mmMu/bd21.640Mu/bd21.796pt req0.404pt req0.446Ast req209.39mm2Ast req220.77mm21526No of Bars RequiredSPAN STEELSUPPORT STEELDiameter of BarsArea of BarsNo.of Bars.Total AreaDiameter of BarsArea of BarsNo.of Bars.Total Areammmm2mm2mmmm2mm2850.2700850.2700.001078.54001078.540.0012113.100012113.1000.0016201.062402.124816201.0600.0020314.160020314.162628.3225490.880025490.882981.7532804.250032804.2500.00402.1248.1610.07Ast req209.39mm2pt3.253Ast pro402.12mm2pt required0.40pt provided0.78fs151.00N/mm2kt1.2from Fig 4 of IS 456(l/d)max28.8(l/d)providedEnter Span7(l/d)provided27.027Shear ReinforcementVu12kN4v0.23c0.73From Table 19for pt0.78Vus-25.81kNDiameter of Bars for Stirrups8mmNo. of Legs2Spacing requried Sv-438.77mmWhere Sv < 0.75*d194.25mmProviding8diameter2legged stirrups@175mm c/c

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