Seismic Load Calculation.xlsx
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Seismic Load Calculation Ground Floor Items Quantity Unit Remarks Slab Thickness 0.183 m With plaster Beam width 0.3 m Beam Depth 0.45 m Without Slab Column Length 0.6 m Column Breadth 0.6 m Column Height 2.448 m B/w thickness (230 mm) 0.2625 m Including Plaster B/w thickness (115 mm) 0.1475 m Including Plaster B/w height 2.448 m Finish load 1.339 Kn/m2 Partition load 1 Kn/m2 Parapet height 1 m parapet width 0.1475 m Including Plaster Live load 4 Kn/m2 Brick Masonry Density 19.2 kN/M3 RCC Density 25 kN/M3 Total
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Seismic load calculation excel sheet
Transcript of Seismic Load Calculation.xlsx
Sheet1Seismic Load CalculationGround FloorLoad CalculationItemsQuantityUnitRemarksload UnitLoadSlab Thickness0.183mWith plasterFloor Slab381.8773234201Sqm1742.3152881041kNBeam width0.3mBeamRm0kNBeam Depth 0.45mWithout SlabColumn24nos528.768kNColumn Length0.6mB/WallRm0kNColumn Breadth0.6mFloor finish load381.8773234201Sqm511.3337360595kNColumn Height2.448mPartition load381.8773234201Sqm381.8773234201kNB/w thickness (230 mm)0.2625mIncluding PlasterParapet wall load0Rm0kNB/w thickness (115 mm)0.1475mIncluding Plaster25 or 50 % of live load381.8773234201Sqm763.7546468401kNB/w height2.448mFinish load1.339Kn/m2Total GF load = 3928.0489944238kNPartition load1Kn/m2Total FF = 3928.0489944238Parapet height1mTotal SF = 3928.0489944238parapet width0.1475mIncluding PlasterTotal TH = 3928.0489944238Live load4Kn/m2Total FF = 3928.0489944238Brick Masonry Density19.2kN/M3Total Top floor = 3928.0489944238RCC Density25kN/M3Ground Floor load = 3928.0489944238kNFirst Floor load =3928.0489944238kNSecond Floor Load =3928.0489944238kNThird Floor load =3928.0489944238kNFourth Floor load =3928.0489944238kNTop Floor =3928.0489944238kNTotal weight of building = 23568.2939665428kN
Sheet2NNBC 105 Seismic DesignTime Period
SnoDescription of ItemQuantityUnitRemarks1T=0.075 H ^0.75SecClause 7.6.1, IS 1893:2002T1 = 0.06 H for concrete framesClause 7.3 a; NBC 105Height (H)=19.2790.55secT=0.075 *19.279^0.75Time Period= 0.690SecIn X-DirectionBase Shear Calculation0.690SecIn Z-DirectionCd = CZIKcd = horizontal Seismic CoefficientClause 8.1.1; NBC 205
Base Shear CalculationBasic Seismic coefficient (c) = 0.08figure 8.1; NBC 2052Vb= Ah*wClause 7.5.3; IS 1893:2002Seismic Zoning Factor (Z) = 1figure 8.2; NBC 205Ah= Design Horizontal Seismic CoefficientImportance factor (I) = 1Table 8.1; NBC 205W= Weight of the BuildingStructural Performance Factor (K) = 1Table 8.2; NBC 205
Ah= (Z*I*Sa/g)/2RClause 6.4.2, IS 1893:2002Cd = 0.08Zone Factor (Z)0.36For Zone VTable 2; IS 1893:2002Importance Factor (I)1For Mercantile BuildingTable 6; IS 1893:2002Base shear Vb = Cd * Wt1885.46kNclause 10.1.1; NBC 205Response Reduction Factor ( R)5For Special Moment Resisting FrameTable 7; IS 1893:2002Spectral Acceleration (Sa/g)2.5From ChartFigure 2; IS 1893:2002Ah= (Z*I*Sa/g)/2R0.09Weight of the Building23568.29KNFrom Weight Calculation Sheet
Base Shear (Vb)2121.15KN
Distribution of Base ShearNNBC 205Using IS 1893:2002
FloorWeight of The Floor( KN)Height ( Hi)WiHiFi=Vb*WiHi/sum of (Wi*Hi)Top 3928.0518.28871836.16606.04Fourth3928.0515.2459863.47505.03Third3928.0512.19247890.77404.03Second3928.059.14435918.08303.02First 3928.056.09623945.39202.01Ground 3928.053.04811972.69101.01Grand Total251426.562121.15
Sheet3
