Water tank CALCWATER TANK CALCULATION(For Batching Plant 4 EX-CHINA)25000 Ltr.Water Supply For Mixer Cap. 0.8 m3Water needed1 Hour needed1 Day work needed(10 hr/day)0.08m34.8m3/s48m3/day48000ltr/dayWater tank design & calculationCapacity25000ltr/day25m3Water tank empty 5.2083333333hour(1 day used)Design:ShapeRectangularDimensionPanjang6m(inlet)Lebar2mTinggi2.7mTebal 0.006m(plate 6mm)VolumeV = panjang X tinggi X lebar(tank)V=32.4m332400ltr32400kgWaterVolume=25000ltrmass=25000kgDensity=water1000kg/m3

TankPlate :SS41, y =2400kgf/cm2,tebal =6 mmDensitysteel =7850kg/m3

plate 1 6012 x 2712 x 6 (mm)= 4 pcsvol =0.097m30.097 x 7850 x 4 pcs=3045,8kg

plate 22012 x 2712 x 6 (mm)= 2 pcsvol =0.032m30.032 x 7850 x 2 pcs=502.4kg

plate mass total =3548.2kgSiku :siku 90,tebal = 7mmberat =9.59kg/mSamping =5.9 x 9.59 =56.5 kg x (2 pcs)=113kgatas=1.9 x 9.59=18.221 kgx (14 pcs)=255.09kgbawahTotal=368.09kgMass totally :water +plat +siku=250003548.2368.09=28916.29kg28.91629TONPengecekan terhadap tekanan hidrostatikFull tank capacity 32400ltrLoad tank capacity25000ltrspare7400ltr7.4m3V 7.4m3Panjang6mLebar2mTinggi air?mt spare=7.4/(6 x2 )Water tank load capacity=0.6166666667mtinggi =2.7 - 0.616667=2.0833m2083mm=> h air =2083mmP =?N =1000kg/m3g =9.81m/s2h =2.083mP = X g X hP = 20434.23N/m220.43423kN/m2P = 20434.23N/m2=0.02043423N/mm2 Hydrostatic PressureTegangan geser yang diizinkan :SS41, y =2400kgf/cm2,tebal =6 mm=24000N/cm2=240N/mm2From calculation :P =0.020434N/mm20.020434N/mm2