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. ' <br /> Redi-Rock Wall-Preliminary Calculation <br /> JWB <br /> Name Fhar App.Pt. Fvert App.R. Design <br /> ilbfiftj Z rfti lbflft] X Ifti coefficient <br /> Weight-wall 0.0 -5.40 4971.7 2.40 1.000 <br /> FF resistance -67,5 -0.50 0.1 0.25 1.000 <br /> Weight-earth wedge 0.0 -1,33 34.2 4.07 1.000 <br /> Weight-earth wedge 0.0 -10.91 203.3 3.22 1.000 <br /> Active pressure 1652,1 -3.44 1212.8 4:18 1.000 <br /> Verification of complete wall <br /> Check for overturning stability <br /> Resisting moment Mres = 17813.6 lbfft/ft <br /> Overturning moment M0 - = 5643.9 lbfftift <br /> Safety factor=3.16> 1.50 <br /> Wall for overturning is SATISFACTORY <br /> Check for slip <br /> Resisting horizontal force lire, = 3707.8 Ibitft <br /> Active horizontal force Ha ci = 1584.6 IV/ft <br /> Safety factor=2,34>1.50 <br /> Wall for slip is SATISFACTORY <br /> Forces acting at the centre of footing bottom <br /> Overall moment M = 1958.8 lbfftift <br /> Normal force N = 6422.0 Iblift <br /> Shear force Q = 1584.6 Ibutft <br /> Overall check-WALL is SATISFACTORY <br /> Bearing capacity of foundation soil <br /> Forces acting at the centre of the footing bottom <br /> Moment Norm.force Shear Force Eccentricity Stress <br /> Numiri <br /> [Ibfftlft] [Ibrift) [lbfift] [ft) [psi] <br /> 1 1958.8 6422.0 1584.6 0.31 1694.5 <br /> Spread footing verification <br /> input data <br /> Basic soil parameters <br /> Ter ciat Y Ysu 0 <br /> No. Name Pattern <br /> [9 [Psfl [Pal [Pcf) El <br /> 1 Sand I. , ' ' ' 30,00 0.0 120.0 67.5 20 00 <br /> 2 Crushed Stone#57 , a a' <br /> g g , 40.00 0.0 130.0 77.5 26.00 <br /> 1- <br /> All soils are considered as cohesionless for at rest pressure analysis. <br /> Soil parameters <br /> ic.,...;•,Red,Rry-Jc WWI I vorpon 5 7 1 .O I Copynghl(PI FINE Ltd 2000 I WNW rIPOtVeataSOfaUl <br />