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BASE SLIDING <br /> Sliding at the base is checked at the block to leveling pad interface between the base block and the leveling <br /> pad. <br /> Forces Resisting sliding =W 1 + Pav <br /> 2961 + 191 N =3152ppf <br /> Resisting force at pad = (N * 0.8 *tan(slope) + intercept x L) <br /> 3152 x0.8 x tan(40.0) + 0.0 Rf=3,152 <br /> Driving force is the horizontal component of <br /> Pah <br /> 712 Df=712 <br /> FSsl = Rf/ Df FSsl =4.43 <br /> Note: Calculations and quantities are for PRELIMINARY ANALYTICAL USE ONLY and MUST NOT be used for final <br /> n or construction without the independent review, verification, and approval by a qualified professional engineer. <br /> UltraWall 6.0.22298.930 9 <br />