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U TR BLOCK, INC. <br />FORCE DETAILS <br />The details below shown how the forces and moments are calculated for each force component. The values shown <br />are not factored. All loads are based on a unit width (ppf / kNpm). <br />Layer <br />Block Wt <br />X-Arm <br />Moment <br />Soil Wt <br />X-Arm <br />Moment <br />1 <br />423.04 <br />1.23 <br />519.98 <br />0.31 <br />2.47 <br />0.76 <br />2 846.08 <br />1.23 <br />1039.97 <br />130.94 <br />2.74 <br />358.94 <br />3 846.08 <br />1.23 <br />103_9.97 <br />368.65 <br />3.10 <br />1144.58 <br />4 1692.15 <br />2.46 <br />4159.88 <br />Block Weight (Force v) = block: 3807 X-Arm = 1.78 ft <br />Soils Block Weight (Force v) = 500 ppf X-Arm = 3.01 ft <br />Active Earth Pressure Pa = 1534 ppf <br />Pa_h (Force H) = Pa cos(batter + 6) = 1534 x cos( 18.1 + 25.5) = 1110 ppf <br />Y-Arm = 2.50 ft <br />Pa_v (Force V) = Pa sin(batter + 6 ) = 1534 x sin( 18.1 + 25.5) = 1059 ppf <br />X-Arm = 4.10 ft <br />Live Load Pq = 397 ppf <br />Pq_h (Force H) = Pq cos(batter + b) = 397 x cos( 18.1 + 25.5) = 287 ppf <br />Y-Arm = 3.75 ft <br />Pq_v (Force V) = Pq sin(batter + 6) = 397 x sin( 18.1 + 25.5) = 274 ppf <br />X-Arm = 3.69 ft <br />Passive Earth Pressures <br />Passive earth pressures are used for resistance of the Leveling Pad, but may be extended upward to assist <br />with the resistance of the wall facing for walls that have deep embedments. <br />Passive Earth Pressure: <br />kp = 3.85 <br />Pp = 312.96 ppf <br />UltraWall 4.0.16287.0 Page 6 <br />