Project Data
Control Structure S-H-2
friction angle of backfill soil
see Wall Cross Section, slope of backfill
weight of soil backfill per unit volume
Calculate Pressure Coefficients - Rankine Theory
Active Pressure Coefficient
Passive Pressure Coefficient
Effective Pressure Coefficient
Assume intial value for D
Soil Pressures - Conventional Method
Assumed surcharge from channel waters
Soil Forces - Conventional Method as functions of D
Redefine D, z in terms of the Solve Block solution
Sum of Moments about F - Equals zero for solution, CCW positive direction
Depth required plus 20% safety factor