Regarding the loading of retaining walls, all hydrostatic, soil and surcharge loads are taken into account on a per foot basis. In this case the Rankine active vs passive pressures will not work, so instead you may need to manually input your K factors in the Wall Footing Definitions spreadsheet. Consider manually entering K factors for this wall. The message states "The hydrostatic passive forces (toe side) exceed the hydrostatic active forces (heel side). In this case, the program will give a message in the detail report and not design your retaining wall. If the passive force exceeds the active force you then have an irrational solution. The program will perform a calculation comparing the total active force from the heel side and the total passive force from the toe side. When this occurs, the wall footing detail report will show (At Rest) after both the heel and toe K factors. If the passive forces exceeds the active force, the wall is assumed to be in an at rest condition and the program will use the K o equation for both the heel and toe K factors.
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