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Commercial black-box software often hides the underlying physics and mathematical formulas. A customized Excel or Google Sheets workbook provides distinct advantages:

Ensures the overturning moment caused by the retained soil is less than the restoring moment.

Include unit rates and a simple cost estimate section as optional inputs.

) for three distinct zones: retained soil, reinforced fill, and foundation soil. Ultimate tensile strength ( Tultcap T sub u l t end-sub ), long-term allowable design strength ( Talcap T sub a l end-sub ), and vertical spacing ( Svcap S sub v Surcharge Loads: Live load surcharges ( qLq sub cap L ) from traffic and dead load surcharges ( qDq sub cap D ) from slopes or structures. 2. Earth Pressure Calculations

Standardize your sheets so that input cells are light yellow, while formula/calculated cells are white or gray with locked cells to prevent accidental deletions.

: Calculations for the tensile strength and pullout resistance of the reinforcement layers. This also includes checking the connection strength between the reinforcement and the wall face.

Define project details, version control, and a user guide. Tab 2: Design Engine: