Include a dropdown to switch between Allowable Stress Design (ASD) and Load and Resistance Factor Design (LRFD) per AASHTO. LRFD requires factors for earth pressure (γ_EV), traffic loads (γ_LS), and resistance factors (φ) for reinforcement.
Spreadsheets provide a clear, printable calculation log that is essential for Quality Assurance (QA) and submission to regulatory agencies. Essential Calculations to Include When building or selecting a spreadsheet, ensure it covers: Earth Pressure Coefficients ( Kacap K sub a ): Accounting for backfill slope and wall friction. mse wall design spreadsheet
Marcus blinked. “But I followed the manual step-by-step.” Include a dropdown to switch between Allowable Stress
Full control, educational value, no cost. Cons: Time-consuming (30+ hours for a robust version), risk of hidden bugs, requires validation against benchmark examples. traffic loads (γ_LS)
Outputs: