The standard for highway and bridge structures in North America. It applies statistical load factors to various force components (e.g., earth pressure, live load surcharge) and resistance factors to soil-structure interactions. 2. NCMA (National Concrete Masonry Association)

: Analysis of additional horizontal forces generated during earthquake events. 3. Output and Optimization

Calculating the high structural stress at the toe of the wall and comparing it against the ultimate bearing capacity of the foundation soil. 3. Internal Stability Calculations