If using an Excel-to-PDF compiler, macros often break. Strip custom Visual Basic code and replace it with clean, native spreadsheet formulas.
) on the top slab, compute the fixed-end moments assuming rigid corners prior to distribution: box culvert design calculations pdf fix
FSflotation=Total Weight of Structure+Soil OverburdenBuoyant Force≥1.25FS sub flotation end-sub equals the fraction with numerator Total Weight of Structure plus Soil Overburden and denominator Buoyant Force end-fraction is greater than or equal to 1.25 If using an Excel-to-PDF compiler, macros often break
Older reference PDFs often mix Allowable Stress Design (ASD) factors with Load and Resistance Factor Design (LRFD) combinations, resulting in erratic safety margins. The Fix: Structured Load Combination Matrix If using an Excel-to-PDF compiler