Ogee Spillway Design.xls Jun 2026

Because the design head is a statistical estimate, a sensitivity sheet runs 1000 simulations varying ( H_d ) by ±20% and outputs the probability of crest cavitation.

In the world of dam engineering, few structures are as critical—or as mathematically elegant—as the . Named for its distinctive S-shaped curve that mimics the profile of a falling nappe (water jet) over a sharp-crested weir, the Ogee spillway is the gold standard for gravity dam overflow sections. However, designing one requires solving complex hydraulic equations, iterating over discharge coefficients, and checking multiple failure modes. Ogee Spillway Design.xls