Box Culvert Design Excel Sheet [work] Jun 2026

| Worksheet | Purpose | |-----------|---------| | | Culvert geometry (span, rise, wall thickness), fill height, soil properties, concrete grade, steel grade, design discharge, slope. | | Hydraulics | Calculates headwater depth, outlet velocity, freeboard. | | Loads | Computes vertical and horizontal loads (earth + live + water + self‑weight). | | Moments & Shear | Solves for bending moment and shear force diagrams (using matrix or moment distribution). | | Reinforcement | Outputs required steel area per meter width, bar schedule, spacing. | | Summary | Compares demand vs. capacity (moment, shear, crack width). Also includes a sketch and warning if any limit is exceeded. |

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The sheet calculates:

Internal pressure if the culvert is full, or external pressure from groundwater. 3. Structural Design and Reinforcement | Worksheet | Purpose | |-----------|---------| | |