Using an spreadsheet streamlines the design process for dam engineers. By automating the application of USBR formulas, designers can instantly obtain accurate profiles, ensuring the hydraulic efficiency of the spillway while focusing on overall project optimization. Ensure you enable macros and verify the input parameters to achieve the best results.
The spreadsheet appears to produce plausible numbers, so testing is skipped.
Platforms like EduCadd , GrabCAD , or CivilEngineeringPortal often feature peer-reviewed user-submitted spreadsheets. ogee spillway designxls install
Designing an ogee spillway is a complex hydraulic engineering task that requires precise calculations of flow profiles, discharge coefficients, and structural stability. In recent years, spreadsheet-based design tools have become invaluable for engineers, offering an accessible and efficient way to perform these calculations. This guide provides a thorough overview of ogee spillway design using Excel-based tools, including installation, usage, and best practices.
– Create a table of heads H from 0.2 H d to 1.4 H d . For each, compute H/H d , look up C/C d (from an embedded lookup table or a fitted curve), then compute discharge Q = C·Lₑ·H³/² . Using an spreadsheet streamlines the design process for
Account for contractions caused by bridge piers and lateral abutments using the formula:
For the design head, the coefficient is taken as the maximum value (typically ≈2.20). At other heads, a correction factor C/C d is applied, a relationship that is usually presented as a curve or a lookup table. The spreadsheet appears to produce plausible numbers, so
OSD-2026-001 Date: April 19, 2026 Prepared by: [Your Name/Organization] Subject: Documentation of installation procedure and functionality check for the Ogee Spillway Hydraulic Design Spreadsheet ( Ogee_Spillway_Design.xls )