This Excel sheet assists in computing wind forces on buildings and structures as per the Egyptian Code of Practice Loads (ECP 201). It includes parameters such as wind speed, building height, exposure conditions, and pressure coefficients to calculate wind loads on walls, roofs, and structural elements.
Wind Load Design Under ECP 201
The Egyptian Code of Practice ECP 201 governs the calculation of environmental loads including wind for structures built in Egypt. The code classifies Egyptian territory into wind speed zones and provides height-dependent exposure factors to account for terrain roughness. Engineers are required to determine both external and internal pressure coefficients and combine them to arrive at net design wind forces on each surface of a structure.
Wind Force Calculation Steps per ECP 201
- Determine basic wind speed (V) from the ECP 201 wind zone map for the project location
- Select exposure category based on terrain surrounding the site (open, suburban, or urban)
- Compute design wind speed using the height factor K and terrain roughness coefficients
- Calculate dynamic wind pressure (q) using q = 0.5 ρ V²
- Apply pressure coefficients (Cp) for windward walls, leeward walls, side walls, and roof
- Determine net wind force by combining external and internal pressures
What This Sheet Automates
- Dynamic pressure calculation at multiple heights
- External pressure on each face of a rectangular building
- Internal pressure based on dominant opening location
- Net lateral wind force for MWFRS design
- Tabular summary suitable for inclusion in structural calculations
Typical Applications
This sheet is used for residential villas, commercial buildings, industrial warehouses, water towers, and infrastructure structures designed under ECP 201 in Egypt. It is particularly valuable for engineers preparing structural calculation reports for submission to Egyptian building authorities.
Download the Egyptian Code Wind Forces Sheet
This sheet is an essential tool for structural engineers practising in Egypt who need to comply with ECP 201 wind load requirements. The automated calculation format reduces design time and minimises the risk of manual computation errors. Download the free Excel sheet below and use it as part of your structural design documentation.
