yjinc's blog

Signage Structural Calculations are the foundation of safe, stable, and durable sign installations. Incorrect calculations, however, can lead to costly errors and potentially unsafe signage. Here are five common mistakes in structural calculations for signs—and how to steer clear of them.1. Ignoring Wind Load Considerations

Wind load is critical in structural design, especially for freestanding signs. Neglecting to calculate wind load can result in signs that are vulnerable to high winds, potentially causing damage or collapse. To avoid this, always account for regional wind speeds and use precise formulas to calculate wind load effects on the signage.

2. Overlooking Soil and Foundation Factors

Many overlook the soil’s properties and foundation stability when designing large or heavy signs. Different soil types have varying bearing capacities, and a weak foundation may fail under the weight of a sign. By conducting a soil analysis and choosing the right foundation type (such as drilled piers or spread footings), you ensure a stable installation.

3. Misjudging Material Strength and Durability

The strength and durability of materials directly impact a sign’s lifespan and safety. Using materials that cannot withstand local weather conditions or the sign’s weight can lead to structural failures. Avoid this by selecting materials rated for outdoor use, considering corrosion resistance, and factoring in fatigue resistance for materials like steel and aluminum.

4. Inaccurate Load Distribution

Distributing loads incorrectly in calculations can cause a sign structure to become unbalanced. This can lead to issues like uneven stress distribution, potentially making parts of the sign more susceptible to damage. To avoid this, double-check your load distribution across all support points and run calculations multiple times to verify even stress.

5. Neglecting Local Building Codes and Standards

Local codes and standards often specify structural requirements for signage based on size, height, and placement. Ignoring these regulations can lead to non-compliance issues, which may result in fines, delays, or even forced removal of the sign. Always review local building codes and engage a certified engineer to ensure compliance with all structural requirements.

Conclusion

Understanding and addressing these five common errors in signage structural calculations is essential for safe and compliant sign installations. By carefully considering wind loads, foundation stability, material strength, load distribution, and local regulations, you’re not only preventing costly mistakes but also creating signage that stands the test of time.

4o