Home Back

Section Modulus of Wind Girder Calculator

Section Modulus Formula:

\[ Z = 0.059 \times D^2 \times H \]

m
m

1. What is Section Modulus of Wind Girder?

Definition: Section modulus is a geometric property for a given cross-section used in the design of beams or flexural members like wind girders.

Purpose: It helps engineers determine the structural capacity of wind girders used in tank construction to resist wind loads.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ Z = 0.059 \times D^2 \times H \]

Where:

  • \( Z \) — Section modulus (cubic meters)
  • \( D \) — Diameter of tank (meters)
  • \( H \) — Height of tank (meters)

Explanation: The formula calculates the required section modulus based on tank dimensions to ensure structural stability against wind forces.

3. Importance of Section Modulus Calculation

Details: Proper calculation ensures the wind girder can withstand wind loads without excessive deflection or failure, maintaining tank integrity.

4. Using the Calculator

Tips: Enter the tank diameter and height in meters. The ±5% indicates typical tolerance in measurements. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why is section modulus important for wind girders?
A: It determines the girder's ability to resist bending moments caused by wind pressure on the tank.

Q2: What factors affect the section modulus requirement?
A: Wind speed, tank diameter, height, location, and design codes all influence the required section modulus.

Q3: How does tank diameter affect the section modulus?
A: Since diameter is squared in the formula, larger tanks require significantly stronger girders.

Q4: Is this calculation applicable to all tank types?
A: Primarily for cylindrical storage tanks; other shapes may require different calculations.

Q5: Should I add a safety factor to the result?
A: The formula typically includes basic safety factors, but consult engineering standards for specific applications.

Section Modulus of Wind Girder Calculator© - All Rights Reserved 2025