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Thickness of Gusset Plate Calculator

Thickness of Gusset Plate Formula:

\[ T_g = \frac{M_{GussetPlate}}{\left(\frac{f_{Compressive} \times h^2}{6}\right)} \times \frac{1}{\cos(\theta)} \]

N·m
Pa
m
rad

1. What is a Thickness of Gusset Plate Calculator?

Definition: This calculator determines the required thickness of a gusset plate based on bending moment, compressive stress, plate height, and edge angle.

Purpose: It helps structural engineers and designers ensure gusset plates have adequate strength to withstand applied loads.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ T_g = \frac{M_{GussetPlate}}{\left(\frac{f_{Compressive} \times h^2}{6}\right)} \times \frac{1}{\cos(\theta)} \]

Where:

  • \( T_g \) — Thickness of gusset plate (meters)
  • \( M_{GussetPlate} \) — Bending moment (N·m)
  • \( f_{Compressive} \) — Maximum compressive stress (Pa)
  • \( h \) — Height of gusset plate (meters)
  • \( \theta \) — Gusset plate edge angle (radians)

Explanation: The formula calculates thickness based on bending moment capacity and accounts for the angle of the gusset plate edge.

3. Importance of Gusset Plate Thickness Calculation

Details: Proper thickness calculation ensures structural integrity, prevents buckling, and maintains connection strength in steel structures.

4. Using the Calculator

Tips: Enter all values with ±5% tolerance. The angle should be in radians (convert from degrees if needed by multiplying by π/180).

5. Frequently Asked Questions (FAQ)

Q1: What is a typical gusset plate thickness range?
A: Gusset plates typically range from 6mm to 25mm thick, depending on the applied loads.

Q2: Why is the edge angle important?
A: The angle affects stress distribution and the effective length of the plate.

Q3: How do I determine the bending moment?
A: Calculate from applied loads and connection geometry using structural analysis methods.

Q4: What safety factors should I consider?
A: Always apply appropriate safety factors per your design code (e.g., AISC, Eurocode).

Q5: Can this be used for other plate calculations?
A: The formula is specific to gusset plates with edge angles; other plates may require different calculations.

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