1. What is Modular Ratio?

Modular Ratio is the ratio of the elastic modulus of a particular material in a cross-section to the elastic modulus of the "base" or the reference material.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( m \) — Modular Ratio
• \( w_f \) — Equivalent Width of Flitched Beam (m)
• \( T_{Beam} \) — Beam Thickness (m)

Explanation: This formula calculates the modular ratio by dividing the equivalent width of the flitched beam by the beam thickness.

3. Importance of Modular Ratio Calculation

Details: The modular ratio is crucial in composite beam design as it helps determine the effective stiffness and load-bearing capacity of materials with different elastic moduli working together.

4. Using the Calculator

Tips: Enter the equivalent width of flitched beam and beam thickness in meters. Both values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What is a flitched beam?
A: A flitched beam is a composite beam made by sandwiching a steel plate between wooden beams, combining the strength of both materials.

Q2: Why is modular ratio important in composite beams?
A: Modular ratio helps convert different materials into equivalent sections for stress and deflection calculations in composite structures.

Q3: What are typical values for modular ratio?
A: Modular ratio values vary depending on the materials used. For steel-wood composites, typical values range from 10-20.

Q4: How does beam thickness affect the modular ratio?
A: The modular ratio is inversely proportional to beam thickness - as thickness increases, the modular ratio decreases, assuming constant equivalent width.

Q5: Can this calculator be used for other composite materials?
A: While specifically designed for flitched beams, the same principle can be applied to other composite materials with appropriate modifications.