1. What is Primary Shear Stress in Weld?

Primary shear stress in weld is defined as the force tending to cause deformation of the welded joint by slippage along a plane or planes parallel to the imposed stress. It occurs when an eccentric load is applied to the welded specimen cross section.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( \tau_1 \) — Primary shear stress in weld (Pa)
• \( W \) — Eccentric load on weld (N)
• \( A \) — Throat area of welds (m²)

Explanation: The formula calculates the primary shear stress by dividing the eccentric load by the throat area of the welds.

3. Importance of Primary Shear Stress Calculation

Details: Calculating primary shear stress is crucial for determining the structural integrity of welded joints and ensuring they can withstand applied loads without failure.

4. Using the Calculator

Tips: Enter eccentric load in Newtons (N) and throat area in square meters (m²). Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is eccentric load on weld?
A: Eccentric load on weld is the load applied to the welded specimen cross section such that it tends to cause a bending moment in the weld.

Q2: What is throat area of welds?
A: The throat area of welds is the area of the throat of a weld (the shortest distance from the root to the face of the weld).

Q3: What units should I use for input values?
A: Use Newtons (N) for eccentric load and square meters (m²) for throat area to get results in Pascals (Pa).

Q4: What is a typical range for primary shear stress?
A: The acceptable range varies by material and welding specifications, but typically ranges from 10-100 MPa for structural steel welds.

Q5: When is this calculation most important?
A: This calculation is critical in structural engineering applications where welded joints are subjected to eccentric loading conditions.