Issue 1 V1.08
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Shear Centre - Unequal I-Section

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Shear Centre of a Unequal I-Section

Notation and Units

Metric and Imperial Units

The above formulas may be used with both imperial and metric units. As with all calculations care must be taken to keep consistent units throughout with examples of units which should be adopted listed below:


  • b = width of flange under consideration, in or mm
  • c = distance to shear centre, in or mm
  • h = height of section (to centre of flanges), in or mm
  • N/A = neutral axis
  • t = flange thickness, in or mm
  • w = web thickness, in or mm