Strap bracing is used in the construction of many residential structures. It has holes punched along its length to allow tensioners to be applied as shown.
A 6 mm diameter hole is to be punched into mild steel strap bracing.
If the shear strength of the bracing is 380 MPa and the shear force required to punch the hole is 5.73 kN, what is the maximum allowable thickness of the strap bracing? (3 marks)
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