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J 2 : The above figure shows the second (inertia) moment of the punching area (blue shaded area) parallel to the axis with respect to the axis.
Use of Stapling Reinforcement
According to Article 7.11.10 of TBDY , in cases whereτ pd ≤ f ctd condition is not fulfilled and plate thickness is greater than 250 mm, punching strength can be increased by using punching equipment.
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