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In steel tension member design, net effective cross-sectional area for a plate with staggered rivet holes is increased compared to chain riveting because:

AGross area increases
BStaggered pitch distance adds positive terms (s^2 / (4g)) to net width
CRivet hole diameter is reduced
DStress concentration factor is zero

Explanation

For staggered hole patterns, net width net_b = b – n*d + Sum[s^2 / (4*g)]. The added term increases net effective area.

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