^t,Rd is the design tension resistance of a bolt, see Table 3.4;
is the total value of Ft,Rd for all the bolts in the T-stub; X^eff.i is the value of V [..n for mode 1; X^eff,2 is the value of V ( ,.(( for mode 2; emin , m and tf are as indicated in Figure 6.2. /y,bp is the yield strength of the backing plates; tbp is the thickness of the backing plates; ^W qw / 4;
dw is the diameter of the washer, or the width across points of Q the bolt head or nut, as relevant.
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