Consider a dependent bivariate distribution whose reliability function is F ¯(x 1 ,x 2 )=exp{-[(x 1 1/α /θ 1 ) 1/δ +(x 2 1/α /θ 2 ) 1/δ ] δ },x i >0,α>0,1≥δ>0,θ i >0,i=1,2· Two kinds of stress-strength models are discussed, respectively. Moment-type estimators of structural reliability for those models are proposed and their asymptotic properties are discussed. At last, a simulation result is
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