aisc (1989) and ansi/aws d14.1

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Design of bolted and welded connectionsfollow the same basic procedures as are defined inAISC (1989) and ANSI/AWS D14.1. The primary changesare in the levels of allowable stresses that have beenestablished to provide design factors of 2.40 or 3.60 withrespect to fracture for Design Categories A or B, respectively.