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... 1 S U M M A R Y This report summarizes the research and findings of NCHRP Project 12-87A, "FractureCritical System Analysis for Steel Bridges," which focused on the development of system analysis procedures to evaluate the redundancy of bridges with members traditionally designated as fracture-critical members (FCMs)
From page 2...
... 2 primary steel tension member. An SRM is a primary steel tension member -- initially considered an FCM -- in which redundancy is proven by advanced analysis methods.
From page 3...
... 3 and fracture. These include detailing requirements for the design of structural steel components and reinforced concrete slabs, as well as general design guidelines.

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