Antiquated Structural Systems Series - structuremag.org

Antiquated Structural Systems Series Part 9a Open Web Steel Joists By D. Matthew Stuart, , , F. ASCE, SECB. For this Series of articles, Antiquated 1961 Introduction of the has been defined as meaning outmoded J- Series joists, which or discarded for reasons of age. In reality, replaced the S- Series however, most of the Systems that have joists. The allowable . E. been discussed are no longer in use simply tensile strength was because they have been replaced by more increased from 20 ksi innovative or more economical methods to 22 ksi. Introduction of the R. of construction. LA- Series joists to replace the Ashland Steel Products Co., Inc Ashland This article, however, deals with a meth- L- Series joists, which included an City, Tennessee); Vescom Structural od of construction that is still very much allowable tensile strength increase U.

Antiquated Structural Systems Series Part 9a – Open Web Steel Joists By D. Matthew Stuart, P.E., S.E., F. ASCE, SECB 1961 Introduction of the J-Series joists, which replaced the S-Series joists. The allowable tensile strength was increased from 20 ksi to 22 ksi. Introduction of the

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