Design Recommendations for Steel Deck Floor Slabsby Max L. Porter, (A.M.ASCE), Asst. Prof. of Civ. Engrg.; Iowa State University, Ames, Iowa,
Carl E. Ekberg, Jr., (F.ASCE), Prof. and Head; Dept. of Civ. Engrg., Iowa State Univ., Ames, Iowa,
Serial Information: Journal of the Structural Division, 1976, Vol. 102, Issue 11, Pg. 2121-2136
Document Type: Journal Paper
The recommendations are based on the steel deck serving as the structural load-carrying element during the construction phase and the composite steel-deck concrete floor slab serving as the load-carrying element for the service-load phases. The recommendations focus on application of strength principles based upon data obtained from performance tests for the shear-bond and flexural failure modes. The design equations for the shear-bond capacity are derived from data obtained by means of a performance test series. A plot of the parameters, Ves/bd(f߱c)0.5 and ρd/L߱(f߱c )0.5, is made and a linear regression is performed to determine the slope and intercept constants needed for design. A separate regression is necessary for each steel deck profile; and, in addition, a separate regression is suggested for each steel gage thickness, steel surface coating, and concrete type. Additional recommendations presented consider construction, shoring, deflections, and span-to-depth ratios.
Subject Headings: Steel decks | Floors | Slabs | Regression analysis | Bonding | Steel construction | Flexural strength | Structural members | Load bearing capacity | Structural steel
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