American Society of Civil Engineers

Yield-Line Analysis of Slabs-on-Grade

by Robert A. Baumann, (Staff Engr., Lantz, Jones and Nebraska, Inc., Columbus, Ohio) and Frank E. Weisgerber, (Asst. Prof. of Civ. Engrg., Mail Location 71, Univ. of Cincinnati, Cincinnati, Ohio 45221)

Journal of Structural Engineering, Vol. 109, No. 7, July 1983, pp. 1553-1568, (doi:

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Document type: Journal Paper
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Abstract: A yield line method is developed to analyze reinforced concrete slabs-on-grade to determine collapse loads. The particular cases discussed are: (1) A one-way slab with a line load at mid-span; (2) a slab with a central load; (3) a slab with a load at a free edge; and (4) a slab with a load at a free corner. For each case, an expression for the collapse load is given in terms of material and geometric parameters. Plots of collapse load magnitude versus a load distribution parameter are presented for the proposed analysis method and compared to analyses found in previous literature.

ASCE Subject Headings:
Engineering mechanics
Limit design
Reinforced concrete