Simplified Design of Combined Footings

by Fritz Kramrisch,
Paul Rogers,

Serial Information: Journal of the Soil Mechanics and Foundations Division, 1961, Vol. 87, Issue 5, Pg. 19-44

Document Type: Journal Paper


An empirical method for the evaluation of moments and contact pressures due to subgrade reactions is presented for combined footings conforming to certain stipulated limitations regarding continuity, rigidity, and variations in loading or column spacing. The values, although developed for continuous beam footings, can also be applied to grid or mat foundations. The results obtained by the empirical method are compared with those obtained by elastic analysis and are found sufficiently accurate for practical purposes.

Subject Headings: Foundation design | Footings | Empirical equations | Continuous beams | Elastic analysis | Moment (mechanics) | Contact mechanics | Subgrades

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