American Society of Civil Engineers

Soil Vertical Stress Influence Charts for Rectangles

by Alfreds R. Jumikis, F.ASCE, (Prof. of Civ. Engrg., Rutgers Univ.—State Univ. of New Jersey, New Brunswick, NJ)

Journal of the Soil Mechanics and Foundations Division
, Vol. 97, No. 2, February 1971, pp. 521-528

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Document type: Technical Note
Abstract: To determine quickly the σ stress, and at the same time to plot vertical stress fields, the author presents herein corresponding σZo ratio influence value tables for a uniformly loaded rectangular area with a contact pressure intensity on the soil of σo = 1.00000 = const. A σZo influence value chart for a uniformly loaded square area (A/B = 1.0), and two σZo influence value charts for a rectangular area characterized by A/B = 1.5 as examples of σZo values in vertical planes X = 0 passed through the center O(0;0) of the rectangular parallel to the short (2B) side of the rectangles.

ASCE Subject Headings:
Graphic methods
Soil stress