6.7.Calculate the induced vertical stress at point A at a depth of 5 feet. Thesurface stress in the shaded areas is 3000 lb/ft2. Hint: The contributions ofthe shaded areas must be calculated separately and then added together.The contribution from the lower area will require the use of imaginaryrectangles. (Answer: 1892 lb/ft2, yours may differ slightly)Four 40' diameter fuel tanks are constructed in a square pattern. The tanks apply amaximum surface pressure of 5000 lb/ft2. The spacing of the tanks is 50 feet center-center. What is the induced vertical stress beneath the center of the area at depths of 20feet and 50 feet? (1400 and 1700 lb/ft2, some variation expected from chart reading)

Using stress influence chart for stresses under corner of a rectangular footing with uniform loading…

Calculate the induced vertical stress at point A at a depth of 5 feet. The surface stress in the shaded areas is 3000 lb/ft2. Hint: The contributions of the shaded areas must be calculated separately and then added together. The contribution from the lower area will require the use of imaginary rectangles. (Answer: 1892 lb/ft², yours may differ slightly) A 3

Calculate the induced vertical stress at point A at a depth of 5 feet. The surface stress in the shaded areas is 3000 lb/ft2. Hint: The contributions of the shaded areas must be calculated separately and then added together. The contribution from the lower area will require the use of imaginary rectangles. (Answer: 1892 lb/ft², yours may differ slightly) A 3

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter6: Vertical Stress Increase In Soil

Section: Chapter Questions

Problem 6.7P: Use Eq. (6.14) to determine the stress increase () at z = 10 ft below the center of the area...

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