A square column foundation with base of 1.33 m is shown in the figure. It carries an axial load of 455 kN and has its bottom resting on the ground water table located h1 = 1.5 m. below the ground surface. h2 = 0.8 m and h3 = 2.4 m. Compute the average increase in pressure in KPa in the clay layer below the center of foundation using the 2:1 method. | P [11 ✓ ka h1 h3 Dry Sand Wet Sand Clay

A square column foundation with base of 1.33 m is shown in the figure. It carries an axial load of 455 kN and has its bottom resting on the ground water table located h1 = 1.5 m. below the ground surface. h2 = 0.8 m and h3 = 2.4 m. Compute the average increase in pressure in KPa in the clay layer below the center of foundation using the 2:1 method. | P [11 ✓ ka h1 h3 Dry Sand Wet Sand Clay

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter8: Vertical Stress Increase In Soil

Section: Chapter Questions

Problem 8.11P

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Consider a continuous foundation of width B = 1.4 m on a sand deposit with c = 0, = 38, and = 17.5 kN/m3. The foundation is subjected to an eccentrically inclined load (see Figure 6.33). Given: load eccentricity e = 0.15 m, Df = 1 m, and load inclination = 18. Estimate the failure load Qu(ei) per unit length of the foundation a. for a partially compensated type of loading [Eq. (6.89)] b. for a reinforced type of loading [Eq. (6.90)]
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A 4.5 m square foundation exerts a uniform pressure of 200kN/m2 on soil. Determine; i. The vertical stress increments due to the foundation load to a depth of 10m below its center. ii. The vertical stress increment at a point 3m below the foundation and 4m from its center a long one of its axes of symmetry.
Consider a continuous foundation of width B = 1.4 m on a sand deposit with c' = 0, Φ' = 38° and γ = 17.5 kN/m3. The foundation is subjected to an eccentrically inclined load (see Figure 4.31). Given: load eccentricity e = 0.15 m, Df = 1 m, and load inclination β = 18°. Estimate the failure load Qu(ei) per unit length of the foundation a. for a partially compensated type of loading [Eq. (4.85)] b. for a reinforced type of loading [Eq. (4.86)]
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a 6m square foundation exerts a uniform pressure of 300kPa on a soil.Determine a.vertical stress increments due to the foundation load to a depth of 10m below its center
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