CEG3011 Homework 8

CEG3011 Homework 8 - at point A with the following values q...

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CEG 3011 Spring 2010 Soil Mechanics Homework 8 (April 6 th , 2010 ) Problem 1 A soil profile is shown in Below. Calculate the values of σ , u, and σ ’ at points A, B, C, and D. Plot the variation of σ , u, and σ ’ with depth. A Dry Sand γ d = 17.3 kN/m 3 Groundwater table 4m B 5m C Rock 6m D Sand γ sat = 18.9 kN/m 3 Clay γ sat = 19.7 kN/m 3
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Problem 2 A soil profile is shown Below. (a) Calculate the total stress, pore water pressure, and effective stress at points A, B, and C. (b) How high should the groundwater table rise so that the effective stress at point C is 104 kN/m 2 ? A Dry Sand e = 0.61 G s = 2.66 Groundwater table 4m B Saturated Sand e = 0.48 G s = 2.67 5m C Clay
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Problem 3 Determine the vertical stress increase,
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Unformatted text preview: , at point A with the following values: q 1 = 60 kN/m x 1 = 1.5 m z = 1.5 m q 2 = 40 x 2 = 0.5 m Line load = q 1 Line load = q 2 x 1 z A x 2 Problem 4 Consider a circularly loaded flexible area on the ground surface. Given radius of circular area, R = 3 m, and uniformly distributed load, q = 250 kN/m2, calculate the vertical stress increase, , at a point located 2.5 m below the ground surface (immediately below the center of the circular area). Problem 5 Refer to Figure 3. Given B = 4 m, q = 20kN/m2, x = 1.5 m, and z = 2 m, determine the vertical stress increase, , at a point A....
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This note was uploaded on 10/29/2011 for the course CEG 3011 taught by Professor Staff during the Spring '07 term at FSU.

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CEG3011 Homework 8 - at point A with the following values q...

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