Consider a drilled, rough concrete pile with diameter B = 1m and length D = 10m embedded in a site underlain by a 5m thick layer of sand with fiction angle = 41 degrees and Ko = 0.5 that lies over an 8m thick layer of clay with fiction angle = 36 degrees, Ko = 0.38, and Su = 70 kPa. Use the Kulhawy et al method. A. Determine the long term end bearing capacity of the pile. B. Determine the long term capacity of the pile. OCR = 1 Kulhawy et al (1983). This method considers the strength and the stiffness of the soil in 1 This is captured by the rigidity index, computed first, as follows (Vesic 1977): = Es 2(1+v)(o'zDtand')

Consider a drilled, rough concrete pile with diameter B = 1m and length D = 10m embedded in a site underlain by a 5m thick layer of sand with fiction angle = 41 degrees and Ko = 0.5 that lies over an 8m thick layer of clay with fiction angle = 36 degrees, Ko = 0.38, and Su = 70 kPa. Use the Kulhawy et al method. A. Determine the long term end bearing capacity of the pile. B. Determine the long term capacity of the pile. OCR = 1 Kulhawy et al (1983). This method considers the strength and the stiffness of the soil in 1 This is captured by the rigidity index, computed first, as follows (Vesic 1977): = Es 2(1+v)(o'zDtand')

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter18: Sheet-pile Walls

Section: Chapter Questions

Problem 18.5P: In Problem 18.4, find the maximum bending moment in the sheet pile and determine the required...

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3. Consider a drilled, rough concrete pile with diameter B = 1m and length D = 10m embedded in a site underlain by a 5m thick layer of sand with fiction angle = 41 degrees and K, = 0.5 that lies over an 8m thick layer of clay with fiction angle = 36 degrees, K₁ = 0.38, and Su = 70 kPa. Use the Kulhawy et al method. A. Determine the long term end bearing capacity of the pile. Ans. 5907 kN B. Determine the long term capacity of the pile. Ans. 6353 kN. Note: assume OCR = 1 when the OCR of a coarse grained soil is unknown (write this in your reader).
In Problem 18.4, find the maximum bending moment in the sheet pile and determine the required section modulus, assuming an allowable stress of 190 MN/m2. 18.4 Refer to Figure 18.13. Given L1 = 1.5 m, L2 = 3 m; for the sand, =33, =16.5kN/m3, sat=19.0kN/m3; and, for the clay, c=50kN/m2, =0, sat=20kN/m3. Determine the depth of sheet pile required, allowing for a 50% increase from the theoretical estimate.
A group pile in clay is shown in the figure below. Determine the maximum vertical load Qg be applied if the allowable consolidation settlement of the pile group is set to be 0.17 m. Use the 2:1 stress distribution method to estimate the average effective stress in the clay layer. can Qg 3 m Sand Groundwater y = 15.72 kN/m3 table Sand 3 m Ysat = 18.55 kN/m3 2.75 m X 2.75 m Group plan Normally consolidated clay Ysat = 19.18 kN/m³ 15 m 18 m eo = 1 C. = 0,8 Normally consolidated clay Ysat = 19 kN/m3 eo = 0.25, C. =1 5 m Rock
Consider a drilled, rough concrete pile with diameter B = 1m and length D = 10m embedded in a site underlain by a 5m thick layer of sand with fiction angle = 41 degrees and Ko = 0.5 that lies over an 8m thick layer of clay with fiction angle = 36 degrees, Ko = 0.38, and Su = 70 kPa. a. Determine the long term end bearing capacity of the pile. b. Determine the long term capacity of the pile.
Please answer 11.15 (Answer) 32.5kN
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Refer to Figure 18.13. Given L1 = 1.5 m, L2 = 3 m; for the sand, =33, =16.5kN/m3, sat=19.0kN/m3; and, for the clay, c=50kN/m2, =0, sat=20kN/m3. Determine the depth of sheet pile required, allowing for a 50% increase from the theoretical estimate.
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12.20 A 600 mm diameter and 25 m long driven concrete pile car- ries a column load of 1200 kN. It is estimated that the shaft carries 900 kN and the point carries 300 kN. Determine the settlement of the pile head using the Poulos and Davis method with the following data: E = 25 MN/m², Ep = 30,000 MN/m², and μ = 0.2
Determine the primary consolidation settlement for the 20 m long pile group shown below. Soil properties by layer are given in the figure, and the clay layers are normally consolidated. Assume a 2:1 load spread starting at a depth of 2/3 of the embedment depth, L. The pile group is square and has dimensions 2.6 m by 2.6 m in plan view. The groundwater table is 1 m below the ground surface. = 4000 kN 1 m Sandy soil Y =18.5 kN/m³ Q'=330 V W.T. 7 m -Group.. piles Clay 1 Y =17.2 kN/m3 e=0.83 C= 0.23 L= 20 m Ax B = 2.6 m x 14 m 2.6 m Clay 2 Y =17.5 kN/m3 e,=0.78 C=0.22. 8 m Clay 3 Y =18.0 kN/m? eo=0.76 C=0.20 12 m Rock