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.
Q1/ For the footing shown in Figure (1), estimate the pile group capacity. 0.6m dia bored pile Clay c=80 kN/m² y-17kN/m² S=1.5 m T L=12 m
Please answer 11.15 (Answer) 32.5kN
A 50 cm square precast pile is driven by 9 m into a sandy soil. The standard penetration test results, prformed on this ground, are given in the table below: Depth below ground surface (m) SPT (Nss) 1.5 3.0 4.5 4 6 6.0 12 12 20 24 35 39 If the skin resistance is equal to {T, = 2 x (average Nss along the pile shaft)) kPa. Compute the factor of safety available, if 1100 kN of compressive load is applied on this pile. 7.5 9.0 10.5 12.0
I need detailed explanation solving this exercise from Foundation Engineering, step by step please.
A frictional pile with a circular cross-section (diameter D) is pushed into the soil to a distance (L) and then it is subjected to an axial force (P) on its top end. Derive a formula to calculate the normal stress in any section x. P fN, D Cross section
2. Consider a group of 450 mm x 450 mm reinforced concrete piles were driven into thick loose sand layer with the average unit weight and internal friction angle of 16 kN/m3 and 30°, respectively. Estimate the group pile capacity with the arrangement as shown in Figure Q2 if the length of pile embedment is 30 m assuming ground water table is far below the ground surface. Use 8 = 0.80 and K = 1.5Ko. 3B 3B 3B 1 3 3.5B b 'P 9. 10 11 a 3.5B 2 4 1.5B 1.5B 1.5B 1.5B 1.5B 1.5B Figure Q2
A 30 m long concrete pile is 305 mm times 350 mm in cross section and is fully embedded in a sand deposit. Using Broms' method, calculate the allowable lateral load Q_g (take FS = 2) at the ground level. Assume the pile is flexible and restrained. Let the soil unit weight, gamma = 16 kN/m^3, the soil friction angle, Phi' = 30^degree; and the yield stress of the pile material, F_y = 21 MPa,
A 16 in diameter, 55 ft long drilled displacement pile is to be constructed in the following soil profile. Depth (ft) Soil Description Unit Weight (lb/ft3) Undrained Shear Strength (lb/ft2) 0–10 Sandy silt 115 800 10–35 Silty clay 105 4000 35–50 Silty clay 112 1500 50–65 Clay 115 2000 The groundwater table is at a depth of 10 ft. Using a factor of safety of 3.0, determine the ASD allowable downward load capacity.