I need detailed explanation solving this exercise from Foundation Engineering, step by step please. 2. Determine the bearing capacity from the pile load test results in the following figure and equationusing Davisson's method.Pile load test:Su =4+ +D120QuLAp EpThe pile tested is a 30 m precast concrete pile of 0.3 m diameter. The elastic modulus of the pile Ep is 30× 106 kN/m². Submit the sheet below.Settlement (mm)Load (kN)050010000Сл510Settlement (mm)151520202530351500200025003000

Give Dataoffset line occurs around 1600 kN.

Answered: 2. Determine the bearing capacity from…

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter12: Pile Foundations

Section: Chapter Questions

Problem 12.22P

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Refer to the pile shown in Figure P9.1. Estimate the side resistance Qs by Using Eqs. (9.40) through (9.42). Use K = 1.5 and Coyle and Castello’s method [Eq. (9.44)]
Consider a 500 mm diameter pile having a length of 18 m in a clay. Given: γ = 20.0 kN/m3 and cu = 60 kN/m2. Determine the maximum allowable load (Qall) with FS = 3. Use the α method and Table 12.11 for determining the skin friction and Eq. (12.20) for determining the point load. Allow a factor of safety of 3. What percentage of the ultimate load is being carried by the pile shaft? Is it a friction pile?
A steel pile (H-section; HP 360 1.491; see Table 18.1) is driven into a layer of sandstone The length of the pile is 18.9 m. Following are the properties of the sandstone: Unconfined compression strength = qu(lab) = 78.7 MN/m2 Angle of friction = 36 Using a factor of safety of 3, estimate the allowable point load that can be carried by the pile. Use Eq. (18.42).
Determine the maximum load that can be allowed on a 450 mm diameter driven pile shown in Figure P12.6, allowing a factor of safety of 3. Use K = 1.5 Ko and = 0.65 in computing the shaft load. Use Meyerhofs method for computing the point load.
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Figure 18.26a shows a pile. Let L = 20 m, D = 450 mm. Hf = 4m, f = 17.5 kN/m3, fill = 25. Determine the total downward drag force on the pile. Assume that the fill is located above the water table and that = 0.5 fill. FIG. 18.26 Negative skin friction
Redo Problem 18.10 using the method for estimating the skin resistance. 18.10 A concrete pile 15 m long with a cross section of 380 mm 380 mm is fully embedded in a saturated clay layer. For the clay, sat = 18 kN/m3, = 0, and cu = 80 kN/m2. Assume that the water table lies below the tip of the pile. Determine the allowable load that the pile can carry (FS = 3). Use the a method to estimate the skin resistance.
A 20 m long bored concrete pile having a diameter of 350 mm is load tested, and the data are given below: Load (kN) 0 250 500 750 1000 1250 1000 750 500 250 0 Settlement (mm) 0 2.0 5.0 8.2 15.0 39.6 39.5 38.2 37.5 36.1 35.5 Given: Econcrete = 25 x 103 MN/m2 . a. Estimate the allowable pile load using Davisson's (1973) method, with FS=2.5. b. At the maximum load of 1250 kN, what are the total and net settlements?
A square pile group of 16 piles penetrates through a filled up soil of 3 m depth. The pile diameter is 250 mm and pile spacing is 0.75 m. The unit cohesion of the material is 18 kN/m² and the unit weight of the soil is 15 kN/m². Compute the drag down force on the group.
The soil profile and soil properties at a site are shown in the table below. A group of 12 concrete piles in a 3 x 4 matrix and of length 12 m is used to support a load. The pile diameter is 0.45 m and pile spacing is 1.5 m.Determine the allowable load capacity for a factor of safety of 2. Calculate the total settlement (elastic and consolidation) under the allowable load. Assume Ep = 20 x 106 kPa.
Q1- Determine the allowable bearing load of the pile shown in figure Q1 using all the possible methods of solution. Mention the method used, and draw clear labeled drawings to clarify your calculations.
Please solve it complete in one hour

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