Answer the following questions – showing in order, complete and correct handwritten solutions. Use one bond paper perproblem and follow necessary formats.1. Refer to the pile shown in the figure. Estimate the side resistance when K = 1.3 and 8'=0.8ØConcrete pile356 mm x 356 mmLoose sanddi = 30y= 17.5 kN/m12 mDense sandd = 42"y = 18.5 kN/m2. Consider a pipe pile havıng an outside diameter of 500mm. The embedded length of the pile in layered saturated clayIs 22m. The followng are the details of the subsoil:Cu, kPaDepth from ground surface(m)Saturated unit weight, kN/m30-316253-10174310-301885Compute for the pile tıp capacıty bya) Meyerhof's andb) Vesic's 3. A dnven closed-ended pile, circular in cross section, is shown.Calculate the following.a. The ultimate point load using Meyerhof's procedure.b. The ultimate point load using Vesıc's procedure. Take ,= 50.c. An approximate ultımate point load on the basıs of parts (a) and (b).d. The ultımate frictional resistance Qs, K= 1.4; 8'=0.8Ø'e. The allowable load of the pile (use FS= 4).y = 15.7 kN/m= 32°c' = 03 mGroundwatertable- 18.2 kN/mYsat6' = 32°c' = 03 mYat - 19.2 kN/m³' = 40"c' = 015 m381 mm

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Answer the following questions – showing in order, complete and correct handwritten solutions. Use one bond paper problem and follow necessary formats. 1. Refer to the pile shown in the figure. Estimate the side resistance when K = 1.3 and 8'=0.8Ø Concrete pile 356 mm x 356 mm Loose sand di = 30 y = 17.5 kN/m 12 m Dense sand d = 42" y= 18.5 kN/m

Answer the following questions – showing in order, complete and correct handwritten solutions. Use one bond paper problem and follow necessary formats. 1. Refer to the pile shown in the figure. Estimate the side resistance when K = 1.3 and 8'=0.8Ø Concrete pile 356 mm x 356 mm Loose sand di = 30 y = 17.5 kN/m 12 m Dense sand d = 42" y= 18.5 kN/m

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 12.31P: Redo Problem 12.30 assuming that the water table coincides with the top of the fill and that...

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Redo Problem 12.30 assuming that the water table coincides with the top of the fill and that sat(fill) = 19.8 kN/m3. If the other quantities remain the same, what would be the downward drag force on the pile? Assume ' = 0.5fill. 12.30 Figure 12.49a shows a pile. Let L = 15 m, D (pile diameter) 305 mm, Hf = 3 m, fill = 17.5 kN/m3, and fill = 25°. Determine the total downward drag force on the pile. Assume that the fill is located above the water table and that = 0.5fill.
Refer to the pile shown in Figure P 9.1. Estimate the side resistance Qs bya. Using Eqs. (9.40) through (9.42). Use K = 1.5 and ẟ' = 0.6 Φ'b. Coyle and Castello’s method [Eq. (9.44)]
Redo Problem 9.23 assuming that the water table coincides with the top of the fill and that γsat(fill) = 19.8 kN/m3. If the other quantities remain the same, what would be the downward drag force on the pile? Assume ẟ' = 0.5 Φ'fill.
Please help me solve 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 520 x 106 kPa.
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?
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
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)]
Determine the maximum load that can be allowed on the 450 mm diameter pile shown in Figure P12.9, with a factor of safety of 3. Use the α method and Table 12.11 for determining the skin friction and Eq. (12.20) for determining the point load.
A circular pile having a diameter of 0.33 m is 14.21 m long which is embedded in a layer of dense compacted sand having the given properties. Soil properties: Lateral pressure factor, K = 3.53 Nq = 99 Specific gravity, Gs= 2.61 Void ratio, e =1.21 Saturation above the GWT = 0.41 Ground water table (GWT) is located 3.58 m below the ground. Use unit weight of water = 9.81 kN/m3 Coefficient of friction = 0.41 Factor of safety = 3.98 Calculate the allowable capacity of the pile in kN.
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.
20 A rectangular pile (0.75 x 0.93 m.) is driven in a clayey soil arrangement composed of two different layers. First layer has a height of 5 m., cohesion of 53 kPa, friction factor of 0.88. Second layer has a height of 8 m., cohesion of 78 kPa, and friction factor of 0.84. Compute the allowable load that the pile can carry if the factor of safety is 2.17. Round off to two decimal places.
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?