A vertical cylindrical pile having a diameter of 0.4 m is installed in water that is 10 m deep. For an incident wave having a height of 2 m and a period of 8 s, determine the hori- zontal force experienced by the pile, per unit length, at mean water level at a. The peak of the waves b. The trough of the waves Also, determine the horizontal force experienced by the pile, per unit length, at the seabed. The kinematic viscosity of seawater may be taken as 1.5 x 10*m's and the density as 1028 kg/m'.

A vertical cylindrical pile having a diameter of 0.4 m is installed in water that is 10 m deep. For an incident wave having a height of 2 m and a period of 8 s, determine the hori- zontal force experienced by the pile, per unit length, at mean water level at a. The peak of the waves b. The trough of the waves Also, determine the horizontal force experienced by the pile, per unit length, at the seabed. The kinematic viscosity of seawater may be taken as 1.5 x 10*m's and the density as 1028 kg/m'.

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 18.10P

See similar textbooks

Similar questions

A steel pipe pile of 61 cm outside diameter with a wall thickness of 2.5 cm is driven into loose sand (D, = 30%) under submerged conditions to a depth of 20 m. The submerged unit weight of the soil is 8.75 kN/m' and the angle of internal triction is 33 The El value of the pile is 4 35 x 10 kg-em (4.35 x 10 MN-m). Compute the ground line deflection of the pile under a lateral load of 268 kN at ground level under a free head condition using the non-dimensional parameters of Matlock and Reese. The n, value from Fig. 163 for D, = 30% is 6 MN/m' for a submerged condition. %3D
An office building is to be supported on a series of 1.8-m diameter, 18.0-m long solid pipe pile that will be driven into the soil profile at this site as follows. The groundwater table is at a depth of 50 m. A dynamic testing with wave equation analysis has been conducted. The factor of safety for the driven pile is 2.5. Compute the allowable downward capacity of the driven pile. 4.0 m 12.0 m: 2.0 m Pipe Pile Clayed silt (CL) S = 70 kPa Silty clay (CL) S = 65 kPa Sandy Clay (CL) = 100 kPa S₁₁=
The pile P has a mass of 800kg and is being driven into loose sand using the hammer C which is dropped 0.5m from the top of the pile. Determine the required mass of the hammer to drive the pile into the sand by 34.8mm after one blow if the sand offers a frictional resistance against the pile of 18KN. The coefficient of restitution between the hammer and the pile is e = 0.1. Neglect the impulses due to the weights of the pile and hammer and the impulse due to the sand during the impact. 0.5 m
63.A timber pile of length 8m and diameter of 0.2m is driven with a 20 kN drop hammer, falling freely from a height of 1.5m. The total penetration of the pile in the last 5 blows is 40 mm. Use the engineering news record expression. Assume a factor of safety of 6 and empirical factor (allowing reducing in the theoretical set, due to energy losses) of 2.5 cm. The safe load carrying capacity of the pile
A 15 m long steel pipe pile of cross section of 0.6 m outside diameter is driven into a sand deposit. The pile penetration depth in sand deposit is 12 m. The pile is subjected to a lateral load of 45 kN at a height 3 m above the ground level. Known the information in the figure below, calculate the pile lateral deflection at the ground level (z = 0) and the pile bending moments at the depth of 1 m and 2 m below the ground level. Use the elastic solution method. Lateral Load Q = 45 kN 3.0 m z = 0 Ground Level Sand layer n = 10.5x103 kN/m³ 12.0 m Steel pipe pile E, = 20.0x10* MPa 4 = 1.0614x10-3 m
A 500 mm diameter and 20 m long concrete pile is driven into a sand where = 18.5 kN/m3 and = 32. Assuming = 0.7 and K = 1.5 Ko, determine the load carrying capacity of the pile with a factor of safety of 3.
A 400-mm diameter and 15 m long concrete pile is driven into a sand where = 18.0 kN/m3 and = 31. Assuming = 0.65 and K = 1.4 Ko, determine the load carrying capacity of the pile with a factor of safety of 3.
c. A concrete pile is 15m long and has 406 mm diameter circular cross section. The pile is fully embedded in sand, for which the unit weight y =18 kN/m³ and the frictional angle o = 30°. i. Calculate the ultimate point load Qp. ii. Determine the total frictional resistance Qs. iii. Determine the total ultimate load of the pile.
04: A 500 mm diameter and 20 m long concrete pile is driven into a sand where y-18.5 kN/m' and -32°. Assurning 6-0.80, determine the load carrying capacity of the pile, with a factor of safety of 3. Use Meyerhof's method for computing the point load-carrying capacity Qp, and use Coyle and Castello (1951) method for computing the foad-carrying capacity of the pile shaft 05
Q3: B- : For a given flow net of water flow around a sheet pile in Figure below, if the critical hydraulic gradient equal to 0.941, compute the minimum length of the sheet pile (d) which keep it safe against quick sand by Terzaghi's method. Sheet pile Ah 1.1m AC E Dxx2section Sandy soil 516 Impervious Layer
3. A 10.75 cm diameter steel pile is driven 25 m into stiff, insensitive clay. The pile has an average frietion capacity of 120 kPa and an ultimate tip end-bearing capacity of 7.4 kPa. The design parameters call for a factor of safety of 3. Most nearly, what is the allowable bearing capacity of the pile? (А) 43 kN (В) 120 kN (C) 260 kN (D) 340 kN А. В. С. D.
A 11-in. square concrete pile is driven into a clay deposit as shown in the figure below. The unit weight of the clay soil is 100 lb/ft³. The embedded length of the pile is 40 ft. Determine the pile's design capacity (kips), using a factor of safety of 2. HINT: from Figure 10-7, with c = 1 kip/ft², a = 0.83. Design = ? 40 ft TKN7. Clay 9. = 2000 lb/ft² →B, square Round your answer to ONE decimal place