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?

Q: 6) A 2-ft x 2-ft square concrete pile is shown. Ignore the resistance of the soft clay. Assume Nq=…

A: B = 2 ft  Nq = 10 FS = 3

Q: he soil profile and soil properties at a site are shown in the table below. A group of 12 concrete…

A: Given data : Number of Piles : 12 3 x 4 matrix L = 12m D = 0.45m Pile spacing 1.5m   S = 3D =…

Q: Estimate the pile length required to carry the 900 kN axial load for the pile-soil system shown the…

A: Given the details of Soil profile as:Soil 1:C= 35 kPaSoil 2:C= 45 kPaSoil 3:C= 55 kPaSoil 4:C= 60…

Q: Consider a precast concrete pile that is 0.505 m X 0.505 m in cross section driven in a homogeneous…

A: The following are the given information, Pile Cross section = 0.505 m x 0.505 m Homogeneous sand…

Q: Calculate the load bearing capacity of the pile shown in Figure Q5. Assume that it is a bored pile,…

A: Given, L = 18.5 m B = 0.60 m

Q: 2. Consider a group of 450 mm x 450 mm reinforced concrete piles were driven into thick loose sand…

A: Given data,  size of pile=450 mmx 450mm unit weight of loose sand soil,γ=16 kN/m3 Internel friction…

Q: 13) A cylindrical pile of diameter 0.3 m is driven to a depth of 15 m in to an NC clay as shown in…

A: Given; Diameter of pile (d) =0.3 m Depth of the pile (l) = 15 m Factor of safety (Fs) = 3

Q: Question 3 A nine-pile group arranged in a square pattern is used as a foundation for a column in…

A: Given- 9-pile group arranged in a square pattern, Foundation in sand, Diameter d=300 mm=0.3 m,…

Q: A 16 in diameter, 55 ft long drilled displacement pile is to be constructed in the following soil…

A: Calculate the Toe Bearing capacity: The construction method for DD piles does not provide any…

Q: A pile of diameter 457 mm is fully embedded in a clay strata as shown in figure. C- 25 kN/m y= 16…

A:

Q: The pile group shown consists of 12 friction piles each 0.3 m diameter. Each pile is driven clay…

A:

Q: Design the anchored sheet pile wall supporting a loose sand fill as shown in the following Figure.…

A:

Q: A group of nine piles is arranged in a square pattern and is used as a foundation for column in…

A: Given-9-pile group arranged in a square pattern,Foundation in sand,Diameter d=350 mm=0.350m,Spacing…

Q: X XXXX 4m 5m 6 m XX Key: PILE I Soil 1 c = 35 kPa Y = 16.79 kN/m³ Soil 2 GROUND LEVEL Soil 3 c = 45…

A: Soil profile:Soil 1:C= 35 kPaSoil 2:C= 45 kPaSoil 3:C= 55 kPaSoil 4:C= 60 kPa

Q: A bored pile is shown in the figure. The diameter of the pile is 60 cm. Calculate the ultimate…

A: Given data:- Diameter of the pile, D = 60 cm = 0.6 m Assume Dcr = 20×D The soil motion angle, δ =…

Q: Problem 1. A 12-m-long 356-mm-diameter concrete pile is shown in Figure below. Estimate the…

A: ###Allowable Bearing Capacity of soil for pile in  Cohesionless Soil###

Q: A square pile (B=0.3m) is installed in a silty sand with a friction angle of approximately 28 and no…

A: Width of pile (b) = 0.3 mFriction angle (ϕ) = 28°Cohesion (c) = 0Unit Weight (γ) = 19 kN/m3Length of…

Q: A 11-in. square concrete pile is driven into a clay deposit as shown in the figure below. The unit…

A: A concrete pile of length, L 40 ft and 11 in square concrete pile is embedded in the clay soil. The…

Q: Determine the maximum load that can be allowed on a 45cm x 45cm diameter bored pile shown in…

A: Calculate the ultimate load carrying capacity of the bored pile, Qu = 133NAb + 0.67N'As N - SPT N…

Q: A rectangular pile (0.5mx0.83m) is driven in a clayey soil arrangement composed of two different…

A:

Q: A concrete bored pile has a diameter of 800 mm as given in the figure below. Calculate the ultimate…

A: Solution Given Data Diameter= 800 mm=0.8 m

Q: QUESTION 3: Three forces act on a pile as shown. If the resultant of the three forces is equal to…

A: An arrangement of forces have been given and it has been asked to determine missing force and its…

Q: Design a reinforced concrete footing supported on piles. The column is 600 mm square and exerts a…

A: Solution: Given: fc = 28 MPa fy = 414 MPa Bearing capacity of pile = 95 kN Factored load = 800 kN…

Q: Figure below shows a precast circular pile is driven into two clay stratums to a depth of 14 m. the…

A:

Q: A concrete pile 20 m long having a cross section of 0.46 m x 0.46 m is fully embedded in a saturated…

A:

Q: Please help me solve The soil profile and soil properties at a site are shown  in the table below.…

A: Given data Number of Piles =12 n a 3 x 4 matrix L = 12m D = 0.45m Pile spacing 1.5m

Q: c. A concrete pile is 15m long and has 406 mm diameter circular cross section. The pile is fully…

A:

Q: A square pile group of 16 piles penetrates through a filled up soil of 3 m depth. The pile diameter…

A:

Q: In the soil illustrated in the picture below, a 60-foot-long drilled pile is to be built using the…

A: Length of pile= 60 feet Diameter of pile=24 inch= 2 feet Diameter of pile at bottom=60 inch= 5 feet…

Q: A concrete pile group 3x3 with spacing of 0.6m is used to support a wind turbine in a sand deposit.…

A: A.  The maximum allowable lateral deflection for each pile can be determined using the lateral…

Q: A concrete pile 15.24 m long having a cross section of 406 mm x 406 mm is fully embedded in a…

A: Given Data: The length of a concrete pile is ∆L=15.24 m. The cross-section area of the pile is…

Q: 7. A 12m long concrete pile with diameter = 0.45m is drilled into normally consolidated clay with S,…

A:

Q: G.W.T. Clay C, = 50.3 kN/m² Ysat = 17.6 kN/m³ 4.57 m Clay C, = 85.1 kN/m² Ysat = 19.02 kN/m³ 13.72…

A:

Q: Problem 2. A concrete pile 16 in. × 16 in. in cross section is shown in Figure below. Calculate the…

A: Width of pile,B = 16 in = 16/12 ft              Cross section area of pile = Base area of pile, Ab =…

Q: A circular pile is to be driven upto a depth of 10 m at a construction site. The average surface…

A:

Pricing Excavation and Backfill

Backfill, in construction, is the activity of returning the soil and gravel that are removed during building construction or using them again to toughen and support the foundation of the building or any other structural component.