to support a permanent axial load of 2200 kN and variable load of 1000 KN from a 500 x 500 mm reinforced concrete column. Choose 600 mm diameter reinforced concrete bored piles with service load capacity of 2000 KN. Soil condition shows that alpha value (or k) can be taken as 3. Determine the suitable number of pile and size of pile ca

Q: Example 3 A 12 m prestressed concrete pile 450 mm square is installed in a clay with water table at…

A: given- 12 m prestressed concrete pile450 mm squareclay with water table at 5 m depthupper clay layer…

Q: (a) Determine the allowable load-carrying capacity of the bored concrete pile for: embedded length =…

A:

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: A solid steel pile (E = 200 GPa) with uniform diameter of 100 mm is driven into a soil layer and…

A: The given data is as follows: E=200 GPaDiameter of pile=100 mmVertical force=40 kNFrictional…

Q: An 18-in.-diameter, closed-ended steel pipe pile is driven 45 ft through soft sandy silt to bear on…

A: The tip resistance is generally obtained by the force required to push the tip of the cone…

Q: A group of 16 piles is arranged in a square pattern. The pile diameter is 350 mm. The length of pile…

A: The diameter of each pile, Total number of pile, The center-to center distance of pile is 1 mThe…

Q: A square pile group of 9 piles passes through a recently filled up material of 3.5 m depth. The…

A: A square pile group of 9 piles,Depth of pile = 9 m,Depth of soil fill =3.5 m,Diameter of the pile=30…

Q: Determine the ultimate bearing load of the pile using Tomlinson for a 12.5-m closed-end steel pipe…

A:

Q: A reinforced concrete pile weighing 30 kN is driven by a drop hammer weighing 40 kN and having an…

A: Ultimate bearing capacity : The maximum gross pressure strength at the foundation's base at which…

Q: Evaluate the resisting capacity against axial load in kN, due to skin friction of a round wooden…

A:

Q: exampley Determine the ultimate load of closed ended pipe pile using the Static load test data of…

A:

Q: a) A group of 9 piles (piled foundation) with 3 piles in a row was driven into a soft clay extending…

A: As per authoring guidelines, if the question number is not specified, the first question or three…

Q: A 50 cm square prestressed concrete pile will be driven 20 m into the soil profile below. (water…

A: Given: A_b = (50 cm)2 / (100 cm/m)2 * pi / 4 = 0.196 m2 c' = 4 kPa (using ϕ= 28 deg) N_c = 14.7 N_q…

Q: (b) A single test pile, 300 mm diameter, is driven through a depth of 8 m of clay which has an…

A:

Q: A 600 mm square prestressed concrete pile is to be driven to a depth of 20.0 m into the follow- ing…

A: Given:- groundwater table depth = 5m Factor of safety  = 3 To find:- ASD allowable downward load

Q: Steel pipe piles are to be used as friction piles (i.e., pile capacity is from shaft resistance…

A: The ultimate bearing capacity for pile foundation is given by,

Q: 525 kN Medium clay 5 m Cu = 60 kPa Stiff clay Cu = 100 kPa

A:

Q: The diamter of precast round piles under pile cap is 400mm, the embedded depth of cap bottom is…

A: D(dia of pile) = 400mm = 0.4m Qu = 9 x qpa x Ab + α qsia x As

Q: The diamter of precast round piles under pile cap is 400mm, the embedded depth of cap bottom is…

A: D(diameter of pile) = 400mm = 0.4mdepth of cap= 1.5 ml1=8m and l2=2mTo find:bearing capacity

Q: Problem 1 Pre-stressed concrete piles are planned for use as the foundation for a waterfront…

A: Given data in question  Unit weight  Side of pile Length Constant values To find out  Skin friction…

Q: In a 16 (4 x4) piles group, the pile diameter is 0.4 m and center to center spacing of piles in the…

A:

Q: A 16 in diameter, 75 ft long drilled displacement pile is made of grout with f'c = 5,000 lb/in2. A…

A: Solution Given Data diameter= 16 in Long= 75 ft  f'c = 5,000 lb/in2 Steel ratio= 0.04

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.