Q Y- 17.5 kN/m Cohesion = 28 kPa a - 0.95 Y= 17.8 kN/m w = 25% & Gs = 2.6 Cohesion = 35 kPa a = 0.85 %3D Ya- 20.49 kN/m Cohesion - 68 kPa a- 0.55 t3.4am/2.89m 9.87m

Q: A circular pile of diameter 0.6 m and length 8 m was constructed in a cohesive soil stratum having…

A: we have to determine the allowable load

Q: A 0.45m square pile is to be driven at a depth of 10m into the soil. What is the allowable pile…

A: B (size of pile) = 0.45m d (depth of pile) = 10m FOS = 3

Q: A 12 inch diameter concrete pile is to be driven into a clay deposit as shown in Figure 2. The…

A:

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

A:

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: rectangular pile (0.54 x 0.63) is driven in clayey soil arrangement composed of two different…

A:

Q: What is the design capacity of a square pile 0.3 x 0.3 m if it has a skin fiction of 660 KN. Assume…

A:

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: A 30 m long concrete pile is 305 mm times 350 mm in cross section and is fully embedded in a sand…

A: Solution Given data length= 30 m cross section= 305mm*350 mm FOS= 2 ϕ= 300 fy= 21 MPa γ= 16 KN/m3

Q: Q-4: A precast concrete pile of size 50 cm x 50 cm is to be driven into clay strata whose unconfined…

A:

Q: A 30-m-long concrete pile is 305 mm x 305 mm in cross section and is fully embedded in a sand…

A: Solution; Find the moment of inertia of the pile using relation; Ip=B412 Here the moment of inertia…

Q: A 600 mm square prestressed concrete pile is to be driven to a depth of 18 m into the following soil…

A: (i)  Skin friction( Qs):QS=QS1+QS2+QS3+QS3for top clayey silt    QS1=αCAShere,       C =35 KPa  and…

Q: Solve Problem 9.16 with the following: length of pile = 15 m, pile cross section = 0.305 m x 0.305…

A: Calculate the elastic settlement by using the equation Se=Se1+Se2+Se3…

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

A:

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

A:

Q: The unit adhesion developed between clay and pile shaft of a friction pile embedded 10m into a…

A:

Q: A 16 in diameter, 45 ft long drilled displacement pile is to be constructed in a silty sand with 30…

A: Given- d=16 inl=45ftd=20ftFOS=2.8

Q: An 18" square solid concrete pile is driven with an impact hammer to a depth of 55ft below grade…

A: Solution: Considering the Diagram: Qp=qpApqp=σvo'      Nq*≤0.5pa  Nq*tanφ…

Q: The section of 4*5 group pipe pile, each 15 m in long, embedded in clay layer, the diameter of pile…

A: The given data is: The length of piles=15 m Diameter of pile=403 mm=0.403 m C/C spacing=700 mm=0.7 m…

Q: layey so friction factor of 0.81. Compute the allowable load that the pile can carry if the factor…

A:

Q: A cast-in-situ bored pile 0.50 m diameter and 10 m deep is placed in a purely cohesive soil. If the…

A: Given that, Diameter of the pile= 0.5m Cohesion of the pile Cu = 4t/m² Ultimate bearing capacity of…

Q: A single pile, 50 cm in diameter and 15 m long is driven in clay having an average unconfined…

A: Pile foundation case-Diameter d=50 cm=0.50 m,Length L=15 m,UCS qu=100 kPa,Shear mobilization factor…

Q: A square pile of section 30 cm x 30 cm and length 10 m penetrates a deposit of clay having c = 5…

A: We have to calculate the load

Q: A nine-pile group composed of 0.30 m diameter pipe piles is embedded 15 m in clay soil with…

A: Data given: Diameter of the pile = 0.3 m Total depth D = 15 m Asked: Total capacity of pile act…

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: A concrete pile 458 mm by 458 mm square cross section is embedded in a saturated clay. The length…

A: Given data- A concrete pile 458 mm by 458 mm square cross-section. Saturated clay. The length of the…

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: An HP 13 * 60 pile is made of steel with fy = 50 k/in2 and is to be loaded in compression only…

A: Calculate the maximum allowable compressive load on pile using the equation P = fu × A ..... (1)…

Q: A rectangular pile (0.88 x 0.68 m.) is driven in a clayey soil arrangement composed of two different…

A:

Q: ndrained cohesion, Cu of clay is 60 kN/m2, and the unit weight of clay is 18 kN/m2. Use a factor of…

A: Given data Cohesion, C=60kN/m2 unit weight of clay=18kN/m2 Factor of safety=5

Q: A 24 inch square prestressed concrete pile is to be driven to a depth of 68 ft into the following…

A: Square pile of size 24 in x 24 in  Factor of safety is 3

Q: Determine the design capacity of the pile group shown below. The pile cap thickness is 1.5 meters,…

A: Given, Diameter of piles= 350 mm Length of piles= 12 m K=3 αc=0.5 FOS=3 Number of piles= 6…

Q: Design a pile foundation for 5000k point load. Assume that the pile is embedded in a saturated…

A: pile foundation  1- end bearing pile - these type of piles rest over the stiff and hard strata. 2-…

Q: Using Engineering News formula, the allowable load (Qa) of a wooden pile hammered with a drop hammer…

A: Given that :- W = 30 kN Free fall =  H = 1.5 m Penetration in last blow = S = 5 mm Empirical…

Q: Q.3 of piles is 24m and the diameter of piles is 0.8m. Piles are spaced at 2.5m and total load…

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: A concrete pile having a diameter of 0.30 m is to be driven into a loose sand having a unit weight…

A:

Q: 17) The friction load capacity of the pile using the B-method is most nearly: a. 437 kN b. 927 kN c.…

A: To determine- Friction load capacity

Q: 1- Find the ultimate capacity of the pile below using A- Meyerhof B- Vesic C- Coyle and Castello…

A: Given:- The dimension of the concrete pile = 0.46 m × 0.46 m  The length of the pile = 20 m  The…

Q: Determine the allowable bearing load of the pile shown in figure Q1 using all the possible methods…

A: The soil is cohesive. We will only need cohesive soil parameters.

Q: A circular concrete pile 350 mm in diameter is to support a load of 270kN.Itis driven in a stiff…

A: given diameter of pile (D)= 350 mm given diameter of pile (D)= 0.350 m area of pile cross section =…

Q: A rectangular pile (0.77 x 0.72 m) is driven in a clayey soil arrangement composed of two different…

A: Given  Pile dimensions : 0.77m x 0.72m Factor of safety : 2  Figure corresponds to given data: Skin…

Q: A nine pile group consists of 0.30m diameter friction concrete piles 12m long. The piles are driven…

A: Given data in question  Length Diameter  Unconfined compressive strength Center to Center spacing…

Q: Estimate the pile length required to carry the 670 kN axial load for the pile-soil system shown in…

A: Axial load, Pa = 670 kNPile diameter, D = 460 mmSafety factor = 3.0

Q: Q2. A concrete pile 400 mm. X 400 mm in cross section is shown in figure below. Calculate the…

A: Given- FOS=4

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.