A 15 m long normal weight concrete pile is being driven at a rate of 25 blows per minute. Will the wave from the first hammer blow reach the bottom of the pile and return to the top before the next hammer blow? Justify your answer with appropriate computations and comment on the results.

Q: Two cables will lift an 18.500-meter-long prestressed pile weighing 3.806 kN/m. 1. Where should each…

A: The given  values are as follows. Size of Side of pile cross-section= 30 cm = 0.3 m  The Depth of…

Q: safe load carrying capacity of the pile

A: Given data,  Emprical factor=2.5 cmFOS= 6Length,l= 8 mDiameter,d= 0.2 m Driven with a 20 KN drop…

Q: slipping when it makes an angle of 60 degree from the horizontal, determine the tension of the cord…

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Q: Q4) The ultimate load capacity of a 10 m long concrete pile of square cross section 500 mm x 500 mm…

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Q: A wooden pile is driven with a drop hammer weighing 20 kN and in the second trial it was driven with…

A: Gjj

Q: embedded in the lakebed. The weight is released, falling along guide-rails to strike squarely atop…

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Q: A wooden pile is being driven with a drop hammer weighing 30 kN and having a free fall of 1 m. The…

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Q: The wooden pile shown in the figure has a diameter of 90 mm and is subjected to a load of P = 60 kN.…

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Q: A pre-cast wooden pile is being driven with 50 kN drop hammer having a free fall of 100 cm.…

A: Drop hammer weight W=50 kN, Free fall H=100 cm, Penetration S=0.45 cm,

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

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Q: A rectangular pile (0.67 x 0.5 m.) is driven in a clayey soil arrangement composed of two different…

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Q: Question 12 A rectangular pile (0.65 x 0.53 m.) is driven in a clayey soil arrangement composed of…

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Q: Q6) Determine the combined stress in HP 14 x 89 pile shown below. The pile is 25 feet long. E =…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A timber pile of length 8 m and diameter 0.2 m is driven with a 20 kN drop hammer, falling freely…

A: Given- Length L= 8 mdia D=0.2 mW=20 kNheight h=1.5 m=150 cmC=2.5 cmFOS=6It is needed to find the…

Q: The results of pile load tests are usually considered to be the “correct” load capacity, and all…

A: IT is not possible to find a single correct capacity of pile.   This is generally because we have to…

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

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Q: A rectangular pile (0.91 x 0.54 m.) is driven in a clayey soil arrangement composed of two different…

A: To determine the allowable load that the pile can carry.   The bearing capacity of a pile is…

Q: A wooden pile is being driven with a drop hammer weighing 20 kN and having a free fall of 1.0m. The…

A: Weight of drop hammer = 20 kNFree fall = 1.0 mPenetratiin in last blow = 5 mmTo Find :Load carrying…

Q: A 250 mm square, 15mm long prestressed concrete pile (fc = 40 mpa) was driven at a site in Amsterdam…

A: Calculate the Modulus of Elasticity for concrete with 28 days compressive strength of 40 Mpa…

Q: e figure has a diameter of 120 mm and is subjected to a load of P = 80 kN. Along the length of the…

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Q: A wood pile driven into the earth supports a load P=400 KN entirely by friction along its sides (see…

A: Draw the free body diagram. Consider a strip of dy at a distance of y from the bottom.

Q: Q- A precast concrete pile is driven with a 50 kN hammer falling through a height of 1.0 m with an…

A: Given- Weight of hammer W=50 kN, Height h=1 m, Efficiency n=0.6, Set value S= 4mm, Compression c=6…

Q: force f per unit length of the pile is assumed to be uniformly distributed over the surface a) Find…

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Q: Under what conditions will tensile stresses be generated in pile driving? In what situations should…

A: When the pile is driven into the soil, stresses are developed due to the pile goes downward. due to…

Q: 7.6 A dozer with as S-blade has pushed a normal load onto a level area. The height of this load…

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Q: Determine the breaking wave load on a 1 ft diàmeter pile in a design water depth of 5 ft.

A: We assume breaking load on pile acts at silt water level .. Given  Dia of pile = 1 ft.(round pile)…

Q: A drop hammer is used to drive a wooden pile. The hammer weight is 30 kN and its free falling height…

A: Given data,For drop hammer is used to drive a wooden pileWeight of hammer=30 kNFalling height =0.9…

Q: QUESTION 15 A 20 m normal weight concrete pile is driven into the ground. How long will it take in…

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Q: NOTE: For any required additional data (i.e., table/figure) please refer to the textbook (Das, B. M.…

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Q: A static load test has been conducted on a 60 ft long, 16-in square reinforced concrete pile which…

A: Given settlement at head (ẟ1) = 1.211 in  settlement at A (ẟA) = 1.166 in  settlement at B (ẟB) =…

Q: Sometimes pile driving contractors use predrilling when installing piles. This method consists of…

A: Predrilling is not suitable as much time before of pile installation because the purpose of deep…

Q: Two cables will lift an 18.500-meter-long prestressed pile weighing 3.806 kN/m. 1. Where should…

A: Given Data Size of Side of pile cross-section= 30 cm = 0.3 m Depth of pile= 9m Water table is…

Q: A 15 m long Douglas fir pile with a head diameter of 250 mm will be subjected to a compressive load…

A: Check the axial stresses fu≤Fu ....... (1) Here, fu is the average normal stress caused by axil load…

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: 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: along its sides (see figure). The friction force f per unit length of pile is assumed to be…

A: Solution Given Data P= 400 KN L= 2m A=1500 mm2 E=30000 MPa

Q: If the concrete cylinder is not completely submerged and the immersed weight (WI) is recorded, what…

A: 3.effects of immersed weight on unit weight that is recorded when concrete cylinder is not…

Q: Sand falls into a conical pile at the rate of 10 cu. ft. per min. The radius of the base of the pile…

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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: SITUATION 1: A pre-stressed concrete pile of length L is to be picked up by crane at two points,…

A: Due to the loading in the pile no cracking will be form hence the positive bending moment at mid of…

Q: The wooden pile shown in the figure has a diameter of 95 mm and is subjected to a load of P = 80 kN.…

A: Appreciate if there is detailed work with explanation and finds you helpful for ease of…

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: The Danish pile-driving formula is to be used for field control of a pile installation. Steel pipe…

A: Part a.

Q: The Young’s modulus of the concrete of the piles is 75.8 GPa and the concrete unit weight is 25…

A: E (Young's modulus of the concrete of the piles) = 75.8 GPaConcrete unit weight = 25 kN/m³Pile…

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

A: Given- FOS=4

Q: Silty clay Y- i18 Iivn C,- 700 Ib/ft 20 ft Groundwater Plasticity index, PI = 15 table . Silty clay…

A: Given : Equation 9.45, fav = 0.02 pa(N60) Equation 9.46, fav = 0.01 pa(N60) Equation 9.47, fav =…

Q: and is beig poured into a a conical pile in such a way that the height is always 1/3 of the radius.…

A: Given Data: The height of the conical pile is equal to 1/3 of the radius of the conical pile. The…

Measuring site work, Excavation and Piling

Bid drawings typically include very little material about the precise requirements of site work operations, measuring site work and excavation work differs from measuring most other works on a construction project. The actual site work conditions are not provided and also the dimensions of the excavations are not known during the pre-construction phase. The precise measurement of the excavation and backfill of the earth material and topsoil is important for a contractor to decide upon the total cost required for the process. All the works should be carried out under OSHA (Occupational Safety and Health Administration) standards to ensure the safety of the workers.