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 40mm. Use the engineering news record expression. Assume a factor of safety of 6 andempirical factor (allowing reducing in the theoretical set, due to energy losses) of 2.5 cm. Thesafe load carrying capacity of the pile

Given data, Timber pile having length, l= 8 mDiameter,d= 20 KNFalling freely from a height of, h=…

Answered: safe load carrying capacity of the pile

Engineering

Civil Engineering

safe load carrying capacity of the pile

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: Calculate the pile point bearing capacity using Meyerhof's Method, where a Concrete pile of diameter…

A: The given data is: Diameter of concrete pile=12 in Length of pile=25 ft Unit weight of sand, γ=128…

Q: a Pile have diameter of 0.4 m and ultimate pile capacity 12000 Kn, F.s=3 if the load will applies =…

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: 3- The pile is classified as Micro (Mini) pile when its diameter is: *less than 0.2m less than 0.3m…

Q: Why would it be inappropriate to use the Terzaghi bearing capacity formulas to determine the toe…

A: The ultimate load which a foundation can support is calculated by terzaghi bearing capacity…

Q: A group of 25 HP 10 * 57 piles are arranged in a 5 * 5 grid at 27 inches on center and driven to a…

A: Given:- 5* 5 grid pile 25 HP 10*57 piles spacing , s = 27 inch s=2.25 feet L = 60 ft fn=1000 lb/ft2…

Q: What are the factors to be considered for the selection of a pile type?

A: The selection of pile type: The selection of piles must be done for the large structure, to prevent…

Q: Define The local availability of each pile type

A: Pile foundation : Pile foundation is defined as a series of columns constructed or inserted into 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: Write a Short note on Statical Analysis (Single Pile Capacity).

A: Static Analytic Method Of Single Pile Capacity

Q: What are the two methods that are used to determine the capacity developed along the length of the…

A: Pile load capacity depends on a number of factors including cross section, pile length and shape…

Q: A 14-in.-diameter steel pipe pile is driven 50 ft into overconsolidated clays having the following…

A: The ultimate bearing capacity of the pile is given by,

Q: A precast wooden pile is being driven with 50 kN drop hammer having a free fall of 100 cm, take set…

A: Given data- Weight of the drop hammer W=50 kNFree fall distance H=100 cmset S=0.45 cmTo Find-The…

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

Q: Explain why pile driving formulas are not reliable, and why a wave equation analysis is a better…

A: Solution: Pile driving formulas are not reliable because Pile Driving formulas are very simple.…

Q: -- Pile in Sand (friction and end bearing) Make calculations to determine the Allowable Load for a…

A: The objective of the question is to calculate the allowable load for a 14-inch square precast…

Q: In what situation would the LTP be complemented by a pile cap?

A: A pile cap is a mat-like structure made of cement, sand and small scales. This mixture is placed in…

Q: kesulo em/sec what is rate seepage under shee t pile Sm 1.67 m 4m

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

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 rectangular pile (0.52 x 0.82 m) is driven in a clayey soil arrangement composed of two different…

Q: determine: Pile Load Test -- You are to use the results of a pile load test given below to A. The…

A: The question might be related to calculating the equivalent resistance (Req) of the parallel…

Q: Calculate the minimum and maximum axial compressive capacity of a 1.2 m diameter closed- ended steel…

A: D(diameter of pile) = 1.2m The top layer of sand and second layer of clay will only provide skin…

Q: Describe about the Uplift Capacity (Single Pile).

A: The uplift capacity of piles is used to predict the capacity of piles under uplift loading. This is…

Q: Describe the relationship between the capacity of a tested or analyzed pile and the driving record.

A: Relationship between the capacity of a tested or analyzed pile and the driving record is given by…

Q: Describe a typical structure and subsurface conditions where a pile supported or pile enhanced mat…

Q: A solid circular concrete pile is to be driven into a clayey soil with the following properties:…

A: Cu1 = 40 kPa Length (L1) = 5 m unit weight (γ1) = 15 kN/m3 Cu2 = 50 kPa Length (L2) = 10 m unit…

Q: What is the ultimate downward load carrying capacity of a single pile driven in soil?

A: The ultimate downward load carrying capacity of single pile driven in soil are : - Using Analytic…

Q: Describe the following briefly: (a) Negative Skin friction and its estimation. (b) Dynamic…

A: Negative skin friction or 'down drag' is a phenomenon, in which portion of a soil layer surrounding…

Q: As driven piles penetrate into a saturated clay soil, why the material in the vicinity of the pile…

A: Once a pile is driven into clay, the soil around the pile develops vertical and horizontal…

Q: In designing the lateral resistance of piles, should engineers only use the earth pressure against…

A: Answer Introduction Lateral load resisted by the following ways 1) Passive soil resistance on the…

Q: Explain the difference between a rigid analysis and a nonrigid analysis for lateral pile loading.…

A: Given:- Difference between a rigid analysis and a non-rigid analysis for lateral pile loading.

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

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: 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: Based on Meyerhof’s (1956) suggestion, do you think a mechanical or electrical cone penetration…

A: Following is required answer :

Q: Describe the method of plotting pile load test data to determine pile design capacity.

A: Pile load test is done to determine the pile design capacity i.e to determine settlement of pile…

Q: Describe the Concept—Osterberg load cell placement and effects on test pile.

A: - In Osterberg test, The Osterberg cell also known as O cell is placed inside the pile during its…

Q: Discuss the ultimate load carrying capacity of the single pile when the pile embedded soil is; i)…

A: In Granular soils the ultimate load-carrying capacity: The pile drives load-carrying capacity from…

Q: Estimate ultimate capacity of a timber pile with tip diameter of 180 mm and top diameter of 360 mm,…

A: Solution

Q: thank you much. And if I need to calculate the loads on the piles under column C3 and select a…

A: For this problem, we have to find out design for column C-3

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: A pile group of 9 piles placed in 3 row, 1 m apart between rows, with 1 m spacing 1 m in…

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

A: Part a.

Q: the calculations to find the pile cap depth if pile diameter is 12(3/4). Also calculate the minimum…

A: Consider given data Depth of the pile is 12 m H=12 mand diameter od the piles D=34…

Q: A proposed highway bridge will be supported by 180 piles, each about 18 m long. The design load per…

A: Number of piles required for pile load tests varies from 0.5% to 2% of the total piles of the…

Concept explainers

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.

Question

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

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

A concrete pile 0.133ft by 0.133ft in cross section is shown below. Pile length 10 m . Answer a) ii, iii, iv
Determine load carrying capacity of pile without considering critical depth concept. Diameter of pile 0.4 m.Ng =132 for o = 40° to m y 4.b Cot-opf "loose Sand K=1 = 21-15 From. 8a 19 Cu 20k Demse Sund 2 20 $=40° K=2 -I 30°
Which is the best reason for that the effects of pile installation cannot be calculated by the strict application of soil or rock mechanics theory A. The pile foundation is too deep; B. The pile foundation has skin friction resistance from the interface between soil and pile. C. The foundation soil is disturbed and impacted by pile construction operations. D. The pile bottom point bearing capacity is ignored.
DESIGN A PILE CAP USING THE STRUT AND MODELING METHOD. A 16"x16" precast concrete pile with pile capacity of 122kips, fc' = 5000psi, length of pile is 55' and the column load is 159.8kips.
What is the significant role of setup and relaxation on driven pile capacity?
A HP 13x100 steel pile of length 40 feet is driven with a hammer of rated energy 30 kip-ft, weight 12 kips. A. Use the Gates method to determine refusal criterion if the ultimate pile capacity is to be 600 kips. B. Will the pile survive during installation?
A concrete pile is 15 m long and has 406 mm diameter circular cross section. The pile is fully embedded in sand, for which the unit weight '( = 18 kN/m3 and the frictional angle 8 = 30°. i) Calculate the ultimate point load Qp ii) Determine the total frictional resistance Qs iii) Determine the total ultimate load ofthe pile.
Find the weight of the extra soil needed to be hauled off site after the terrain in the given diagram leveled to an elevation of 0ft. The soil has unit weight of 125pcf and the width of the pile is 28ft?
Describe the pile model used in wave equation analyses with the diagram.
A helical pile with 12 in diameter flights and a 2 in square rod is to be installed to a depth of 30 ft in a silty clay. The undrained shear strength is 1,000 lb/ft2 and the groundwater table is at a depth of 40 ft. The individual helixes are located every 5 ft along the length of the pile, and the pile has an average weight of 100 lb/ft (including the embedded soil). Using a factor of safety of 3, determine the ASD allowable uplift capacity, Pup,a.
A square prestressed concrete pile with a 14 inch side is to be driven to the necessary depth. It needs to be able to support 105 kips. It has been determined that the point resistance qp is 120 ksf and the side friction fs is 450 psf. Use formula 12.2 (see attached image) to estimate how long the pile needs to be with a factor of safety of at least 2.5. Round your answer to a multiple of 5 feet. Use L as a variable to calculate the load in formula 12.2. L can be obtained from this equation.
4. In which cases should the effect of negative frictional resistance on the pile side be considered?