CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Foundation Engineering

Dynamic Method

In the Engine...

Question

In the Engineering News Recorded formula for determining the safe load carrying capacity of a pile, the factor of safety used is

A

2.5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

3

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

4

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

6

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D 6
The Engineering News formula is largely an empirically developed formula. It has a factor of safety of six. The intent of the factor of safety was to produce a load that coould be used as an applied load of the structure the pile supported.

Suggest Corrections

thumbs-up

1

Similar questions

Q. 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 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 (in kN, round off to 2 decimal places) is

Q. A timber pile is being driven with a drop hammer weighing 25 kN and having a free fall of 1.2 m. The average penetration of the pile is 6 mm. What will be the load carrying capacity of pile using the Engineering News Formula ?

Q. A drop hammer is used to drive a wooden pile. The hammer weight is 25 kN and its free falling height is 0.8 m. The penetration in the last blow is 12 mm. What is the nearest approximation to the load carrying capacity of the pile according to the Engineering News Formula?

Q. A concrete pile of 500 mm in diameter is proposed to be driven in a layer of uniform clay. The pile tip is assumed to carry 30% of load. The length of pile required to carry a safe load of 250 kN with a factor of safety 3.
(Shear mobilization factor,

α = 0.4

)

Q. For the soil profile shown in figure below, the minimum number of precast concrete piles of

300 mm

diameter required to safely carry the load fo a given factor of safety of 2.5 (assuming

100 %

efficiency for the pile group) is equal to

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Dynamic Method

FOUNDATION ENGINEERING

Watch in App

explore_more_icon

Explore more

Other Foundation Engineering

Join BYJU'S Learning Program

CrossIcon