Test: Group Action in Piles - Civil Engineering (CE) MCQ

# Test: Group Action in Piles - Civil Engineering (CE) MCQ

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## 5 Questions MCQ Test Soil Mechanics - Test: Group Action in Piles

Test: Group Action in Piles for Civil Engineering (CE) 2024 is part of Soil Mechanics preparation. The Test: Group Action in Piles questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Group Action in Piles MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Group Action in Piles below.
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Test: Group Action in Piles - Question 1

### The equation used for determining the bearing capacity of a group of friction piles is __________

Detailed Solution for Test: Group Action in Piles - Question 1

A method of estimating the bearing capacity of a group of friction piles is to multiply the quantity nQup by a reduction factor called the efficiency of pile group.
Qug = n Qup . ηg.

Test: Group Action in Piles - Question 2

### The pile spacing of each pile is taken as __________ diameter of the pile.

Detailed Solution for Test: Group Action in Piles - Question 2

A spacing of three times the diameter of piles is commonly selected as trial spacing between the piles and checked against the criterion that the resistance Qs obtained.

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Test: Group Action in Piles - Question 3

### The downward drag acting on a pile due to the movement of the surrounding is called ________

Detailed Solution for Test: Group Action in Piles - Question 3

Negative skin friction is downward drag acting on a pile due to the downward movement of the surrounding compressible soil relative to the pile.

Test: Group Action in Piles - Question 4

In which of the following rule, the value of each pile is reduced by one-sixteenth?

Detailed Solution for Test: Group Action in Piles - Question 4

According to Feld’s rule, the value of each pile is reduced by one-sixteenth on account of the effect of the nearest pile in each diagonal or straight row of which the pile in question is a member.

Test: Group Action in Piles - Question 5

The efficiency of pile group depends upon __________

Detailed Solution for Test: Group Action in Piles - Question 5

The efficiency of pile group depends upon the following factors: Characteristics of pile (i.e. length, diameter, material etc.), spacing of pile, total number of piles in a row and number of rows etc.

## Soil Mechanics

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## Soil Mechanics

30 videos|76 docs|74 tests