NEW
Font size
WorksheetsCHAPTER 4 - EARTH RETAINING STRUCTURE
Total questions: 16
Worksheet time: 16mins
The main function of retaining walls is
stabilize hillsides
Control erosion
to reduce the grades of roads
all are correct
The coefficient of active earth pressure is_______ than the coefficient of passive pressure.
less than
greater than
equal to
insufficient data
If the angle of internal friction decreases, then Ka ___________
decreases
increases
equal to zero
does not change
The ratio of horizontal stress σh to vertical stress σv is _______
coefficient of earth pressure
coefficient of volume change
coefficient of compressibility
coefficient of consolidation
Below are design consideration of retaining wall except?
Types of wall
Ground water behind the wall
Material used in the construction of wall
cost involve
Types of soil
This wall resist the earth pressure exerted by backfill by its own self weight.
gravity wall
anchored wall
cantilever wall
pile wall
All of there are components of retaining wall except?
toe
stem
weep holes
heel
surcharge
Gravity type retaining wall type is suitable for retaining backfill up to
3-5 m
5-8 m
4 - 7 m
Any hight
Sheet piles are generally made of
Concrete
Steel
Timber
All of the above
Point of contra flexure observed in which type of sheet pile
Free cantilever sheet pile
Cantilever Sheet Pile Wall with Backfill
Free earth support anchored piles
Fixed earth support anchored piles.
Weep holes provided into retaining wall for the purpose of
to provide drainage
to prevent cracks due to shrinkage
to avoid friction behind the wall
to improve appearance
An anchor sheet pile driven to a shallow depth will have
free earth support
fixed earth support
roller support
roller support
The material retained by the retaining wall is known as_________
slab
roof
backfill
footing
During the active state of plastic equilibrium, the retaining wall moves _______
towards the fill
away from the fill
does not change its position
remains in equilibrium
During the passive state of plastic equilibrium, the retaining wall moves _______
towards the fill
away from the fill
does not change its position
remains in equilibrium
On designing retaining walls it is necessary to take care of __________ exerted by soil mass.
Erosion
Lateral pressure
Surcharge
Lateral stress
