Q1) Choose the correct answer: 1- Rankine's theory of earth pressure neglect: The pressure on the wall is to act parallel to the surface of the soil at angle (B) to the horizontal. The effect of cohesion on active and passive pressure. The friction developed between a retaining wall and the soil. o The depth of tension zone. o The effect of water table. 2- The lateral earth pressure is the lateral pressure that developed from: o Water beside it. o Soil beside structure. o External loads. o All the above. o Excavation beside structure. 3- The coefficient of earth pressure at rest represented as o Ko-1-sing expression given by Jaky. o Ko-sing 。 Ko-1-cosp о o Ko-cosp 。 Ko" tano 4- If the backfill carries a uniform surcharge q, then the lateral pressure at the depth of wall His: o pa-Ka yz+Ka q o pa Ka yz-Ka q o pa Ka yz*Ka q o pa Ka yz/Ka q 。 pa=Ka yz+q 5- During the active state of plastic equilibrium, the retaining wall moves: o Towards the fill o Away from the fill o Does not change its position o Remains in equilibrium o Down ward 6- In active state of plastic equilibrium, the earth pressure on the wall: o о o Increases Decreases Is zero is constant 。 Not changed 7- The coefficient of earth pressure when the soil is at equilibrium is: O o av/ah ο στον о o αν χ στ 01/03 o ohtov 1
Q1) Choose the correct answer: 1- Rankine's theory of earth pressure neglect: The pressure on the wall is to act parallel to the surface of the soil at angle (B) to the horizontal. The effect of cohesion on active and passive pressure. The friction developed between a retaining wall and the soil. o The depth of tension zone. o The effect of water table. 2- The lateral earth pressure is the lateral pressure that developed from: o Water beside it. o Soil beside structure. o External loads. o All the above. o Excavation beside structure. 3- The coefficient of earth pressure at rest represented as o Ko-1-sing expression given by Jaky. o Ko-sing 。 Ko-1-cosp о o Ko-cosp 。 Ko" tano 4- If the backfill carries a uniform surcharge q, then the lateral pressure at the depth of wall His: o pa-Ka yz+Ka q o pa Ka yz-Ka q o pa Ka yz*Ka q o pa Ka yz/Ka q 。 pa=Ka yz+q 5- During the active state of plastic equilibrium, the retaining wall moves: o Towards the fill o Away from the fill o Does not change its position o Remains in equilibrium o Down ward 6- In active state of plastic equilibrium, the earth pressure on the wall: o о o Increases Decreases Is zero is constant 。 Not changed 7- The coefficient of earth pressure when the soil is at equilibrium is: O o av/ah ο στον о o αν χ στ 01/03 o ohtov 1
Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN:9781305081550
Author:Braja M. Das
Publisher:Braja M. Das
Chapter6: Vertical Stress Increase In Soil
Section: Chapter Questions
Problem 6.4P: Refer to Figure P6.4. A strip load of q = 900 lb/ft2 is applied over a width B = 36 ft. Determine...
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Transcribed Image Text:Q1) Choose the correct answer:
1- Rankine's theory of earth pressure neglect:
The pressure on the wall is to act parallel to the surface of the soil at angle (B) to the horizontal.
The effect of cohesion on active and passive pressure.
The friction developed between a retaining wall and the soil.
o The depth of tension zone.
o The effect of water table.
2- The lateral earth pressure is the lateral pressure that developed from:
o Water beside it.
o
Soil beside structure.
o External loads.
o
All the above.
o Excavation beside structure.
3- The coefficient of earth pressure at rest represented as
o
Ko-1-sing
expression given by Jaky.
o Ko-sing
。 Ko-1-cosp
о
o Ko-cosp
。 Ko" tano
4- If the backfill carries a uniform surcharge q, then the lateral pressure at the depth of wall His:
o pa-Ka yz+Ka q
o pa Ka yz-Ka q
o pa Ka yz*Ka q
o pa Ka yz/Ka q
。 pa=Ka yz+q
5- During the active state of plastic equilibrium, the retaining wall moves:
o
Towards the fill
o
Away from the fill
o Does not change its position
o Remains in equilibrium
o
Down ward
6- In active state of plastic equilibrium, the earth pressure on the wall:
o
о
o
Increases
Decreases
Is zero
is constant
。 Not changed
7- The coefficient of earth pressure when the soil is at equilibrium is:
O
o av/ah
ο στον
о
o
αν χ στ
01/03
o ohtov
1
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