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WorksheetsQuiz-1: Ground Improvement CES803
Total questions: 15
Worksheet time: 11mins
What is soil improvement?
improving the chemical properties of the soil
improving the engineering properties of the soil
process to rearrange soil particle
improving base or sub-base layer of soil
The compaction of cohesive soil can be done by
Dynamic compaction
Vibro-replacement
Roller
Vibro-flotation
What are the function of geosynthetic in soil improvement
separator, reinforcement, platform
separator, filter, reinforcement
separator, reinforcement, loading
separator, walkway, filter
Which of the following best describes soil erosion
The breakdown of soil by chemicals
The breakdown of the soil by drought
The improvement of soil quality by fertilizers
The movement of soil by wind or water
The continuous vertical columns of pervious materials installed in clayey soils are called
Preloading
Vertical drains
Vibro float
None of these
Prefabricated drains are also called as
Sand drains
Stone drains
Wick drains
All of the above
Modified Proctor Test has higher compaction effort
TRUE
FALSE
Application of a rigid surcharge load will cause an equal settlement at the surface and this condition is referred to as
Equal strain condition
Free strain condition
Quick strain condition
Surface strain condition
Spacing of drains varies from …… meters
1.5 to 4
2.5 to 5
5 to 7
1 to 3
Prefabricated vertical drains are installed in the ground using a specially made
Roller
Driller
Mandrel
None of the above
Following is a purpose of the compaction in the field, except
increase strength and stiffness of the soil
prepare a level surface for construction activities
reduce the moisture content
Control swelling and shrinking
Which statement describes chemical stabilization
The process of reducing the density of soil and making it more stable and durable.
Involve the treatment of soil with chemical stabiliser by change the texture of the soil
Involve treatment of the soil with chemical stabiliser, when it is added to the soil, would result in a chemical reaction to the soil that will physically interact with it and change its properties.
The process of altering properties of soil by changing the gradation through mixing with tire chip to improve strength and durability of soil
Following are the benefits of surcharge preloading and vertical drain in soil improvement, except
to remove air void in the soil
to shorten the consolidation time
gain in strength
to accelerate consolidation
Which geosynthetic can be used as reinforcement in road constructions
Geogrid
Geomate
Geomembrane
Geodrain
Soil compaction can be described as a method to increase maximum dry density via
compaction of soil particle so it will move into densely pack position
rearrangement of soil particle
by adding moisture content at optimum percentage
all of them
