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Questions and Answers
What does the term 'grading' refer to in relation to road construction?
What does the term 'grading' refer to in relation to road construction?
- Determining the degree of compactness of the soil
- Excavation act of cutting and digging to remove material
- Preparation of the sub-grade for pavement materials (correct)
- Changing the slope of the roadway or natural ground
What is the purpose of 'erosion control' in road construction?
What is the purpose of 'erosion control' in road construction?
- Protection of soil from disclosing by water, wind, or other agents (correct)
- Determining the compactness of the soil
- Removal of water from the road area using culverts and ditches
- Excavation and placement of embankments
In road construction, what is the 'subgrade'?
In road construction, what is the 'subgrade'?
- Roadbed upon which the pavement structures are placed (correct)
- Layer above the sub-grade in a pavement structure
- Top surface of the roadbed for pavement placement
- Upper portion of material acting as a foundation
What is a 'culvert' commonly used for in road construction?
What is a 'culvert' commonly used for in road construction?
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What does 'grading' typically involve in road construction?
What does 'grading' typically involve in road construction?
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'Subbase course' in road construction is located where?
'Subbase course' in road construction is located where?
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'Field density test' in road construction helps determine what aspect of soil?
'Field density test' in road construction helps determine what aspect of soil?
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'Excavation' in road construction primarily involves what action?
'Excavation' in road construction primarily involves what action?
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'Riprap' is used in road construction mainly for what purpose?
'Riprap' is used in road construction mainly for what purpose?
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What is meant by 'structures' in the context of road construction?
What is meant by 'structures' in the context of road construction?
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