Question
The _________ soil transported by the gravitational forces.
The correct answer is
colluvial soil
Understanding Soil Transport by Gravity
The question asks to identify the type of soil transported primarily by gravitational forces. Let's examine the options:
- Alluvial soil: This soil is transported and deposited by water, such as rivers and streams.
- Colluvial soil: This soil accumulates at the base of slopes due to gravity-driven processes like landslides, creep, and erosion moving material downslope.
- Loess: This type of soil consists of fine, wind-borne silt and is transported by wind.
- Till: This soil is deposited directly by glaciers as they move and melt, often unsorted.
Based on these definitions, colluvial soil is the correct answer because it is specifically formed by material moved downslope under the influence of gravity.
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Important Questions from Classification of Soils
The Group index value of soil subgrade in pavement construction is 8. The subgrade soil is rated as:
- Uniformity coefficient of a soil is -
The coefficient of curvature for a well graded soil, must be from-
Which soil will take years and decades to undergo full settlement after the new building is constructed?
I.S. Sieve Nos. 10 mm and 4.75 mm are generally used for grading of
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