Which one in the following list does not pass plasticity-a)Betoniesb)...
Rock flour, or glacial flour, consists of fine-grained slit-sized particles of rock generated by mechanical grinding of bedrock by glacial erosion or by artificial grinding to a similar size.
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Which one in the following list does not pass plasticity-a)Betoniesb)...
Explanation:
Plasticity is a property of soil that refers to its ability to deform under pressure without cracking or breaking. Soils that have high plasticity are known as plastic soils, and they are commonly used in construction applications such as the making of bricks and ceramics, as well as the formation of embankments and foundations.
Let us now look at the given options and determine which one does not pass plasticity:
A) Betonies: Betonies are a type of clay soil that has high plasticity. They are commonly used in the construction of earthen dams, levees, and other structures that require a high degree of stability.
B) Kaolinite: Kaolinite is a type of clay mineral that is known for its high plasticity. It is commonly used in the production of ceramics, paper, and other products that require a fine particle size and good plasticity.
C) Rock Flour: Rock flour is a type of soil that is formed when rocks are ground down by glaciers or other natural processes. It is not a plastic soil and does not exhibit the property of plasticity.
D) Fat Clay: Fat clay is a type of clay soil that has a high percentage of clay minerals, making it highly plastic. It is commonly used in the construction of earthen dams, levees, and other structures that require a high degree of stability.
Therefore, the correct answer is option C, Rock Flour, as it does not pass plasticity.