Inorganic soils with low compressibility are represented by
A. MH
B. SL
C. ML
D. CH
Answer: Option C
Solution (By Examveda Team)
The correct answer is C: ML.Let's break down why:
Soil Classification: In soil mechanics, we use a system to classify different types of soil. This helps us predict how the soil will behave.
Inorganic vs. Organic Soils: Inorganic soils are made of minerals, like sand, silt, and clay. Organic soils contain a lot of decomposed plant and animal matter.
Compressibility: Compressibility refers to how much a soil's volume decreases under pressure. Low compressibility means the soil doesn't shrink much when you put weight on it.
The Options Explained:
MH: This represents inorganic silts with high compressibility.
SL: This is not a standard soil classification symbol.
ML: This represents inorganic silts with low compressibility. This is exactly what the question is asking for!
CH: This represents inorganic clays with high compressibility.
Therefore, ML (inorganic silts with low compressibility) is the right answer.
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Inorganic soils with low compressibility are primarily represented by the symbol ML in the Unified Soil Classification System (USCS). These soils are typically inorganic silts, possibly with some fine sand. They are characterized by their relatively low compressibility and stability compared to highly compressible clays.
Explanation:
ML:
In USCS, "M" stands for silt (or "mud"), and "L" indicates low compressibility or plasticity.
Inorganic Silts:
These are fine-grained soils composed of tiny mineral particles that are not organic.
Low Compressibility:
This means the soil will not compress or deform significantly under load, making it suitable for certain types of construction.
Other relevant points:
CL:
Another symbol, CL, can also represent inorganic clays with low to medium plasticity, but ML is specifically for silts with low compressibility.
Plasticity Chart:
The USCS uses a plasticity chart to classify soils based on their liquid limit and plasticity index, helping to determine their compressibility.
Soil Behavior:
b
B