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Consider the following statements:
1. Coefficient of consolidation normally increases with decreasing liquid limit of clay.
2. The larger the value of coefficient of consolidation, the longer it takes for full consolidation to occur.
Which of these statements is/are correct?
1. Coefficient of consolidation normally increases with decreasing liquid limit of clay.
2. The larger the value of coefficient of consolidation, the longer it takes for full consolidation to occur.
Which of these statements is/are correct?
- a)1 only
- b)2 only
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Consider the following statements:1. Coefficient of consolidation norm...
From Taylor’s formula, we have,
For full consolidation i.e. U= 100%. will more or less be a constant.
Thus, larger the value of coefficient of consolidation, smaller it takes for full consolidation to occur.
For full consolidation i.e. U= 100%. will more or less be a constant.
Thus, larger the value of coefficient of consolidation, smaller it takes for full consolidation to occur.
Most Upvoted Answer
Consider the following statements:1. Coefficient of consolidation norm...
Coefficient of Consolidation and its Relation to Liquid Limit
- Coefficient of consolidation is a measure of how quickly a soil can settle or consolidate under a load.
- It is defined as the rate at which pore water pressure dissipates in a soil specimen during consolidation testing.
- The coefficient of consolidation is influenced by various factors such as soil type, void ratio, degree of saturation, and hydraulic conductivity.
- One of the factors that affect the coefficient of consolidation is the liquid limit of clay.
Statement 1: Coefficient of consolidation normally increases with decreasing liquid limit of clay.
- The liquid limit of a soil is the moisture content at which the soil changes from a plastic state to a liquid state.
- Soils with a higher liquid limit are generally more plastic and have smaller pore sizes, which make it more difficult for water to flow through.
- As a result, soils with a higher liquid limit tend to have lower coefficients of consolidation.
- On the other hand, soils with a lower liquid limit are less plastic and have larger pore sizes, which allow water to flow more easily.
- Therefore, soils with a lower liquid limit tend to have higher coefficients of consolidation.
- Hence, statement 1 is correct.
Statement 2: The larger the value of coefficient of consolidation, the longer it takes for full consolidation to occur.
- This statement is incorrect.
- A higher coefficient of consolidation means that the soil can settle or consolidate more quickly.
- Therefore, the larger the value of the coefficient of consolidation, the shorter the time it takes for full consolidation to occur.
- Hence, statement 2 is incorrect.
Conclusion:
- Statement 1 is correct as the coefficient of consolidation normally increases with decreasing liquid limit of clay.
- Statement 2 is incorrect as the larger the value of coefficient of consolidation, the shorter it takes for full consolidation to occur.
- Coefficient of consolidation is a measure of how quickly a soil can settle or consolidate under a load.
- It is defined as the rate at which pore water pressure dissipates in a soil specimen during consolidation testing.
- The coefficient of consolidation is influenced by various factors such as soil type, void ratio, degree of saturation, and hydraulic conductivity.
- One of the factors that affect the coefficient of consolidation is the liquid limit of clay.
Statement 1: Coefficient of consolidation normally increases with decreasing liquid limit of clay.
- The liquid limit of a soil is the moisture content at which the soil changes from a plastic state to a liquid state.
- Soils with a higher liquid limit are generally more plastic and have smaller pore sizes, which make it more difficult for water to flow through.
- As a result, soils with a higher liquid limit tend to have lower coefficients of consolidation.
- On the other hand, soils with a lower liquid limit are less plastic and have larger pore sizes, which allow water to flow more easily.
- Therefore, soils with a lower liquid limit tend to have higher coefficients of consolidation.
- Hence, statement 1 is correct.
Statement 2: The larger the value of coefficient of consolidation, the longer it takes for full consolidation to occur.
- This statement is incorrect.
- A higher coefficient of consolidation means that the soil can settle or consolidate more quickly.
- Therefore, the larger the value of the coefficient of consolidation, the shorter the time it takes for full consolidation to occur.
- Hence, statement 2 is incorrect.
Conclusion:
- Statement 1 is correct as the coefficient of consolidation normally increases with decreasing liquid limit of clay.
- Statement 2 is incorrect as the larger the value of coefficient of consolidation, the shorter it takes for full consolidation to occur.
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Consider the following statements:1. Coefficient of consolidation normally increases with decreasing liquid limit of clay.2. The larger the value of coefficient of consolidation, the longer it takes for full consolidation to occur.Which of these statements is/are correct?a)1 only b)2 onlyc)Both 1 and 2 d)Neither 1 nor 2Correct answer is option 'A'. Can you explain this answer?
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