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The specific gravity and in-situ void ratio of soil deposit are 2.67 and 0.85 respectively. The value of critical hydraulic gradient is:
- a)0.82
- b)0.85
- c)0.92
- d)0.95
Correct answer is option 'C'. Can you explain this answer?
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The specific gravity and in-situ void ratio of soil deposit are 2.67 ...
Critical hydraulic gradient,
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Hence, the correct option is (C)
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The specific gravity and in-situ void ratio of soil deposit are 2.67 ...
Given data:
Specific gravity of soil deposit (Gs) = 2.67
In-situ void ratio (e) = 0.85
Concept:
The critical hydraulic gradient (ic) is the minimum hydraulic gradient at which the soil particles start to move and the soil mass becomes unstable. It is given by the equation:
ic = (1 + e) * Gs
where,
e = in-situ void ratio
Gs = specific gravity of soil
Calculation:
Given that:
Specific gravity of soil deposit (Gs) = 2.67
In-situ void ratio (e) = 0.85
Using the equation for critical hydraulic gradient (ic):
ic = (1 + e) * Gs
= (1 + 0.85) * 2.67
= 1.85 * 2.67
≈ 4.93
Since the options provided are in decimal form, we need to convert the calculated value to decimal form:
ic ≈ 4.93 ≈ 0.93
Final answer:
The value of the critical hydraulic gradient is approximately 0.93. However, none of the given options match this value. Therefore, there might be an error in the options provided.
Specific gravity of soil deposit (Gs) = 2.67
In-situ void ratio (e) = 0.85
Concept:
The critical hydraulic gradient (ic) is the minimum hydraulic gradient at which the soil particles start to move and the soil mass becomes unstable. It is given by the equation:
ic = (1 + e) * Gs
where,
e = in-situ void ratio
Gs = specific gravity of soil
Calculation:
Given that:
Specific gravity of soil deposit (Gs) = 2.67
In-situ void ratio (e) = 0.85
Using the equation for critical hydraulic gradient (ic):
ic = (1 + e) * Gs
= (1 + 0.85) * 2.67
= 1.85 * 2.67
≈ 4.93
Since the options provided are in decimal form, we need to convert the calculated value to decimal form:
ic ≈ 4.93 ≈ 0.93
Final answer:
The value of the critical hydraulic gradient is approximately 0.93. However, none of the given options match this value. Therefore, there might be an error in the options provided.
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The specific gravity and in-situ void ratio of soil deposit are 2.67 and 0.85 respectively. The value of critical hydraulic gradient is:a)0.82b)0.85c)0.92d)0.95Correct answer is option 'C'. Can you explain this answer?
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