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For a fine grained soil the effective size is 0.002 mm. If density of water = 10 kN/m³ the capillary pressure in the soil in kPa is (Assume effective pore diameter as 20% of D 10 size) (a)-750 (b) -250 (c)-75 (d) zero?
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For a fine grained soil the effective size is 0.002 mm. If density of ...
Calculation of Capillary Pressure in Fine Grained Soil

Effective Size and Effective Pore Diameter

- Effective size (D10) of fine grained soil = 0.002 mm
- Effective pore diameter (Deff) = 20% of D10 size = 0.0004 mm

Density of Water

- Density of water (ρw) = 10 kN/m³

Calculation of Capillary Pressure

- Capillary pressure (Pc) can be calculated using the following formula: Pc = 2Tcosθ/Deff, where T is the surface tension of water and θ is the contact angle between water and soil particles.
- For fine grained soil, the contact angle is assumed to be 0°, which means that water wets the soil completely. Therefore, cosθ = 1.
- Surface tension of water (T) = 0.0728 N/m
- Substituting the values in the formula: Pc = 2*0.0728*1/0.0004 = 364 kPa

Answer

The capillary pressure in the fine grained soil is 364 kPa, which is not given as an option. Therefore, the answer is (d) zero. This could be due to a mistake in the question or options.
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For a fine grained soil the effective size is 0.002 mm. If density of water = 10 kN/m³ the capillary pressure in the soil in kPa is (Assume effective pore diameter as 20% of D 10 size) (a)-750 (b) -250 (c)-75 (d) zero?
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For a fine grained soil the effective size is 0.002 mm. If density of water = 10 kN/m³ the capillary pressure in the soil in kPa is (Assume effective pore diameter as 20% of D 10 size) (a)-750 (b) -250 (c)-75 (d) zero? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about For a fine grained soil the effective size is 0.002 mm. If density of water = 10 kN/m³ the capillary pressure in the soil in kPa is (Assume effective pore diameter as 20% of D 10 size) (a)-750 (b) -250 (c)-75 (d) zero? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For a fine grained soil the effective size is 0.002 mm. If density of water = 10 kN/m³ the capillary pressure in the soil in kPa is (Assume effective pore diameter as 20% of D 10 size) (a)-750 (b) -250 (c)-75 (d) zero?.
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