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The cohesion (c), angle of internal friction (ϕ) and unit weight (γ) of a soil are 15 kPa, 20° and 17.5 kN/m3 , respectively. The maximum depth of unsupported excavation in the soil (in m, round off to two decimal places) is _________. 
    Correct answer is '4.90'. Can you explain this answer?
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    The cohesion (c), angle of internal friction () and unit weight (&gamm...
    ) are three important soil parameters used in geotechnical engineering.

    Cohesion (c) is the shear strength of a soil that is independent of the normal stress applied to it. It represents the attractive forces between soil particles and is typically higher in clay soils than in sandy soils. Cohesion is expressed in units of force per unit area (e.g., kPa or psi).

    Angle of internal friction () is a measure of the shear resistance of a soil due to particle-to-particle friction. It is the angle between the horizontal and the maximum shear stress plane in the soil. This angle is influenced by the soil particle shape, size, and packing density. Soil with a higher angle of internal friction is more resistant to shear failure. The angle of internal friction is expressed in degrees.

    Unit weight () is the weight per unit volume of the soil. It is influenced by the soil particle size, shape, and packing density. Unit weight is important in geotechnical engineering because it affects the weight-bearing capacity of the soil. It is expressed in units of force per unit volume (e.g., kN/m3 or lb/ft3).
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    The cohesion (c), angle of internal friction () and unit weight (&gamm...
    C = 15 kPa , ϕ = 20° , γT =  17.5 kN/m3
    Hc = ?
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    The cohesion (c), angle of internal friction () and unit weight (γ) of a soil are 15 kPa, 20° and 17.5 kN/m3 , respectively. The maximum depth of unsupported excavation in the soil (in m, round off to two decimal places) is _________.Correct answer is '4.90'. Can you explain this answer?
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    The cohesion (c), angle of internal friction () and unit weight (γ) of a soil are 15 kPa, 20° and 17.5 kN/m3 , respectively. The maximum depth of unsupported excavation in the soil (in m, round off to two decimal places) is _________.Correct answer is '4.90'. Can you explain this answer? 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 The cohesion (c), angle of internal friction () and unit weight (γ) of a soil are 15 kPa, 20° and 17.5 kN/m3 , respectively. The maximum depth of unsupported excavation in the soil (in m, round off to two decimal places) is _________.Correct answer is '4.90'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The cohesion (c), angle of internal friction () and unit weight (γ) of a soil are 15 kPa, 20° and 17.5 kN/m3 , respectively. The maximum depth of unsupported excavation in the soil (in m, round off to two decimal places) is _________.Correct answer is '4.90'. Can you explain this answer?.
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