Math Problem Statement
The soil water characteristics curve of a soil sample is shown in the following figure. According to consolidated drained tests on saturated specimens of this soil, the shear strength parameters are obtained: c′ = 10 kPa and φ′=35°. Calculate the unsaturated shear strengths of the soil for the following matric suctions: 40 kPa, 120 kPa and 240 kPa. Assume the net normal stress is 100 kPa)
Solution
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Soil Mechanics
Shear Strength of Unsaturated Soils
Matric Suction
Soil-Water Characteristic Curve
Mohr-Coulomb Equation
Formulas
τ = c' + σ' tan(φ') + (Δτ_unsat / Δψ) × ψ
τ = shear strength of the soil
c' = effective cohesion
σ' = net normal stress
φ' = effective angle of internal friction
ψ = matric suction
Theorems
Mohr-Coulomb Failure Criterion
Suitable Grade Level
Graduate Level (Geotechnical Engineering)
Related Recommendation
Calculate Unsaturated Shear Strengths for Soil Using Mohr-Coulomb Theory and SWCC
Calculate q, p', v at Failure in Undrained Shear Test - Soil Mechanics
Calculate Pore Pressure at Failure in Critical State Soil Mechanics
Calculation of Mean and Deviatoric Stress, Strains, and Moduli in Elastic Isotropic Soil
Calculate Pore Pressure at Failure for Clay Samples A and B