question archive Given the following results of a direct shear test, plot the test data and least squares best fit line
Subject:Civil EngineeringPrice:6.86 Bought11
Given the following results of a direct shear test, plot the test data and least squares best fit line. What is the soil cohesion (y intercept) and what is the tangent of the friction angle (slope)?
Specimen Normal Stress (psf) Shear Stress (psf)
1 200 450
2 400 520
3 600 590
4 1000 740
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