1.5 - Slope Stability Failure as an Example of Shearing Along Internal Surface
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Practice Questions
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Define shear strength in your own words.
💡 Hint: Think about the sliding or shearing forces acting on the soil.
What are the two main components of shear strength?
💡 Hint: One deals with sticking and the other with sliding.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is shear strength?
💡 Hint: Consider what happens when forces try to make the soil slide.
True or False: Frictional resistance is a stress-independent property.
💡 Hint: Remember the role of stress in friction.
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Challenge Problems
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A saturated slope has a cohesion of 10 kPa and a normal stress of 30 kPa. Calculate the expected shear strength.
💡 Hint: Don't forget to convert the angle to radians if needed.
In a landslide scenario, analyze how decreasing cohesion affects the slope safety factor given a normal stress of 20 kPa.
💡 Hint: Evaluate how lower cohesion shifts the stability balance.
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