What is the primary factor affecting the shear strength of granular soils?

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Question: What is the primary factor affecting the shear strength of granular soils?

Options:

Correct Answer: Friction angle

Solution:

The friction angle is the primary factor affecting the shear strength of granular soils, as it relates to the inter-particle friction.

What is the primary factor affecting the shear strength of granular soils?

What is the primary factor affecting the shear strength of granular soils?

Step 1: Understand what shear strength means. Shear strength is the ability of a material to resist sliding or shearing forces.
Step 2: Know that granular soils are made up of small particles, like sand or gravel.
Step 3: Learn that the friction angle is a measure of how much these particles resist sliding against each other.
Step 4: Realize that the higher the friction angle, the stronger the soil is against shearing forces.
Step 5: Conclude that the friction angle is the primary factor affecting the shear strength of granular soils because it describes the inter-particle friction.

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