What is the effect of foundation depth on bearing capacity in cohesive soils?

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Question: What is the effect of foundation depth on bearing capacity in cohesive soils?

Options:

Correct Answer: Increases with depth

Solution:

In cohesive soils, the bearing capacity generally increases with depth due to the increase in effective stress.

What is the effect of foundation depth on bearing capacity in cohesive soils?

What is the effect of foundation depth on bearing capacity in cohesive soils?

Step 1: Understand what cohesive soils are. These are soils that stick together, like clay.
Step 2: Learn about bearing capacity. This is the ability of the soil to support weight without collapsing.
Step 3: Know what foundation depth means. This is how deep the base of a building or structure is placed into the ground.
Step 4: Realize that as you go deeper into the soil, the weight of the soil above increases.
Step 5: Understand effective stress. This is the pressure that contributes to the soil's ability to support weight, which increases with depth.
Step 6: Conclude that in cohesive soils, as the foundation depth increases, the bearing capacity also increases because of the higher effective stress.

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