What is the primary factor affecting the settlement of a foundation on clay soil

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Question: What is the primary factor affecting the settlement of a foundation on clay soil?

Options:

Correct Answer: Consolidation

Solution:

Settlement in clay soils is primarily due to consolidation, which is the process of volume reduction under load over time.

What is the primary factor affecting the settlement of a foundation on clay soil?

What is the primary factor affecting the settlement of a foundation on clay soil?

Step 1: Understand what settlement means. Settlement is when a building or structure sinks into the ground over time.
Step 2: Know what clay soil is. Clay soil is a type of soil that is made up of very small particles and can hold water.
Step 3: Learn about consolidation. Consolidation is the process where clay soil gets smaller in volume when weight is added to it.
Step 4: Realize that when a foundation is built on clay soil, the weight of the building causes the clay to compress.
Step 5: Understand that this compression happens slowly over time, leading to settlement of the foundation.

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