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What are 3 factors that affect the potential for slippage between foundation and the soil?

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Final answer:

Slippage between a foundation and soil can be influenced by the soil strength, slope stability, and the presence of water in the soil, each playing a crucial role in the potential for movement.

Step-by-step explanation:

The potential for slippage between a foundation and the soil is a significant concern in civil and geotechnical engineering. The three key factors that affect this potential are the soil strength, the slope stability, and the presence of water.

Soil Strength

Soil strength is a measure of its ability to withstand stresses without failing and is affected by factors such as the soil's texture, composition, and structure. The cohesion and friction within the soil are essential properties influencing its shear strength, which in turn impacts the risk of slippage.

Slope Stability

The angle of the slope or relief on which a foundation is built impacts its stability. Over-steepened slopes are more susceptible to slippage, especially if they undergo changes due to erosion or human activities.

Presence of Water

Water content in soil can lead to a reduction in strength, causing slippage. Saturated soils from heavy rainfall, snowmelt, or poor drainage can increase the pressure in soil pores and reduce friction, contributing to a higher risk of foundation slippage.

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