Which soil is better for foundation, cohesive or non-cohesive?

There are benefits & problems with both & they relate to water. Sand is wonderful stuff if drainage is a requirement — however it isn't exactly wonderful in areas with seismic activity. read more

If you home is located below the natural water table then water can pool underneath your home, and in your soil and foundation material, and cause it to shift and crack or cause flooding problems. So while both cohesive and non-cohesive foundations may work, you need proper draining to ensure that regardless of the type your home will stay safe. read more

Soil environments provide the physical foundation for a building or road to stand on for years. The engineering aspects of soil composition examine the differences in texture, strength, and consistency that distinguish cohesive soils from non-cohesive soil environments. read more

Cohesive soil: A sticky soil, such as clay or silt; its shear strength equals about half its unconfined compressive strength. Non-cohesive soil: loose, sandy material which does not bond together very well. Therefore, cohesive soil is a better foundation than that of non-cohesive. read more