Soil materials for earth construction: properties, classification and suitability testing

Each soil has a different particle size and/or mineral structure, based on the process of formation. This leads to different properties, which distinguish the constructional abilities of a soil. A brief discussion of soil types and classification is provided. Chief mineral constituents of clays along with their structures are explained. Different soil properties which make soil a suitable construction material are also discussed. Some soil property tests to identify soil properties, such as consistency and compaction are briefly explained. Different compaction procedures suitable for different soils are discussed. Water content in a soil plays an important role in providing strength to a soil during compaction.