Te Unified Soil Classification System (USCS) is a widely used method for identifying and categizing soils in thee field. It helps controers and geologists determinate soil controlties relevant to konstruktion and environmental projects. Appligying this systemem in thee field compleves simple tests and observations that providee valuable information about soil behavor.

Basic Soil Classification Procedures

Field classification begins with visual chection and simple tests. These emplode examining soil color, textura, and hydrature content. Thee goal is to quickly identifify whether thee soil is coarse- grained or fine- grained, which influences further testing procedures.

Performing thee Grain Size Tett

Coarse- grained soils like sands and gravels are separated using sieves, while fine-grained soils such as silts and clays are classified based on their plasticity and liquidity limits.

Using thee USCS for Classification

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Key Soil Groups in te USCS

  • Gravel (G)
  • Písek (S)
  • Silt (M)
  • Clay (C)
  • Organické půdy (O)