Kairausnäytteitä

Kairausnäytteitä are core samples obtained through drilling, commonly used in geological and geotechnical investigations. The process involves using a specialized drill bit, often a hollow cylinder or "corer," to extract a cylindrical section of soil, rock, or sediment from the subsurface. These samples preserve the in-situ stratigraphy and physical properties of the material.

The purpose of collecting kairausnäytteitä is to analyze the composition, structure, and characteristics of the ground. This information is crucial for various applications, including foundation design for construction projects, mineral exploration, groundwater studies, and environmental assessments. By examining the layers and materials within the core sample, geologists and engineers can determine the soil type, rock strength, presence of contaminants, and potential geological hazards.

Kairausnäytteitä are typically collected at regular intervals or at specific depths of interest. They are carefully logged, photographed, and often stored in specialized containers to maintain their integrity. Laboratory tests can then be performed on these samples to determine properties such as grain size distribution, moisture content, density, permeability, and shear strength. The data derived from kairausnäytteitä forms the basis for understanding subsurface conditions and making informed decisions in engineering and environmental projects.