ASTM D2487 is the standard practice for classification of soils for engineering purposes using the Unified Soil Classification System. It provides a common technical framework for identifying and grouping soil types so engineers, specifiers, and laboratories can communicate consistently about subsurface materials. By organizing soils into recognized classes, this ASTM standard supports clearer decisions in design, investigation, and documentation while helping reduce ambiguity in engineering reports and project records.

Overview of ASTM D2487

ASTM D2487 establishes a practical method for classifying soils based on engineering characteristics within the Unified Soil Classification System. Its purpose is not to redesign soil behavior, but to give users a consistent language for describing and categorizing soils in a way that supports engineering work. The standard is commonly referenced when soil identification and classification need to be documented in a standardized format for use across projects, organizations, and technical teams.

Common use cases of ASTM D2487

This standard is commonly used in geotechnical engineering, site investigation, and laboratory reporting where soil classification is part of the project workflow. It is often applied to samples gathered during borings, excavation reviews, or other subsurface evaluations. ASTM D2487 helps teams record soil types in a format that supports engineering analysis, plan preparation, and communication between consultants, contractors, and project owners.

Benefits of using ASTM D2487

Using ASTM D2487 helps promote consistency in soil classification, which is important for comparison, review, and decision-making. A shared classification system can improve communication between field and laboratory personnel and support better documentation for procurement, quality control, and engineering evaluation. It also helps reduce misunderstandings when soil descriptions are used in reports, specifications, or compliance-related project records.

• Unified Soil Classification System reference
• Engineering soil grouping
• Standardized soil descriptions
• Support for geotechnical reporting
• Consistent project documentation