ASTM D2487

Definition

ASTM D2487 is the standard classification system for soils used in engineering purposes, specifically designed to categorize soils based on their physical and engineering properties. This classification aids in understanding soil behavior during construction and helps engineers determine appropriate foundation design methods. By following this standard, professionals can effectively communicate and utilize soil data during site investigations and data collection activities.

5 Must Know Facts For Your Next Test

1. ASTM D2487 provides guidelines for classifying soil into categories such as gravel, sand, silt, clay, and organic soils based on particle size distribution and plasticity characteristics.
2. The standard includes procedures for collecting soil samples and performing laboratory tests to determine properties like grain size, Atterberg limits, and moisture content.
3. ASTM D2487 is essential for site investigations as it ensures that soil data is consistent, reliable, and applicable for evaluating foundation design requirements.
4. Understanding ASTM D2487 can help engineers identify potential issues related to soil behavior, such as settlement or bearing capacity problems during construction.
5. This classification system plays a crucial role in geotechnical engineering by providing a common language for professionals to discuss soil types and their suitability for various construction projects.

Review Questions

• How does ASTM D2487 impact the process of site investigation and data collection in engineering?
  • ASTM D2487 significantly influences site investigation by establishing a standardized method for classifying soils based on their physical properties. This helps engineers systematically collect and analyze soil data to assess its suitability for construction projects. The guidelines ensure that the information obtained during investigations is consistent, allowing for better communication among professionals and informed decision-making regarding foundation design.
• What are the primary criteria used in ASTM D2487 to classify soils, and why are these criteria important in engineering applications?
  • The primary criteria used in ASTM D2487 to classify soils include particle size distribution, plasticity characteristics, and moisture content. These criteria are crucial because they help determine how soils will behave under load, which directly impacts foundation stability and structural integrity. By categorizing soils accurately, engineers can make informed decisions about construction methods, material selection, and risk management.
• Evaluate the role of ASTM D2487 in ensuring effective communication among geotechnical engineers during the design phase of construction projects.
  • ASTM D2487 plays a vital role in promoting effective communication among geotechnical engineers by providing a standardized framework for soil classification. By using a common terminology and categorization system, engineers can easily share soil data and collaborate on design strategies that account for specific soil behaviors. This standardization not only enhances the accuracy of engineering assessments but also reduces misunderstandings that could lead to costly mistakes during the construction phase.

Related terms

Soil Classification: The systematic categorization of soil types based on their characteristics, such as grain size, plasticity, and moisture content, essential for engineering applications.

Unified Soil Classification System (USCS): A widely-used system that classifies soils into groups based on their texture and plasticity, aiding engineers in determining suitability for construction projects.

Geotechnical Investigation: The process of exploring and analyzing subsurface conditions to assess the physical properties of soil and rock layers for engineering purposes.