D425-17 – Standard Test Method Technical Guide

📋 Scope, Soil Classification, and Applicability

ASTM D425-17 provides a standardized laboratory method to determine the centrifuge moisture equivalent of soils. This technique is specifically applicable to coarse-grained sandy soils with a maximum particle size of less than 2.00 mm, containing fines of low plasticity. According to the Unified Soil Classification System (USCS), soils classified as

© 2026 TNLab — This article is a technical interpretation for reference only. The original standard as published by ASTM International takes precedence.