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Relative Density of Free-Draining Soils: Compaction Tests on Sand & Gravel

September 11, 2025

<img loading="eager" style="display: block; margin-left: auto; margin-right: auto; width: 100%; max-width: 715px; height: 100%; max-height: 515px;" alt="Relative Density of Free-Draining Soils" src="/Content/Images/uploaded/blog/2025/Sep/September-2025-Blog-hero.jpg" width="715" height="515" /><p>Field density tests determine the degree of soil compaction, which is used to estimate strength and stability. Read our blog to learn about soil characteristics and how relative density of soil is calculated.</p>

Tags: Soil Testing , Soil Density , Quality Control , Compaction , Relative Density

Relative Density/Specific Gravity of Fine and Coarse Aggregate

September 04, 2024

<div><a href="/fine-coarse-specific-gravity-of-aggregate"><img loading="lazy" src="/Content/Images/uploaded/blog/2024/september/specific-gravity-of-agg.jpg" alt="Specific Gravity of Aggregate" style="display: block; margin-left: auto; margin-right: auto; width: 100%; max-width: 715px;" /> </a></div><p>Determining relative density, or specific gravity, allows accurate conversion of volumes to gravimetric weights for proportioning materials. Learn more about relative density/specific gravity test methods and the equipment used to perform this laboratory test.</p>

Tags: Testing Insights , Specific Gravity , Relative Density , ASTM C127 , ASTM C128 , ASTM C566 , AASHTO T 84 , AASHTO T 85 , AASHTO T 354 , Aggregate Testing , Fine Aggregates , Coarse Aggregate

The Gilson Rice Shaker: A Versatile Tool for Specific Gravity Testing

March 07, 2024

<div><a href="/blog/testing-with-the-asphalt-rice-shaker"><img loading="lazy" src="/Content/Images/uploaded/blog/2024/march/Blog-2024-March-Hero.jpg" alt="Asphalt Rice Shaker Article" style="display: block; margin-left: auto; margin-right: auto; width: 100%; max-width: 715px;" /> </a></div><p>If you regularly perform asphalt theoretical maximum specific gravity (Rice) tests, the Gilson Rice Shaker is a time-saving tool to have in your lab. Find out why this unit is the key to determining accurate specific gravity determinations for asphalt, aggregates, and soils.</p>

Tags: Testing Insights , Product Insights , ASTM D2041 , AASHTO T 209 , ASTM C128 , AASHTO T 84 , ASTM C188 , AASHTO T 133 , ASTM D854 , AASHTO T 100 , Asphalt Testing , Rice Test , Theoretical Maximum Specific Gravity , Specific Gravity , Relative Density , Aggregate Testing , Soil Testing