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Gilson Insights

Gilson Insights

Have questions about your materials testing equipment? We have the answers to these questions and much more right here! Check back monthly for long-form blog posts, how-to guides, and more. We’ll address industry insights, the operation and maintenance of specific equipment, and our product line recommendations, all designed to better serve you.

Gilson Insights

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

September 11, 2025

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.

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Relative Density/Specific Gravity of Fine and Coarse Aggregate

September 04, 2024

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.

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

March 07, 2024

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.

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