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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

California Bearing Ratio Test: CBR Values & Why They Matter

October 01, 2020

<div><a href="/blog/cbr-testing"><img loading="lazy" src="/Content/Images/uploaded/blog/2020/October/cbr-test2025.jpg" alt="CBR Testing Article" style="display: block; margin-left: auto; margin-right: auto; width: 100%; max-width: 715px;" /> </a></div><p>In this blog post we discuss why it is important to perform strength tests of soil subgrades for pavement design, and also review what is needed for each type of test method whether it be in the lab or out in the field including the DCP test.</p>

Tags: CBR , Soil Testing , Geotechnical , Field Testing , LBR , DCP , Laboratory , Strength Testing , Compaction , Resource Guide , Testing Insights

Soil Density Testing: 3 Test Methods You Can Count On

December 02, 2019

<div style="text-align: center;"><a href="/blog/density-of-soil-test"><img loading="lazy" src="/Content/Images/uploaded/blog/2019/december/soil-density-hero.jpg" alt="Soil Density Testing: 3 Test Methods You Can Count On" width="100%" max-width:="" 715px="" /> </a></div><p>Proper soil compaction increases strength and stability resulting in successful structures and pavements. This blog will discuss the various means of testing soil compaction, which methods are suitable for your project, and the importance of having the right personnel in place.</p>

Tags: Soil Density , Soil Testing , Compaction , Sand Cone Test , Rubber Balloon Method , Nuclear Density , In-situ Testing , Field Testing , Resource Guide , Comparison Guide