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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 infographics. We’ll address industry insights, the operation and maintenance of specific equipment, and our product line recommendations, all designed to better serve you.

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Atterberg Limits: A Quick Reference Guide
Atterberg Limits: A Quick Reference Guide

This blog post outlines the three main components that encompass Atterberg Limits, explains why these tests are important, and covers basic equipment used in these procedures.

Asphalt vs. Concrete: Which is Right For You? [Infographic]
Asphalt vs Concrete: Which is Right For You? [Infographic]
Sieve Analysis of Coarse Aggregate: From the Field to the Lab (Part 1)
Sieve Analysis of Coarse Aggregate: From the Field to the Lab (Part 1)

In Part 1 of this thee-part series, we’ll cover sieve analysis of coarse aggregate, beginning from gathering samples at a job site, including tips and necessary equipment.

Concrete Test Hammer: What You May Not Know
What You May Not Know About Using a Concrete Test Hammer

The Concrete Test Hammer is a critical part of your tool kit when assessing potential problems in concrete structures, but it can also create problems if expected to perform beyond its capabilities. This blog post outlines the proper way to use this tool for establishing strength estimates and relationships by comparison.

How What and Why Blog: Specific Gravity of Asphalt
Specific Gravity of Asphalt: What Equipment Do I Need?

Theoretical maximum specific gravity is a fundamental characteristic used to calculate the percentage of air voids in compacted HMA as part of a quality assurance program. An effective way to measure specific gravity is through the Rice Test, using a Rice Shaker.

Sieve Reverification FAQ’s
Sieve Reverification FAQs

Ongoing verification of working sieves is an important part of your QC/QA program to ensure that your sieves are in working order and meet their minimum requirements. In this post, we’ll answer all your questions regarding reverification of your used sieves.

Why Complete Testing of Fresh Concrete Matters
Why Complete Testing of Fresh Concrete Matters

It's important to run a complete set of tests, including air content and unit weight, on all fresh concrete batches, whatever the mix design. This is the best method to secure accurate and complete data that is very difficult to obtain later, and assures adherence to QC/QA requirements.

Testing Oxidized Asphalt Binder? Here’s Why a Pressure Aging Vessel is Valuable
Why a Pressure Aging Vessel is Valuable

A method to simulate long-term, oxidative aged asphalt binder is important for predicting distress in asphalt as it ages. A Pressure Aging Vessel is a great solution and this blog post will highlight the background and benefits of these powerful machines.

Aggregate Abrasion Testing (Part 2): The L.A. Abrasion Test
Aggregate Abrasion Testing (Part 2): The L.A. Abrasion Test

Abrasion testing is an important component to your quality control process. This follow-up post presents the benefits of the widely-used L.A. Abrasion Test.

Everything You Need to Know About Asphalt Rolling Thin Film Ovens
Everything You Need to Know About Asphalt Rolling Thin Film Ovens

If you need to accurately measure the effect of heat and air on asphalt binder, a good option to consider is a Rolling Thin Film Oven (RTFO). This blog post outlines everything you need to know from procedure to benefits to equipment recommendations.

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