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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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Inventing the Sonic Sifter: How a New Cafeteria Changed the Sieving Industry

Most materials have a lower size limit where sieving with a sieve shaker is no longer sufficient, and the agitation necessary for particle separation starts to break down and destroy some fragile materials. Particles in some substances resist separation and clump together due to electrostatic or moisture issues. For many years, these problems limited the effectiveness of measuring particle size by sieving. This article tells the story of how one man pushed back those boundaries.

Sonic Sieving: The Solution for Particle Size Problems

Test sieves are an efficient, productive, and economical means of characterizing the gradation of dry granular materials. However, the sieving method is not without limitations. If obstacles seem to be making it difficult to produce accurate, repeatable results for finer sizes, Sonic Sieving may be the answer.

Cement Testing Resource Guide: Methods & Equipment

"…[Hydraulic] cement can't be characterized as just one material."

In this blog, we discuss what specifications define hydraulic cement and their use, as well as test methods and which testing equipment to use for your test application.

How to Select the Right Jaw Crusher

The selection of the best jaw crusher for your application will naturally be governed by the particle size, volume, and properties of your bulk material, along with the desired particle size and quantity of the final sample. In this blog, we help you select the right jaw crusher for your testing application.

Permeability of Soil Test: All You Need To Know

In this blog, we briefly discuss what soil permeability (hydraulic conductivity) is and detail what equipment can be used for a wide array of soil permeability tests.

Air Meter Calibration: A Step-By-Step Guide

In this blog, concrete air meter calibration will be broken down into everyday language in such a way where the practice won't be tough to carry out and won't take long either.

Concrete Air Testing: Why, When, & How: An In-Depth Look

Testing for air content is always recommended to profile characteristics of the admixtures in concrete. In this blog, we discuss what, why, and how to perform such test methods for concrete air testing.

Soil Density Testing: 3 Test Methods You Can Count On

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.

Marshall Test Method: Everything You Need to Know

Maximum strength with minimum deformation. Get an in-depth look at how the Marshall method is used to attain optimum asphalt content.

What is Superpave? Understanding Performance-Based Asphalt

Superpave’s origins came from simple questions and ballooned into complex and numerous offshoots as time passed and funding permitted. In this blog post, we’ll discuss the impact of Superpave from the perspective of mix design, construction materials testing, and resources for laboratory equipment.