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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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Dust and Noise: Can Better Testing Equipment Help? Part 1 Dust

In part one of our special series on workplace safety, we take a look at how advances in materials testing equipment are minimizing potentially harmful exposure to dust in the lab.

Tyler Ley, Inventor of the Super Air Meter: The Interview

He's the professor who's passionate about concrete! In this exclusive Gilson interview, Dr. Tyler Ley discusses some of the history of concrete testing, his incredibly entertaining and informative videos on YouTube, and how he invented one of the industry's most innovative tools - the Super Air Meter!

Consolidation Test of Soil: A Comprehensive Guide

In this blog, we will highlight the range of equipment available to perform this fundamental test method. ASTM test method D2435, and its AASHTO equivalent T 216, are the most common one-dimensional soil consolidation tests carried out today.

Streamlining Aggregate Gradation Tests: Tips and Tricks

Sieving for particle size distribution is the primary test requested for construction aggregate samples. Whether field samples are being tested to evaluate a new aggregate source or just coming in as part of day-to-day quality control of production, particle size distribution is a primary consideration. If processing and sieving is not handled efficiently, it creates a backlog.

Build the Optimal System for Your Geotechnical Applications with Load Frames

A basic load frame offers flexibility to become a multi-functional testing apparatus simply by adding or removing individual components designed for specific soil tests – and your testing needs. This blog post explores what to consider in determining the right type of load frame, as well as components and fixtures to select from that, can adapt it for different tests and ensure efficiency in the materials testing lab.

Fineness Modulus of Aggregate

When designing concrete mixes, fineness modulus of the fine aggregate alone is required for effective proportioning of mixes. This blog post explores the process of determining and calculating fineness modulus, and how to accordingly select proportions of coarse aggregate.

Reference Materials for Test Sieves: Performance Testing for Quality

Reference materials for test sieves are used to evaluate and help ensure continued quality performance of sieves in compliance with ASTM or ISO standards. Sieve Verification Services provide further assurance of compliance through laboratory optical or microscopic examination.

The Gray Pages: ASTM’s How-To for Concrete and Aggregates Testing

The Gray Pages: the how and why of test methods and a guide to performing concrete and aggregate tests efficiently while complying with requirements within the standards.

Rejoining A Separated Thermometer: 6 Dos and Don’ts
 thermometer column separation

Mercury or indicating fluid separations can occur in the columns of mercury-in-glass thermometers, as well as in non-mercury thermometers. With expertise, caution and strict adherence to safety measures, the separated fluid can often be rejoined in the column by following some specific methods developed by others.

Specific Gravity of Asphalt Test: What Equipment Do I Need?
 asphalt rice test

The Asphalt Rice Test is commonly used in determining theoretical maximum or asphalt specific gravity in accordance with ASTM and AASHTO standards. This blog post covers what you should know about the test and equipment available to help ensure testing in compliance with ASTM D2041 and AASHTO T 209.