Up & Coming Changes to Hot Mix Asphalt (HMA)

Major changes are on the horizon for hot mix asphalt (HMA) specifications, as Caltrans plans to reinstate statistical pay factors (SPF) – a quality control method used back in the 90s to the mid-2010s. This re-implementation means that contractors and producers must, again, take full responsibility for quality control inspection, … Read More

Using Concrete Strength to Determine Traffic Openings vs. Concrete Maturity Testing

Concrete strength testing, while still relevant, isn’t the most ideal option for traffic openings – especially if it is a highly traveled highway.  It requires fabrication of the concrete samples near the slab, demolding, curing the samples on site until 24 hours prior to testing the specimen, transporting them demolded … Read More

G3’s Concrete Testing Lab: What Are the Basic Categories of Concrete Testing?

Before any material can be used in construction, there’s a set of tests and inspections to carry out to ensure that it meets certain standards and specifications. Concrete, for example, goes through two different categories of quality testing tests to predict its future performance: Field Testing and Laboratory Testing. Laboratory … Read More

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