Aug 26, 2018
If you want to reduce the variability of your gyratory specimen test results, you must improve the uniformity of the asphalt specimens you produce. Here are a few basic tips for compacting better asphalt specimens.
Jul 25, 2018
Having lab equipment in proper calibration gives you a better chance at proper measurements and testing results. Dan Ridolfi of Lastrada Partners, El Dorado Hills, California, stated the calibration and maintenance of lab equipment is just as important as the calibration and maintenance of the asphalt and aggregate equipment at the plant. “A producer never […]
Jun 05, 2018
If you need to take liquid asphalt cement (AC) samples from your 4-inch or 6-inch line that feeds liquid AC to your mixer, the engineers at Maxam Equipment, Kansas City, Mo., have developed a sampling device to assist you. This in-line capture features an enclosed sampling system to dispense the asphalt into quart or gallon […]
May 25, 2018
Sometimes samples are sent to an outside lab to perform a test you cannot perform in-house. Sometimes you’ll have a contract dispute that requires testing performed by a third party. In either case, following a few best practices will save a lot of headaches and ensure the sample you sent represents the material produced. Here are four keys for the best lab tests.
May 25, 2018
NCAT offers pressure aging vessel tips and tricks for your new lab tech to age the binder properly for testing.
Aug 07, 2015
At the height of the construction season, we produce and place millions of tons of asphalt throughout the Americas. During this hectic time of year we rely on the Quality Control/Quality Assurance (QC/QA) personnel to identify and correct any issues at hand. They have the knowledge of the processes and materials, and access to data […]