News & Events
Concrete Shrinkage and Cracks
I had a college professor that said concrete was guaranteed to do two things…harden and crack. Hardened concrete is the result of hydration, a chemical reaction between cement and water. The loss of water from the concrete as it cures results in a reduction in concrete volume, or shrinkage.
ATL SENIOR ENGINEER BECOMES A MEMBER OF ASTM COMMITTEE C09
Atlantic Testing Laboratories (ATL) is proud to announce that Steven Moore, PE, has been selected to serve on the ASTM Main Committee C09 (Concrete and Concrete Aggregates) and is a voting member of Subcommittee C09.64 (Nondestructive and In-Place Testing).
Hot Weather Concrete
The American Concrete Institute (ACI) defines ‘Hot Weather’ as high ambient temperatures, high concrete temperatures, low relative humidity, high wind speed, solar radiation, or any combination that will impair the quality of concrete due to accelerated moisture loss and/or cement hydration. Most summer days in New York State would qualify as ‘Hot Weather’, using ACI’s definition.
Atterberg Limits of Fine-Grained Soils
In geotechnical engineering, the Atterberg Limits are simple and rapid tests utilized to classify fine-grained soils and to evaluate engineering properties, such as compressibility, permeability, shrink/swell, and shear strength of those soils.
PCB in Caulk
Polychlorinated biphenyls (PCB) are a group of manmade chemicals that were introduced in the 1930’s due to their chemical stability, non-flammability, high boiling point, and insulating properties.
ATL’s CEO is a Panelist for NYPA: Leadership In Uncertain Times
In recognition of Women’s History Month, ATL’s CEO, Marijean Remington, was invited to participate in New York Power Authority’s Supplier Diversity Program as a speaker for the “Leadership in Uncertain Times” panel discussion.
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