News & Events
Concrete Slab Delamination
Delamination is a common type of concrete slab distress. Surficial delamination is when the finished surface of the concrete separates from the underlying slab. Although surficial delamination may not significantly affect the structural integrity of the slab, it increases the susceptibility of the concrete to environmental impacts, decreases durability, hampers functionality, and is not aesthetically pleasing.
ATL Receives Accreditation for ASTM C666 and ASTM C215
ATL has received AASHTO Laboratory accreditation for ASTM C666: Standard Test Method for Resistence of Concrete to Rapd Freezing and Thawing and ASTM C215: Standard Test Method for Fundamental Tranverse, Longitudinal, and Torsional Resonant Frequencies of Concrete Specimens.
Testing of Newly Installed Fenestration Products
Air and water passing through a building envelope can create an uncomfortable environment, increase energy costs, cause property damage, and create health and safety hazards. Fenestration products, including windows, doors, skylights, and curtain walls, are designed to allow the passage of people and light, while restricting the passage of air, water, noise, and debris.
ATL Introduces Impact Echo Testing and Expands GPR Services
ATL is expanding our concrete NDT services with the recent purchase of impact echo equipment and an additional ground penetrating radar instrument.
Entrained Air Void System to Reduce Potential for Freeze-Thaw Damage to Concrete
Cyclic changes in temperature, which cause liquid water to alternatively freeze and thaw within saturated, hardened concrete, can damage the concrete when the water within capillary pores and microcracks in the cement paste freezes and turns to ice. Concrete paste with a high water/cement ratio can be especially susceptible to freeze-thaw damage, since it contains a correspondingly high volume of capillary pores within which liquid water can reside.
ATL Receives Accreditation for ASTM C 1260
ATL requested accreditation for ASTM C 1260: Standard Test Method for Potential Alkali Reactivity of Aggregates. Due to the current COVID-19 health precautions, CCRL performed the inspection through Microsoft teams video conferencing.
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