News & Events
Expansive Pyritic Shale: A Geotechnical Concern
Shale is the most abundant sedimentary rock type on Earth, comprising almost three-fourths of the entire sedimentary rock mass on the planet.
Short Form Specifications for Field Testing Fenestration Products
Did you know that AAMA 502 “Voluntary Specification for Field Testing of Newly Installed Fenestration Products” and AAMA 503 “Voluntary Specification for Field Testing of Newly Installed Storefronts, Curtain Walls and Sloped Glazing Systems” both offer standard “Short Form Specification” language for use by specifying professionals?
Laboratory Evaluation of Expansive Soil
Clay soil that expands beneath a structure after construction can cause upward heaving of slabs and footings, resulting in buckling of foundation walls due to excessive lateral forces on the walls. Identification of expansive soil during the design phase of a project is important, so that mitigation measures may be implemented during construction to prevent future slab and foundation distress.
ATL Senior Engineer Receives New ACI Certification
One of our Senior Engineers, Steve Moore, PE, recently obtained a new ACI Certification: Nondestructive Testing Specialist – Concrete Strength. The certification course was held at ACI’s new Southern California Resource Center in San Bernardino.
Common Methods for Forensic Evaluation of Concrete Structures
Concrete has been utilized for thousands of years as a building material and is now ubiquitously used in most of society’s infrastructure, including buildings, foundations, dams and levees, parking garages, bridges, water tanks, pipes and culverts, floors, sidewalks, and roads.
1,000,000 Hours Worked Without Lost Time!
ATL has reached 1,000,000 hours worked without a lost time injury!! We have been safely working towards this goal since January 21st, 2020, and officially reached it today, 745 days and counting.
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