So that it may be certain that a concrete specimen’s mechanical properties reach the strength and deflection imperatives for its intended use, concrete specimens with specific dimensions are prepared, ...

When compressive strength tests of laboratory-cured cylinders fail to meet the specified acceptance criteria, core tests are commonly used to verify the strength and to obtain acceptance of the ...

Concrete is the most used construction material in the whole world. More than that, behind water, it’s the most used material, all categories combined. Worldwide, about 10 billion tons of concrete are ...

Some basic NDT techniques utilized to assess concrete structures include:Once concrete has hardened, it is important to determine whether the final structure is suitable for its designated use. To do ...

If structural engineers have their way, building codes will take a leap forward in the next couple of years to allow the use of higher-strength 80-ksi reinforcing steel in concrete shear walls in high ...

JERSEY CITY -- You've likely never heard of the Port Authority Materials Engineering Unit lab, but the job it does is no less important. Nestled on the lower level of Port Authority's technical center ...

A recent series of dynamic tests demonstrates that there are several types and doses of steel-fiber reinforcement that can be used in performance-based seismic design of coupling beams—headers that ...

A concrete-testing laboratory faked results for a LaGuardia Airport control tower, the new Yankee Stadium, the Lincoln Tunnel and more than a dozen other projects around the city, creating thousands ...

Executives of a major safety lab surrendered Thursday to face charges they systematically faked concrete strength tests on dozens of buildings across the city. “None of the close to 3,000 test reports ...

AMES, Iowa – Sri Sritharan called up a digital map of the United States and pointed to a dark blue band running through the middle of the country. That’s wind country. The blue band runs east from the ...