NIST (National Institute of Standards and Technology) using Vic-3D for digital image correlation (DIC)

NIST is using the Vic-3D digital image correlation (DIC) system to analyze stress in bridges. By using DIC, they try to understand the impact of stresses and strains on the metal connectors of bridges in order to avoid damage or failure.

NIST is pre-straining a wide plate with digital image correlation (DIC) to determine the small-scale specimen sectioning plan:

https://www.nist.gov/video/pre-straining-pipeline-steel-plate

NIST is conducting a CWP test with digital image correlation (DIC) to determine local and remote strains used to determine the Tensile Strain Capacity of a flawed pipe girth-weld:

https://www.nist.gov/video/curved-wide-plate-testing

NIST is making an SE(T) test with digital image correlation (DIC) showing the asymmetric strain gradient of a specimen notched in the heat-affected zone:

https://www.nist.gov/video/single-edge-notch-tension-testing

DIC measurements on structural concrete

The ETH Zürich — one of our longstanding customers — provides on the following website their research project. They analyze the accuracy of digital image correlation within the scope of reinforced concrete. Prof. Dr. Walter Kaufmann and Dr. Jaime Mata Falcón are members of the project.

Full-field strain measurement in rebar tension

test: failure phase.

User videos on Youtube — Civil engineering

Ravi Ranade

Test of a ECC (Engineered Cementitious Composites) Beam under 4‑point loading.

Ravi Ranade

DIC measurement of a rectangular tensile specimen of High Volume Fly Ash ECC, loaded along the horizontal axis.

Three point bending test

The film shows a DIC Measurement using Vic-3D on a concrete beam during a three point bending test. The first crack opening <1µm is located at the lower right side of the beam.