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Benkelman Beam in Use AASHO Test road, ca 1962

Invented by Alvin Carlton Benkelman, this was an economical portable device to measure deflections of pavement under heavy loads which to this day carries his name, the Benkelman Beam.


Owner/SourceAlvin Benkelman, Jr.
Dateca 1962
Linked toAlvin Carlton Benkelman, Sr.

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