The Benkelman Beam Apparatus is designed to determine the deflection of a flexible pavement or road surface under moving wheel loads.

The Benkelman Beam Apparatus Comprises:
The equipment is light weight and made of aluminum for easy portability and use at any test location, the length of the Benkelman beam is 250cm One end of the beam rests at a point under investigation while the beam is pivoted in the center.

The free end carries a dial gauge to record the deflections while the other end is kept on a stable platform.