Road and airfield surface characteristics. Measurement of pavement surface to determine the average macrotexture depth using a volumetric patch technique. The equipment comprises:
Spreader disc with handle and rubber coated surface.
Wind shield
Soft and wire brushes.
Screw-adjusted compass 300 mm graduated rule.
Metallic cylinder for spheres volume measurement.
Two glass pyknometers with metallic screw top and pouring hole