Sand Patch Method Pavement Macrotexture Depth Kit

Kit of glass beads or fine sand, spreader disc and measuring cylinder to determine mean texture depth of road surfaces. Used for texture acceptance on highways and runways.

Specification

A known volume of standard material is spread in a circular patch on the road surface, and the patch diameter gives mean texture depth. The method is simple, field proven and a reference for macrotexture. The kit comes in a rugged case with a windshield.

Features

• Spreader disc with hard rubber base 65 mm
• Calibrated 25 cm3 measuring cylinder
• Windshield ring for site work
• Includes sand sieve and brush
• Packed in a portable case

Technical Specifications

Material volume	25000 mm3 (25 cm3)
Spreader disc	65 mm dia with rubber face
Measuring range	0.2 to 5 mm texture depth
Sand grading	Passing 0.30 mm and retained on 0.15 mm
Windshield	300 mm dia
Standards	ASTM E965, EN 13036-1, IRC 36 (reference)
Material	Aluminium and rubber

Standard Accessories

• Standard sand 2 kg
• Spreader disc
• Brush and scale