Standards:
To classify soils to BS 1377:2, ENV 1997-2, ASTM D4318, AASHTO T89
Specifications:
Geotechnical Gauge; water-resistant 127x203mm (5x8in) plastic card on a lanyard with a wealth of information for classification of soils. Six color chips, four patches of sized grains, and four tables for classifying:
Soils by particle size using the Unified Soils Classification System.
Coarse and fine grained soils into fifteen descriptive categories from gravels and sands to silts and clays.
Sand by type from very loose to very dense.
Clays from very soft to hard.
Edges of the card with separate 0-6in and 0-110mm scales.
