Normas y guías aplicadas
ASTM (American Society of Testing Materials o Asociación Americana de Ensayo de Materiales)
ASTM D653: Standard terminology relating to soil, rock, and contained fluids.
ASTM D2488: Standard practice for description and indentification of soils (visual-manual procedure).
ASTM D2487: Standard practice for classification of soils for engineering purposes (Unified Soil Classification System).
BSI (British Standards Institution)
BS EN ISO 14688-1: Geotechnical investigation and testing – Identification and classification of soil. Part 1: Identification and description.
NZGS (New Zeland Geotechnical Society)
Field description of soil and rock. Guideline for the filed classification and description of soil and rock for engineering purposes.
NTP (Norma Técnica Peruana)
NTP 339.150: Descripción e identificación de suelos. Procedimiento visual-manual.
NTP 339.134: Método para clasificación de suelos con propósitos de ingeniería (Sistema Unificado de Clasificación, SUCS).