Geotechnical investigation and testing - Sampling methods and groundwater measurements - Part 1: Technical principles for execution (ISO 22475-1:2006); German version EN ISO 22475-1:2006— 127 стр.
Geotechnical investigation and testing - Identification and classification of rock - Part 1: Identification and description (ISO 14689-1:2003); German version EN ISO 14689-1:2003— 26 стр.
Geotechnical investigation and testing - Identification and classification of soil - Part 1: Identification and description (ISO 14688-1:2002); German version EN ISO 14688-1:2002— 14 стр.
Geotechnical investigation and testing - Geotechnical monitoring by field instrumentation - Part 1: General rules (ISO 18674-1:2015); German version EN ISO 18674-1:2015— 32 стр.
Geotechnical investigation and testing - Geotechnical monitoring by field instrumentation - Part 1: General rules (ISO 18674-1:2015); German version EN ISO 18674-1:2015— 32 стр.