The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. prEN 1997-1, Eurocode 7: Geotechnical design — Part 1: General rules prEN 1997-2, Eurocode 7: Geotechnical design — Part 2: Ground investigation and testing. CEN ISO/TS 17892-1, Geotechnical investigation and testing — Laboratory testing of soil — Part 1: Determination of water content (ISO/TS 17892-1:2004). CEN ISO/TS 17892-2, Geotechnical investigation and testing — Laboratory testing of soil — Part 2: Determination of density of fine grained soil (ISO/TS 17892-2:2004). CEN ISO/TS 17892-3, Geotechnical investigation and testing — Laboratory testing of soils — Part 3: Determination of density of soild particles — Pycnometer method (ISO/TS 17892-3:2004).