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<< Click to Display Table of Contents >> Navigation: Eurocodice (EN 1997) > EN 1997 - 2 > Content of Eurocode 7-2 > Soil and rock sampling |
(1) P Samples shall contain all the mineral constituents of the strata from which they have been taken. They shall not be contaminated by any material from other strata or from additives used during the sampling procedure.
(2) P Three sampling method categories shall be considered (EN ISO 22475-1), depending on the desired sample quality as follows:
•category A sampling methods: samples of quality class 1 to 5 can be obtained;
•category B sampling methods: samples of quality class 3 to 5 can be obtained;
•category C sampling methods: only samples of quality class 5 can be obtained.
(6) P Soil samples for laboratory tests are divided in five quality classes with respect to the soil properties that are assumed to remain unchanged during sampling and handling, transport and storage.