EN 1997-1 is intended to be used as a general basis for the geotechnical aspects of the design of buildings and civil engineering works.
EN 1997-1 is accompanied by Annexes A to J, which provide:
EN 1997-2 is intended to be used in conjunction with EN 1997-1 and provides rules supplementary to EN 1997-1 related to planning and reporting of ground investigations, general requirements for a range of commonly used laboratory and field tests, interpretation and evaluation of test results and derivation of values of geotechnical parameters and coefficients.
There is no longer a Part 3. It was amalgamated into EN 1997-2
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