ISO 22476-3:2004 specifies requirements for indirect investigations of soil by standard penetration tests within the scope of the geotechnical investigations according to EN 1997-1 and EN 1997-2 to compliment direct investigations (e.g. sampling according to EN ISO 22475-1).
Tämän julkaisun valmistelusta Suomessa vastaa Väylä, puh. 0295 343000 (vaihde).
Sisällysluettelo
Foreword
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Equipment
4.1 Drilling equipment
4.2 Sampler
4.3 Drive rods
4.4 Drive weight assembly
4.5 Optional equipment
5 Test Procedure
5.1 Equipment checks and calibration
5.2 Preparation of the borehole
5.3 Test execution
5.4 Safety requirements
6 Test results
7 Reporting
7.1 Field report
Annex A Correction factors (informative)
Annex B Recommended method to measure the actual energy (informative)