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Projects of CEN/TC 341

Document number Begin Title Comment
DIN EN ISO 16383-4 2025-07-28 Geotechnical investigation and testing - Laboratory testing of rock - Part 4: Determination of the basic friction angle of flat rock surfaces More  Comment 
DIN EN ISO 16383-3 2025-02-27 Geotechnical investigation and testing - Laboratory testing of rock - Part 3: Determination of the uniaxial compressive strength and deformability More  Comment 
DIN EN ISO 17892-13 2025-02-27 Geotechnical investigation and testing - Laboratory testing of soil - Part 13: Swelling test for Soils, Hard Soils and Soft Rocks - Procedure with cycles on a single specimen More  Comment 
DIN EN ISO 22476-1/A1 2025-01-21 Geotechnical investigation and testing - Field testing - Part 1: Electrical cone and piezocone penetration test - Amendment 1 More  Comment 
DIN EN ISO 18674-6 2024-02-21 Geotechnical investigation and testing - Geotechnical monitoring by field instrumentation - Part 6: Measurement of settelment : Hydraulic settlement systems More  Comment 
DIN EN ISO 18674-9 2024-01-19 Geotechnical investigation and testing - Geotechnical monitoring by field instrumentation - Part 9: Measurement of displacement by Geodetic means More  Comment 
DIN EN ISO 22477-6 2023-11-06 Geotechnical investigation and testing - Testing of geotechnical structures - Part 6: Load testing of soil nails and rock bolts (ISO/FDIS 22477-6:2025); German version FprEN ISO 22477-6:2025 More  Comment 
DIN EN ISO 16383-2 2023-10-27 Geotechnical investigation and testing - Laboratory testing of rock - Part 2: Determination of density and open porosity More  Comment 
DIN EN ISO 18674-7 2021-07-30 Geotechnical investigation and testing - Geotechnical monitoring by field instrumentation - Part 7: Measurement of strains: Strain gauges (ISO 18674-7:2025); German and English version FprEN ISO 18674-7:2025 More  Comment 

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