prEN ISO 16383-4

Geotechnical investigation and testing — Laboratory testing of rock — Part 4: Determination of the basic friction angle of flat rock surfaces

Current stage: 10.99 New project approved Jul 23, 2025

Originator: CEN

Owner: CEN/TC 341 Geotechnical Investigation and Testing

Type: European Norm

This standard will specify methods for the determination of the basic friction angle of flat rock surfaces in the laboratory.

IN_DEVELOPMENT
prEN ISO 16383-4
10.99 New project approved
Jul 23, 2025