Standard Guides for Using Rock-Mass Classification Systems for Engineering Purposes
STANDARD published on 1.2.2019
Designation standards: ASTM D5878-19
Publication date standards: 1.2.2019
The number of pages: 30
Approximate weight : 90 g (0.20 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
classification, classification system, coal mine roof rating (CMRR), Japanese rock mass classification systems, new Austrian tunneling method (NATM), Q-system (NGI), rock mass, rock mass rating system (RMR), rock material field classification system (RMFCS), rock quality designation (RQD), rock structure rating system (RSR), unified rock classification system (URCS) ,, ICS Number Code 07.060 (Geology. Meteorology. Hydrology)