Which rock mass classification system is widely used for tunnels?
A. Atterberg limits
B. Terzaghi system
C. RMR (Rock Mass Rating)
D. Casagrande method
Answer: Option C
Solution (By Examveda Team)
The RMR system evaluates rock mass quality using parameters like UCS, joint spacing, condition, and water conditions.It guides tunnel support design.Related Questions on Engineering Geology for Construction
What is the most important geological consideration before constructing a dam?
A. Soil fertility
B. Rock type and structure
C. Surface vegetation
D. Proximity to roads
Which test is commonly used to determine rock strength for construction suitability?
A. Permeability test
B. Schmidt hammer test
C. Sieve analysis
D. Vane shear test
What geological structure is most hazardous for tunnel construction?
A. Horizontal bedding
B. Fault zone
C. Anticline fold
D. Massive granite
The unconfined compressive strength of a rock is a measure of its:
A. Tensile strength
B. Load-bearing capacity without lateral support
C. Weathering rate
D. Porosity

Join The Discussion