In tunnel design, which rock property is most relevant?

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