Q14
Which property of rock is most important for tunnel engineering?
A.
Hardness
B.
Fracture pattern and joint spacing
AnswerC.
Color
D.
Temperature
Answer: Option B
Solution
Answer: Option B
Solution:
Fracture pattern and joint spacing determine the stability of rock masses around a tunnel. These factors affect how much support is needed. Correct Answer: Fracture pattern and joint spacing.