Q178
In the Tokyo subway system, which challenge led to deformation of tunnel segments?
A.
Heat from traffic
B.
Soil swelling
C.
Differential settlement
AnswerD.
Acidic groundwater
Answer: Option C
Solution
Answer: Option C
Solution:
Differential settlement caused by variation in subsoil strength led to tunnel deformation. Engineers used segmental linings and compensation grouting to address it.