Q28
Which solution was applied in the stabilization of permafrost foundations in Alaska�s Trans-Alaska Pipeline?
A.
Refrigeration of soil
AnswerB.
Thermal blankets
C.
Vertical drains
D.
Soil replacement
Answer: Option A
Solution
Answer: Option A
Solution:
Soil refrigeration or thermosyphons were installed to keep permafrost frozen and stable, preventing settlement of the Trans-Alaska Pipeline.