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Geological Engineering · Q28

Case Studies and Applied Geological Engineering Projects

Engineering and GATE · Geological Engineering · question 28

Q28

Which solution was applied in the stabilization of permafrost foundations in Alaska�s Trans-Alaska Pipeline?

A.
Refrigeration of soil
Answer
B.
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.