It is concluded that the freezing and thawing process and the thickness of active layers change with the changes of ground characteristics, affecting the permafrost further.

 
  • 結果表明,由于工程活動(dòng)改變了場(chǎng)地下墊面性質(zhì),造成了不同場(chǎng)地活動(dòng)層凍融過(guò)程、活動(dòng)層厚度等的差異,進(jìn)而影響了多年凍土變化。
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