Design Parameters Analysis of Insulated Embankments in Qinghai-Tibet Plateau Permafrost Region

Based on the problems of application of embankments with insulation in permafrost regions, a finite-element method (FEM) was adopted to analyze the influence on permafrost protection effects of the parameters such as insulation materials and thickness, embedded depth, annual mean permafrost temperature, and construction season timing. The FEM calculated results have shown that, in the long-term view of Qinghai-Tibet plateau with rising temperature, all embankments with insulation can protect the permafrost underneath and delay thawing of the permafrost table. The protection effects are related to insulation materials and thickness, embedded depth, construction season timing, and annual mean permafrost temperature. For embankment design, the influence of all parameters should be taken into account comprehensively, and the most appropriate parameters group should be adopted to protect the permafrost most effectively.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/13202939
• Supplemental Notes:
  • Abstract reprinted with permission from ASCE
• Authors:
  • Wang, Hai-nian
  • Dou, Ming-jian
• Publication Date: 2007-3

Language

• English

Media Info

• Media Type: Print
• Features: Figures; References; Tables;
• Pagination: pp 1-18
• Serial:
  • Journal of Cold Regions Engineering
  • Volume: 21
  • Issue Number: 1
  • Publisher: American Society of Civil Engineers
  • ISSN: 0887-381X
  • Serial URL: http://opjs.aip.org/cro

Subject/Index Terms

• TRT Terms: Design of specific facilities; Embankments; Finite element method; Frigid regions; Highway design; Highway engineering; Permafrost
• Geographic Terms: Qinghai-Tibet Plateau (China)
• Subject Areas: Design; Highways; I20: Design and Planning of Transport Infrastructure;

Filing Info

• Accession Number: 01045113
• Record Type: Publication
• Files: TRIS
• Created Date: Mar 21 2007 1:43PM