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Sciences in Cold and Arid Regions ›› 2015, Vol. 7 ›› Issue (5): 520–527.doi: 10.3724/SP.J.1226.2015.00520

• ARTICLES • 上一篇    

Temperature monitoring of the XPS board insulated subgrade along the newly constructed Gonghe-Yushu Highway in permafrost regions

BoWen Tai1, JianHong Fang2, Lei Liu2, AnHua Xu2, JianKun Liu1,2, YaHu Tian1   

  1. 1. School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China
    2. Institute of Communications Science, Qinghai Province, Xining, Qinghai 810008, China
  • 收稿日期:2015-02-15 修回日期:2015-05-25 发布日期:2018-11-23
  • 通讯作者: JianKun Liu, Professor of School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China. Tel: +86-10-51684096; E-mail: jkliu@bjtu.edu.cn E-mail:jkliu@bjtu.edu.cn
  • 基金资助:
    This research is supported by the National Key Basic Research Program of China 973 Project (No. 2012CB026104), National Natural Science Foundation of China (No. 41271072 and No. 51378057) and Service Performance Evaluation of the Subsidiary Structure in The Permafrost Regions of the Qinghai Tibet Plateau (2014-07-01).

Temperature monitoring of the XPS board insulated subgrade along the newly constructed Gonghe-Yushu Highway in permafrost regions

BoWen Tai1, JianHong Fang2, Lei Liu2, AnHua Xu2, JianKun Liu1,2, YaHu Tian1   

  1. 1. School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China
    2. Institute of Communications Science, Qinghai Province, Xining, Qinghai 810008, China
  • Received:2015-02-15 Revised:2015-05-25 Published:2018-11-23
  • Contact: JianKun Liu, Professor of School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China. Tel: +86-10-51684096; E-mail: jkliu@bjtu.edu.cn E-mail:jkliu@bjtu.edu.cn
  • Supported by:
    This research is supported by the National Key Basic Research Program of China 973 Project (No. 2012CB026104), National Natural Science Foundation of China (No. 41271072 and No. 51378057) and Service Performance Evaluation of the Subsidiary Structure in The Permafrost Regions of the Qinghai Tibet Plateau (2014-07-01).

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摘要： On the basis of on-site measured data of the newly constructed Gonghe-Yushu Highway in a permafrost region, this paper analyzed thermal conditions of the subgrade with XPS insulated board according to different selected monitoring sections in various locations. We also summarized the geothermal distribution and change rules of subgrade with XPS insulation board under the asphalt pavement in summarized a high temperature frozen soil region. It is suggested that the shoulder of subgrade with XPS insulation board be widen to a reasonable width so as to keep the subgrade stable.

关键词: permafrost, highway, XPS insulation board, ground temperature

Abstract: On the basis of on-site measured data of the newly constructed Gonghe-Yushu Highway in a permafrost region, this paper analyzed thermal conditions of the subgrade with XPS insulated board according to different selected monitoring sections in various locations. We also summarized the geothermal distribution and change rules of subgrade with XPS insulation board under the asphalt pavement in summarized a high temperature frozen soil region. It is suggested that the shoulder of subgrade with XPS insulation board be widen to a reasonable width so as to keep the subgrade stable.

Key words: permafrost, highway, XPS insulation board, ground temperature

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