Sciences in Cold and Arid Regions ›› 2015, Vol. 7 ›› Issue (5): 547-553.doi: 10.3724/SP.J.1226.2015.00547

• ARTICLES • Previous Articles    

Analysis of temperature field characteristics based on subgrade site measurements of Harbin-Qiqihar High-speed Railway in a deep seasonal frozen soil region

ZuRun Yue1,3, BoWen Tai2, TieCheng Sun1   

  1. 1. Graduate School, Shijiazhuang Tiedao University, Shijiazhuang, Hebei 050043, China
    2. School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China
    3. School of Civil Engineering, Shijiazhuang Tiedao University, Shijiazhuang, Hebei 050043, China
  • Received:2015-02-26 Revised:2015-05-25 Published:2018-11-23
  • Contact: ZuRun Yue, Professor of School of Graduate School, Shijiazhuang Tiedao University, Shijiazhuang, Hebei 050043, China. E-mail: 849941817@qq.com E-mail:849941817@qq.com
  • Supported by:
    This research is supported by the scientific research test of China Railway Corporation (Z2013-038), the National Natural Science Foundation of China (Nos. 51208320 and 51178281), and the Key Subject of China Railway Corporation (Nos. 2014G003-F and 2014G005).

Abstract: Recent years have seen a large number of high-speed railways built and will be built in seasonal frozen soil regions of China. Although high-speed railways are characterized by being fast, comfortable and safe, higher standards for deformation of the railways' frozen subgrade are required. Meanwhile, changes in subgrade soil temperatures are the main factors affecting the deformation of frozen subgrade. Therefore, this paper selected typical test subgrade sections of the Harbin-Qiqihar Line, a special line for passenger transport built in the deep seasonal frozen soil regions of China, to monitor field temperatures. Also, the temperature changing laws of railways' subgrade in this region was analyzed by using testing data, the aim of which is to provide a technical support for future design and construction of buildings and structures in a deep seasonal frozen soil region.

Key words: temperature field, deep seasonal permafrost soils, railways, subgrade

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