Cooling effectiveness analysis of the vent-pipe, cast-detritus and heat preservation material on protecting embankment in permafrost regions

WU Zhi-jian; MA Wei; SHENG Yu; NIU Fu-jun; SUN Zhi-zhong

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Cooling effectiveness analysis of the vent-pipe, cast-detritus and heat preservation material on protecting embankment in permafrost regions

更新时间：2026-06-25

- Cooling effectiveness analysis of the vent-pipe, cast-detritus and heat preservation material on protecting embankment in permafrost regions
- Vol. 26, Issue 8, (2005)
- 作者机构：
  
  1. 中国科学院寒区旱区环境与工程研究所冻土工程国家重点实验室,兰州,730000
  2. 中国地震局地震预测研究所兰州基地,兰州,730000
- 作者简介：
- 基金信息：
- DOI：
  CLC： U21
- Online First：26 December 2013，
  
  Published：2005
- 稿件说明：
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WU Zhi-jian, MA Wei, SHENG Yu, et al. Cooling effectiveness analysis of the vent-pipe, cast-detritus and heat preservation material on protecting embankment in permafrost regions[J]. 2005, 26(8).
DOI：

WU Zhi-jian, MA Wei, SHENG Yu, et al. Cooling effectiveness analysis of the vent-pipe, cast-detritus and heat preservation material on protecting embankment in permafrost regions[J]. 2005, 26(8). DOI：

摘要

根据青藏铁路北麓河试验段2年以来的气温降温期的现场监测资料，对多年冻土区保护冻土路堤的3种典型结构型式的试验段（通风管路堤、抛碎石护坡路堤和保温材料路堤）各断面的地温规律进行了分析和积温计算。试验段初步计算结果表明，3种路基结构型式对于保护多年冻土区路堤均能起到一定的作用，为青藏铁路在多年冻土区保护冻土路堤的设计和施工提供了一定的理论依据。

Abstract

Based on the local supervising data of air temperature decreasing period of Beiluhe testing segment of the Qinghai-Tibet Railway during the past two years

and through analyzing the ground temperature rule of the vent-pipe embankment

cast-detritus protecting slope embankment and heat preservation material embankment testing segments

and calculating the accumulating temperature of the above segments; the results show that the three engineering measures have some effects on protecting the permafrost roadbed. In some way

it can be used for reference in constructing the Qinghai-Tibet Railway in permafrost regions.

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