The Solutions and Practical Results for Permafrost Engineering Problems of Qinghai -Tibet Railway

DOI

10.2991/eesed-16.2017.44How to use a DOI?

Keywords

Qinghai-Tibet Railway; Permafrost; Engineering Problems; Monitoring system; Embankment deformation and cracks; Ground temperature

Abstract

The Qinghai-Tibet Railway (QTR) is the highest-elevation one for passenger trains in the world and the first railway to connect central China with Tibet. It has kept operating very well for nearly 10 years so far. In this paper, the major solutions to geotechnical problems of permafrost for the construction and their effects are investigated, which are active methods of crushed roadbeds, heat pipe roadbed and dry bridges for construction. The major engineering problems, railway embankment cracks and deformation after operation and their solutions are given, which are active protections of more slice stones along embankment slopes, extra heat pipes along sunny embankment slope and reclaimed soil to keep from water. The observations from the long-term monitoring system have shown that the engineering protections of the Qinghai-Tibet Railway are completely successful no matter what design, construction, and operation.

Copyright

© 2017, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Shun-Hua Xu
AU  - Zhi-Jian Wu
AU  - Lu-Xin Zhang
PY  - 2016/08
DA  - 2016/08
TI  - The Solutions and Practical Results for Permafrost Engineering Problems of Qinghai -Tibet Railway
BT  - 2nd Annual International Conference on Energy, Environmental & Sustainable Ecosystem Development (EESED 2016)
PB  - Atlantis Press
SP  - 325
EP  - 332
SN  - 2352-5401
UR  - https://doi.org/10.2991/eesed-16.2017.44
DO  - 10.2991/eesed-16.2017.44
ID  - Xu2016/08
ER  -