期刊
JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS
卷 125, 期 -, 页码 30-37出版社
ELSEVIER
DOI: 10.1016/j.jweia.2013.11.016
关键词
Qinghai-Tibet Railway; Windblown-sand damage; Prevention engineering measures
资金
- National Natural Sciences Foundation of China [51268050, 50908152]
The Qinghai-Tibet Railway (QTR) is the longest high-altitude railway in the world, which is frequently damaged by windblown sand. In order to prevent the sand damage, we constructed a sand-damage-prevention engineering system along the QTR. This was the first time a windblown-sand-prevention system was constructed in such a high-cold and arid environments; because of this, our work necessitated adjustments during the application of a number of different sand-damage-prevention engineering techniques. Based on detailed wind data and in situ observations of windblown sand, as well as systematic field measurements along the QTR, these sand-damage-prevention engineering measures were evaluated quantitatively and semi-quantitatively in this study. The results can be used to guide the design of sand-control structures, improve the existing sand-damage-prevention engineering system and optimize the structural performance of various sand-damage-prevention engineering measures. (C) 2013 Elsevier Ltd. All rights reserved.
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