中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Lateral thermal disturbance of embankments in the permafrost regions of the Qinghai-Tibet Engineering Corridor

文献类型:期刊论文

作者Zhang, Mingyi; Pei, Wansheng; Zhang, Xiyin; Lu, Jianguo
刊名NATURAL HAZARDS
出版日期2015-09-01
卷号78期号:3页码:2121-2142
关键词Lateral thermal disturbance Embankment Permafrost region Qinghai-Tibet Engineering Corridor
ISSN号0921-030X
DOI10.1007/s11069-015-1823-6
通讯作者Zhang, Mingyi(myzhang@lzb.ac.cn)
英文摘要Numerous engineering projects have been completed on the Qinghai-Tibet Plateau, and with continued economic growth, additional important engineering projects are being planned. Major transportation construction is largely restricted to the Qinghai-Tibet Engineering Corridor, which is as narrow as a few hundred meters in some places. In this narrow corridor, projects such as the Qinghai-Tibet Railway and the Qinghai-Tibet Highway can influence the stability of the permafrost. We use a numerical model to investigate the individual thermal disturbance caused by the Qinghai-Tibet Railway, the Qinghai-Tibet Highway, and the planned Qinghai-Tibet Expressway. To simulate an upper limit of disturbance under current climate we use the most unfavorable combination of engineering design practices, with unprotected embankments, a traditional ballast embankment for the Qinghai-Tibet Railway, and traditional asphalt pavement embankments for the Qinghai-Tibet Highway and the Qinghai-Tibet Expressway. The lateral thermal disturbance extent of the three projects increases linearly with embankment height. Under the same embankment heights, the lateral extent of thermal disturbance is smallest for the Qinghai-Tibet Railway and is largest for the full Qinghai-Tibet Expressway. The model results provide guidance for minimum distances between the transportation projects to prevent thermal interaction, as a function of embankment height and design. In future research it is important to evaluate the thermal disturbance scopes of other engineering structures, such as tunnels, bridges, and oil pipelines, and to evaluate the thermal interaction and cumulative impact of multiple structures under current and future climate scenarios.
收录类别SCI
WOS关键词ROADBED COOLING APPROACH ; RAILWAY ; HIGHWAY
WOS研究方向Geology ; Meteorology & Atmospheric Sciences ; Water Resources
WOS类目Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences ; Water Resources
语种英语
WOS记录号WOS:000358410300035
出版者SPRINGER
URI标识http://www.irgrid.ac.cn/handle/1471x/2557058
专题寒区旱区环境与工程研究所
通讯作者Zhang, Mingyi
作者单位Chinese Acad Sci, State Key Lab Frozen Soil Engn, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Mingyi,Pei, Wansheng,Zhang, Xiyin,et al. Lateral thermal disturbance of embankments in the permafrost regions of the Qinghai-Tibet Engineering Corridor[J]. NATURAL HAZARDS,2015,78(3):2121-2142.
APA Zhang, Mingyi,Pei, Wansheng,Zhang, Xiyin,&Lu, Jianguo.(2015).Lateral thermal disturbance of embankments in the permafrost regions of the Qinghai-Tibet Engineering Corridor.NATURAL HAZARDS,78(3),2121-2142.
MLA Zhang, Mingyi,et al."Lateral thermal disturbance of embankments in the permafrost regions of the Qinghai-Tibet Engineering Corridor".NATURAL HAZARDS 78.3(2015):2121-2142.

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来源:寒区旱区环境与工程研究所

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