Lateral thermal influences of roadway and railway embankments in permafrost zones along the Qinghai-Tibet Engineering Corridor
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作者:
Ma, Wei
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Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Univ Chinese Acad Sci, Beijing 100049, Peoples R ChinaChinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Ma, Wei
[1
,2
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Mu, Yanhu
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Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R ChinaChinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Mu, Yanhu
[1
]
Zhang, Jianming
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Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R ChinaChinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Zhang, Jianming
[1
]
Yu, Wenbing
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Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R ChinaChinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Yu, Wenbing
[1
]
Zhou, Zhiwei
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Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R ChinaChinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Zhou, Zhiwei
[1
]
Chen, Tuo
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China Univ Min & Technol, State Key Lab Geomech & Deep Underground Engn, Xuzhou 221116, Jiangsu, Peoples R ChinaChinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Chen, Tuo
[3
]
机构:
[1] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] China Univ Min & Technol, State Key Lab Geomech & Deep Underground Engn, Xuzhou 221116, Jiangsu, Peoples R China
In permafrost zones, the ground thermal regime beneath and around foundations is of great importance to long-term stability and integrity of engineering infrastructures. In this study, ground temperatures beneath and around embankments of the Qinghai-Tibet Highway (QTH) and the Qinghai-Tibet Railway (QTR) were observed at two profiles in continuous permafrost zones on the Qinghai-Tibet Plateau. The lateral thermal influences of the embankments on natural ground in the vicinity were analyzed based on the field observed data. The results indicated that the lateral thermal influence of the QTH and QTR embankments on shallow ground in the vicinity was very slight. The permafrost table depth or freeze-thaw process in the shallow ground near the embankments was mainly determined by the ground surface conditions. Different from the case of shallow ground, the lateral thermal influence of the QTH embankment on the permafrost in the vicinity was significant. Based on the permafrost temperature distribution at - 10 m depth, the scopes of the lateral thermal influence of the QTH embankment calculated from the embankment shoulder were as much as 30-40 m at the two observation profiles. Whereas, the lateral thermal influence of the QTR embankment on the permafrost in the vicinity was slight. Because the QTR was constructed using cooling method of crushed rock embankment at the two profiles, the underlying permafrost either maintained well in thermal regime or experienced a slight cooling. The factors affecting the scope of the lateral thermal influences of embankments on permafrost in the vicinity were discussed at the end of the paper, as well as the related mitigation method. This study provides information that could aid engineering design of linear transportation projects and the assessment of environmental impacts in permafrost zones.
机构:
Chinese Acad Sci, CAEERI, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R ChinaChinese Acad Sci, CAEERI, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Mu, Yanhu
Ma, Wei
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Chinese Acad Sci, CAEERI, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R ChinaChinese Acad Sci, CAEERI, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Ma, Wei
Wu, Qingbai
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Chinese Acad Sci, CAEERI, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R ChinaChinese Acad Sci, CAEERI, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Wu, Qingbai
Sun, Zhizhong
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Chinese Acad Sci, CAEERI, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R ChinaChinese Acad Sci, CAEERI, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Sun, Zhizhong
Liu, Yongzhi
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Chinese Acad Sci, CAEERI, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R ChinaChinese Acad Sci, CAEERI, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Liu, Yongzhi
Qu, Guangzhou
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Chinese Acad Sci, CAEERI, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Xinjiang Geol & Mineral Bur, Hydrogeol & Engn Geol Explorat Team 1, Urumqi 830091, Peoples R ChinaChinese Acad Sci, CAEERI, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
机构:
State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences
University of Chinese Academy of SciencesState Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences
LIU MingHao
CHENG GuoDong
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State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of SciencesState Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences
CHENG GuoDong
LIN ZhanJu
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State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of SciencesState Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences
LIN ZhanJu
LUO Jing
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机构:
State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences
University of Chinese Academy of SciencesState Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences
LUO Jing
YIN GuoAn
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机构:
State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences
University of Chinese Academy of SciencesState Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences
机构:
Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
CCCC First Highway Consultants Co Ltd, Key Lab Highway Construct & Maintenance Technol P, Minist Transport, Xian 710075, Peoples R ChinaChinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Niu FuJun
Liu MingHao
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机构:
Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Univ Chinese Acad Sci, Beijing 100049, Peoples R ChinaChinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Liu MingHao
Cheng GuoDong
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机构:
Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R ChinaChinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Cheng GuoDong
Lin ZhanJu
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机构:
Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R ChinaChinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Lin ZhanJu
Luo Jing
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机构:
Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Univ Chinese Acad Sci, Beijing 100049, Peoples R ChinaChinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Luo Jing
Yin GuoAn
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China
Univ Chinese Acad Sci, Beijing 100049, Peoples R ChinaChinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China