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5. Ground-temperature controlling effects of duct-ventilated railway embankment in permafrost regions

Ground-temperature controlling effects of duct-ventilated railway embankment in permafrost regions

来源 :中国科学：地球科学英文版 | 被引量 : 0次 | 上传用户：zsjbusiniao1

【摘 要】

：

Based on observed data from field-testing embankment of the Qinghai-Tibet Railway, ground-temperature controlling effect of duct-ventilated embankment is studie

【作 者】

：

NIU Fujun CHENG Guodong YU Qi 

【机 构】

：

StateKeyLaboratoryofFrozenSoilEngineering

【出 处】

：

中国科学：地球科学英文版

【发表日期】

：

2004年z1期

【关键词】

：

Qinghai-Tibet Railway permafrost ventilation embankment ground temperature h 

【基金项目】

：

This work was supported by the National Natural Science Foundation of China (Grant Nos. 50008016 and 40225001),Talent Cultivation Program of Western Light of the Chinese Academy of Sciences and the Kn

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Based on observed data from field-testing embankment of the Qinghai-Tibet Railway, ground-temperature controlling effect of duct-ventilated embankment is studied in this paper.The results show that ventilation ducts can effectively cool the soils surround

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