Exothermic process of cast-in-place pile foundation and its thermal agitation of the frozen ground under a long dry bridge on the Qinghai-Tibet Railway
文献类型：期刊论文
| 作者 | Wu, Ya-ping1,2; Guo, Jian1; Guo, Chun-xiang2; Ma, Wei3; Wang, Xiao-jun1 |
| 刊名 | JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A
 |
| 出版日期 | 2010-02-01 |
| 卷号 | 11期号:2页码:88-96 |
| 关键词 | Exothermic process of hydration heat Cast-in-place (CIP) pile foundation Dry bridge Thermal agitation Frozen ground Qinghai-Tibet Railway |
| ISSN号 | 1673-565X |
| DOI | 10.1631/jzus.A0900522 |
| 通讯作者 | Guo, Jian(guoj@vip.163.com) |
| 英文摘要 | A number of dry bridges have been built to substitute for the roadbed on the Qinghai-Tibet Railway, China. The aim of this study was to investigate the exothermic process of cast-in-place (CIP) pile foundation of a dry bridge and its harm to the stability of nearby frozen ground. We present 3D heat conduction functions of a concrete pile and of frozen ground with related boundaries. Our analysis is based on the theory of heat conduction and the exponent law describing the adiabatic temperature rise caused by hydration heat. Results under continuous and initial conditions were combined to establish a finite element model of a CIP pile-frozen ground system for a dry bridge under actual field conditions in cold regions. Numerical results indicated that the process could effectively simulate the exothermic process of CIP pile foundation. Thermal disturbance to frozen ground under a long dry bridge caused by the casting temperature and hydration heat of CIP piles was substantial and long-lasting. The simulated thermal analysis results agreed with field measurements and some significant rules relating to the problem were deduced and conclusions reached. |
| 收录类别 | SCI |
| WOS关键词 | COLD REGIONS ; PERMAFROST ; PERFORMANCE |
| WOS研究方向 | Engineering ; Science & Technology - Other Topics ; Physics |
| WOS类目 | Engineering, Multidisciplinary ; Multidisciplinary Sciences ; Physics, Applied |
| 语种 | 英语 |
| WOS记录号 | WOS:000274457800003 |
| 出版者 | ZHEJIANG UNIV |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2556373 |
| 专题 | 寒区旱区环境与工程研究所 |
| 通讯作者 | Guo, Jian |
| 作者单位 | 1.Zhejiang Univ, Sch Civil & Architecture Engn, Ningbo Inst Technol, Ningbo 315100, Zhejiang, Peoples R China 2.Lanzhou Jiaotong Univ, Sch Civil Engn, Lanzhou 730070, Peoples R China 3.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 | Wu, Ya-ping,Guo, Jian,Guo, Chun-xiang,et al. Exothermic process of cast-in-place pile foundation and its thermal agitation of the frozen ground under a long dry bridge on the Qinghai-Tibet Railway[J]. JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A,2010,11(2):88-96. |
| APA | Wu, Ya-ping,Guo, Jian,Guo, Chun-xiang,Ma, Wei,&Wang, Xiao-jun.(2010).Exothermic process of cast-in-place pile foundation and its thermal agitation of the frozen ground under a long dry bridge on the Qinghai-Tibet Railway.JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A,11(2),88-96. |
| MLA | Wu, Ya-ping,et al."Exothermic process of cast-in-place pile foundation and its thermal agitation of the frozen ground under a long dry bridge on the Qinghai-Tibet Railway".JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A 11.2(2010):88-96. |
入库方式： iSwitch采集
来源：寒区旱区环境与工程研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。