全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
冰川冻土  2014 

融化夹层厚度影响因素分析与片块石路基降温效果研究

DOI: 10.7522/j.issn.1000-0240.2014.0102, PP. 854-861

Keywords: 融化夹层,年平均地温,融沉变形,路基高度,片块石路基

Full-Text   Cite this paper   Add to My Lib

Abstract:

青藏公路沿线存在大量融化夹层,常年不冻的融化夹层会使路基出现沉陷、波浪等病害,严重威胁道路的安全运营.通过对昆仑山垭口南至五道梁的地质勘探资料和地温观测数据进行分析,研究了融化夹层厚度与年平均地温、路基高度的关系,发现融化夹层厚度随年平均地温的升高而增大,随路基高度的升高呈先减小后增大的趋势.根据以上研究,提出片块石路基对融化夹层进行处治,保护路基下伏多年冻土,并通过五道梁段片块石路基试验工程进行验证.通过对地温观测数据分析,发现片块石路基能很好的消除融化夹层,在同一深度处片块石路基地温明显低于普通路基,很好的保护了下伏多年冻土.

References

[1]  Wang Shuangjie, Li Zhulong, Zhang Jinzhao, et al. Highway Construction Technology on Permafrost Regions[M]. Beijing: China Communications Press, 2008. [汪双杰, 李祝龙, 章金钊, 等. 多年冻土地区公路修筑技术[M]. 北京: 人民交通出版社, 2008.]
[2]  Luo Dongliang, Jin Huijun, Lin Lin, et al. Degradation of permafrost and cold-environments on the interior and eastern Qinghai Plateau[J]. Journal of Glaciology and Geocryology, 2012, 34(3): 538-546. [罗栋梁, 金会军, 林琳, 等. 青海高原中、 东部多年冻土及寒区环境退化[J]. 冰川冻土, 2012, 34(3): 538-546.]
[3]  Su Kai, Zhang Jianming, Liu Shiwei, et al. Compressibility of warm and ice-rich frozen soil[J]. Journal of Glaciology and Geocryology, 2013, 35(2): 369-375. [苏凯, 张建明, 刘世伟, 等. 高温-高含冰量冻土压缩变形特性研究[J]. 冰川冻土, 2013, 35(2): 369-375.]
[4]  Zhang Qinglong, Li Ning, Ma Wei, et al. Analyses of the thawing consolidation of fill embankments in warm permafrost regions[J]. Journal of Glaciology and Geocryology, 2014, 36(3): 614-621. [张青龙, 李宁, 马巍, 等. 高温冻土区填土路基融化固结变形分析[J]. 冰川冻土, 2014, 36(3): 614-621.]
[5]  Liu Shiwei, Zhang Jianming. Review on physic-mechanical properties of warm frozen soil[J]. Journal of Glaciology and Geocryology, 2012, 34(1): 120-129. [刘世伟, 张建明. 高温冻土物理力学特性研究现状[J]. 冰川冻土, 2012, 34(1): 120-129.]
[6]  Chen Jianbing, Wang Shuangjie, Zhang Jinzhao, et al. Formation and mechanism of high subgrade diseases of Qinghai-Tibet Highway[J]. Journal of Chang'an University (Natural Science Edition), 2008, 28(6): 30-35. [陈建兵, 汪双杰, 章金钊, 等. 青藏公路高路基病害的形成及其机理[J]. 长安大学学报(自然科学版), 2008, 28(6): 30-35.]
[7]  Wu Qingbai, Liu Yongzhi, Zhu Yuanlin. Thermal state of active layer under asphalt pavement of Qinghai-Tibet Highway[J]. Journal of Xi'an Highway University, 2001, 21(1): 23-25. [吴青柏, 刘永智, 朱元林. 青藏公路沥青路面下活动层的热状态分析[J]. 西安公路交通大学学报, 2001, 21(1): 23-25.]
[8]  Wu Qingbai, Tong Changjiang, Mi Haizhen. Changing characteristics of seasonal active layer under asphalt pavement in Qinghai-Tibet Highway[J]. Journal of Xi'an Highway University, 1995, 15(4): 1-5. [吴青柏, 童长江, 米海珍. 青藏公路沥青路面下季节活动层的变化特征[J]. 西安公路交通大学学报, 1995, 15(4): 1-5.]
[9]  Sheng Yu, Liu Yongzhi, Zhang Jianming, et al. Analysis on the thawing of permafrost underlying Qinghai-Tibetan Highway[J]. Journal of Glaciology and Geocryology, 2003, 25(1): 43-48. [盛煜, 刘永智, 张建明, 等. 青藏公路下伏多年冻土的融化分析[J]. 冰川冻土, 2003, 25(1): 43-48.]
[10]  Liu Ge, Fan Kai, Zhu Dongpeng, et al. Research of subgrade damages caused by the thaw bulb deviation and their disposal measure in permafrost regions[J]. Highway, 2008(9): 324-327. [刘戈, 樊凯, 朱东鹏, 等. 多年冻土区融化盘偏移引发路基病害的治理工程措施研究[J]. 公路, 2008(9): 324-327.]
[11]  Rooney J W. Rock fill embankment applications for convective foundation cooling on the BAM railway system[C]//Proceeding of the 5th International Symposium on Cold Region Development, Alaska, 1997: 399-402.
[12]  Cheng Guodong, Sun Zhizhong, Niu Fujun. Application of roadbed cooling methods in the Qinghai-Tibet Railway construction[J]. Journal of Glaciology and Geocryology, 2006, 28(6): 797-808. [程国栋, 孙志忠, 牛富俊. "冷却路基"方法在青藏铁路上的应用[J]. 冰川冻土, 2006, 28(6): 797-808.]
[13]  Qiu Yong, Qi Wenbin. Application of plate-stone ventilation layer in the highway embankment in permafrost regions[J]. West-China Exploration Engineering, 2010(11): 225-226. [邱勇, 祁文斌. 片石通风层在多年冻土地区公路路基中的应用[J]. 西部探矿工程, 2010(11): 225-226.]
[14]  Sun Zhizhong, Ma Wei. Effects of ballasts on temperature of embankment in permafrost region[J]. Journal of Railway Engineering Society, 2003(4): 59-61. [孙志忠, 马巍. 块石层对其下部路基土体温度的影响[J]. 铁道工程学报, 2003(4): 59-61.]
[15]  Mi Long, Lai Yuanming, Wu Ziwang, et al. The finite element analysis for temperature property of railway embankments in cold regions[J]. Journal of the China Railway Society, 2003, 25(2): 62-67. [米隆, 赖远明, 吴紫汪, 等. 高原冻土铁路路基温度特性的有限元分析[J]. 铁道学报, 2003, 25(2): 62-67.]
[16]  Goering D J, Kumar P. Winter-time convection in open-graded embankments[J]. Cold Regions Science and Technology, 1996, 24(1): 57-74.
[17]  Wang Shuangjie, Sun Binxiang, Xu Xiaozu, et al. Research on laboratory experiment of natural convection mechanism of embankment ballast[J]. China Journal of Highway and Transport, 2004, 17(2): 18-23. [汪双杰, 孙斌祥, 徐敩祖, 等. 路堤块石自然对流机理的室内模拟试验研究[J]. 中国公路学报, 2004, 17(2): 18-23.]
[18]  Sun Zhizhong, Ma Wei, Li Dongqing. Ground temperature characteristics of block stone embankment and traditional embankment at Beiluhe along Qinghai-Tibet Railway[J]. Chinese Journal of Geotechnical Engineering, 2008, 30(2): 303-308. [孙志忠, 马巍, 李东庆. 青藏铁路北麓河试验段块石路基与普通路基的地温特征[J]. 岩土工程学报, 2008, 30(2): 303-308.]
[19]  Xu Xiaozu, Sun Binxiang, Lai Yuanming, et al. Study on the long-term effects of ballast embankment of the Qinghai-Tibet Railway[J]. Journal of Glaciology and Geocryology, 2004, 26(1): 101-105. [徐敩祖, 孙斌祥, 赖远明, 等. 青藏铁路片石路基长期使用效果分析[J]. 冰川冻土, 2004, 26(1): 101-105.]

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133