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  2013 

冻融循环对寒区隧道结构冻胀力的影响

DOI: 10.7522/j.issn.1000-0240.2013.0103, PP. 913-919

Keywords: 冻胀力,温度场,应力场,数值模拟

Full-Text   Cite this paper   Add to My Lib

Abstract:

为了更全面的了解冻融循环和冻胀力作用对隧道的结构影响,以内蒙古寒区公路隧道的304国道阿拉坦公路隧道为依托,采用弹性力学方法计算阿拉坦隧道承受的冻胀力.采用大型有限元模拟软件ANSYS对隧道断面进行温度场-应力场的耦合分析,计算了工程50a冻融循环后隧道断面的冻胀力,并对比分析了弹性力学方法和现场测试结果.结果表明理论及数值模拟计算的结果之间能够较为近似的相互印证,可以通过对隧道冻胀力的理论及数值模拟计算结果的比对,及时了解隧道运营期间结构受力性状的变化情况,来判断隧道结构的安全度和可靠度.

References

[1]  Lai Hongpeng, Bao Weixing, Liu Miao. Study of long-term behaviours of waterproofer in cold region tunnel[J]. Journal of Glaciology and Geocryology, 2012, 34 (3): 632-637. [来弘鹏, 包卫星, 刘苗. 寒区隧道防水材料长期性能研究[J]. 冰川冻土, 2012, 34 (3): 632-637.]
[2]  Cheng Jia, Zhao Xiangqing, Yang Xiaoming. Research of fro-st-heaving ratio of typical soil samples from permafrost regions of Golmud-Lhasa Railway[J]. Journal of Glaciology and Geocryology, 2011, 33 (4): 863-866. [程佳, 赵相卿, 杨晓明. 青藏铁路多年冻土区典型土样冻胀率特性研究[J]. 冰川冻土, 2011, 33 (4): 863-866.]
[3]  Qiu Wen'ge, Sun Bing. Model test study of frost heaving pressures in tunnels excavated in fractured rock mass in cold regions[J]. Journal of Glaciology and Geocryology, 2010, 32 (3): 557-561. [仇文革, 孙兵. 寒区破碎岩体隧道冻胀力室内对比试验研究[J]. 冰川冻土, 2010, 32 (3): 557-561.]
[4]  Zhang Quansheng, Gao Guangyun, Yang Gengshe. Three-dimensional finite difference analysis of the temperature field of cold-region tunnels[J]. Journal of University of Science and Technology of Suzhou (Engineering and Technology), 2006, 19 (3): 15-20. [张全胜, 高广运, 杨更社. 寒区隧道温度场的三维有限差分分析[J]. 苏州科技学院学报(工程技术版), 2006, 19 (3): 15-20.]
[5]  Zhang Xuefu, Su Xinmin, Lai Yuanming, et al. Analyzing the effect of tunneling on temperature of permafrost in the Kunlun Mountains, Tibetan Plateau[J]. Journal of Glaciology and Geocryology, 2003, 25 (6): 621-627. [张学富, 苏新民, 赖远明, 等. 昆仑山多年冻土隧道施工温度影响分析[J]. 冰川冻土, 2003, 25 (6): 621-627.]
[6]  Chang Xiaoxiao, Ma Wei, Wang Dayan. Study on the strength of frozen clay at high confining pressure[J]. Journal of Glaciology and Geocryology, 2007, 29 (4): 636-639. [常小晓, 马巍, 王大雁. 高围压下冻结黏土的抗压强度试验研究[J]. 冰川冻土, 2007, 29 (4): 636-639.]
[7]  Wang Jianyu, Hu Yuanfang. A discussion on frost-heaving fo-rce on tunnel lining[J]. Journal of Glaciology and Geocryology, 2004, 26 (1): 112-119. [王建宇, 胡元芳. 隧道衬砌冻胀压力问题研究[J]. 冰川冻土, 2004, 26 (1): 112-119.]
[8]  Wu Ziwang, Lai Yuanming, Zang Enmu, et al. Tunnel Engineering in Cold Regions[M]. Beijing: China Ocean Press, 2003.
[9]  Li Xiaohong. New Austrian Tunneling Method and Measurement Technology[M]. Beijing: Science Press, 2002.[李丽娟, 张勃. 甘肃省综合自然灾害风险管理研究[J]. 冰川冻土, 2011, [STHZ]33[STBZ](6): 1414-1418.]

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133