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冰川冻土  2015 

深冻结井筒温度场成孔弱界面分析

DOI: 10.7522/j.issn.1000-0240.2015.0049, PP. 434-439

Keywords: 深冻结井,弱界面,成孔孔距,投影长度,内偏值

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Abstract:

两个孔形成的冻结壁强度弱面通常位于两冻结孔界面上,但对于深冻结井筒成孔孔位,冻结壁薄弱界面选择具有一定的复杂性.针对深冻结井筒温度场成孔弱界面,应用数值模拟软件ANSYS分析了世界第一深冻结井筒在三个水平位置上冻结孔实际孔位下温度场弱界面参数.结果表明冻结壁弱界面确定不仅要考虑成孔最大孔间距,同时也要评定成孔孔距到设计圈径上的投影长度、相邻孔的分布特征及成孔内偏值.首次指出成孔孔距到设计圈径上的投影长度为冻结壁弱界面评定条件之一,具有重要意义.

References

[1]  Zhang Yan. Using finite element method to predict the formation and temperature distribution of the freezing-wall in the freezing method of shaft sinking[J]. International Journal of Coal Science & Technology, 1979(2): 29-38. [张燕. 预报冻结壁形成及其温度分布的有限元方法[J]. 煤炭学报, 1979(2): 29-38.]
[2]  Wang Jianping, Liu Xiaomin, Chen Honglei. Freezing large shaft design of about one kilometer deep[J]. Journal of Glaciology and Geocryology, 2012, 34(6): 1358-1363. [王建平, 刘晓敏, 陈红蕾. 深大井筒近千米冻结设计的探讨[J]. 冰川冻土, 2012, 34(6): 1358-1363.]
[3]  Ren Yanlong, Yang Weihao, Wang Yansen. Numerical simulation of freezing temperature field of a mining well[J]. West-China Exploration Engineering, 2003(3): 89-90. [任彦龙, 杨维好, 王衍森. 某矿井冻结温度场的数值模拟[J]. 西部探矿工程, 2003(3): 89-90.]
[4]  Zhang Tao, Yang Weihao, Song Lei, et al. Research on the freezing wall temperature field of three-circle pipes with particle heat preservation in deep mine shaft[J]. Energy Technology and Management, 2009(5): 127-130. [张涛, 杨维好, 宋雷, 等. 深井三圈管局部保温冻结温度场研究[J]. 能源技术与管理, 2009(5): 127-130.]
[5]  Shen Jiliang, Cui Yunlong, Wang Jiefeng. Construction engineering manual: Vol. 4[M]. Beijing: China Coal Industry Publishing House, 1986. [沈季良, 崔云龙, 王介峰. 建井工程手册: 第四卷[M]. 北京: 煤炭工业出版社, 1986.]
[6]  Wang Yansen, Yang Weihao, Ren Yanlong. Numerical back analysis and simulation of temperature field for shaft sinking with artificial ground freezing method[J]. Journal of China University of Mining & Technology, 2005, 34(5): 626-629. [王衍森, 杨维好, 任彦龙. 冻结法凿井冻结温度场的数值反演与模拟[J]. 中国矿业大学学报, 2005, 34(5): 626-629.]
[7]  Zhou Shengquan, Chen Haiming. Wall temperature field of a deep frozen shaft in Cretaceous strata[J]. Journal of Glaciology and Geocryology, 2013, 35(5): 1232-1236. [周盛全, 陈海明. 白垩系地层深井冻结温度场分布规律[J]. 冰川冻土, 2013, 35(5): 1232-1236.]
[8]  Hu Kai, Lai Yuanming. Experimental study on the strength parameters and strength criteria of saline frozen silty sand[J]. Journal of Glaciology and Geocryology, 2014, 36(5): 1199-1204. [胡凯, 赖远明. 含盐冻结粉质砂土的强度参数和强度准则试验研究[J]. 冰川冻土, 2014, 36(5): 1199-1204.]

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