| 特殊地层条件下井壁破裂机理与防治技术的研究（之二） |
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| 引用本文： | 吕恒林,孟以猛.特殊地层条件下井壁破裂机理与防治技术的研究（之二）[J].中国矿业大学学报,1997,26(2):1-4. |
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| 作者姓名： | 吕恒林 孟以猛 |
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| 作者单位： | 中国矿业大学建筑工程学院，大屯煤电公司 |
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| 摘 要： | 阐述了特殊地层条件下井壁受力的新观念及设计井壁的荷载组合；通过模拟试验提出了能适应竖直附加力的新型冻结井壁结构和钻井井壁结构，并给出了设计参数和设计方法；开发出从改变井壁结构方面防止新建井筒井壁破裂的技术．
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| 关 键 词： | 模拟试验，井壁结构，竖直附加力 |
Mechanism and Prevention Techniques of Fracture Shaft Lining Failure in the Special Stratum (Part Two) |
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| Lu Henglin Yang Weihao Cheng Xilu,et al.Mechanism and Prevention Techniques of Fracture Shaft Lining Failure in the Special Stratum (Part Two)[J].Journal of China University of Mining & Technology,1997,26(2):1-4. |
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| Authors: | Lu Henglin Yang Weihao Cheng Xilu |
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| Abstract: | A new concept of stressed state as well as the design of loads on shaft lining under special stratum conditions is expounded. A new type of freezing and boring shaft lining structure capable of adapting a vertical additional force is put forward after modelling tests, and some parameters and methods for the design are given. A new technique for proventing a newly constructed shaft from fracturing is developed by changing the structure of shaft lining. |
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| Keywords: | modelling test shaft lining structure vertical additional force |
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