| 弱胶结砂层突涌机理及预测研究 |
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| 引用本文： | 张敏江,张丽萍,姜秀萍,刘福跃,张国忱.弱胶结砂层突涌机理及预测研究[J].金属矿山,2002(10):48-50. |
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| 作者姓名： | 张敏江 张丽萍 姜秀萍 刘福跃 张国忱 |
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| 作者单位： | 1. 沈阳建筑工程学院
2. 营口建筑设计院 |
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| 摘 要： | 第三纪和晚侏罗时期沉积的弱胶结粉细砂层在我国东北，西南地区有广泛的分布。以东北某矿区为例，根据我国矿山存在的井下砂层突涌的现象，利用室内模拟试验，探讨了弱胶结砂层在井下形成突水涌砂的机理，为预测，防止该类事故的发生提供理论依据。
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| 关 键 词： | 突涌机理 弱胶结砂层 临界水力坡度 动水压力 孔隙水压力 |
| 修稿时间： | 2002年6月15日 |
Study on the Inrushing Mechanism of Weak Cemented Quicksand Layer and Its Forecasting |
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| Zhang Minjiang,Zhang Liping.Study on the Inrushing Mechanism of Weak Cemented Quicksand Layer and Its Forecasting[J].Metal Mine,2002(10):48-50. |
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| Authors: | Zhang Minjiang Zhang Liping |
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| Affiliation: | Zhang Minjiang Zhang Liping (Shenyang Institute ofArchitechtural Engineering) Jiang Xiuping Liu Fuyue Zhang Guocheng(Yingkou Institute ofArchitecture Design) |
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| Abstract: | Weak cemented fine quicksand layer deposited at the Tertiary Period and Jurassic Period is widely distributed in China's northeast and southwest regions. With some mining district in the Northeast as example, in light of the inrushing phenomenon in the underground sand layer at China's mines and by laboratory analog test, the meachanism of inrushing formation in the underground weak cemented quicksand layer was explored so as to provid a theoretical ground for the forcasting and prevention of this kind of accident. |
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| Keywords: | Weak Cemented quicksand layer Critical hydraulic gradient Analog test Forecasting |
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