| 包兰二线铁路某段硫酸盐渍土的盐胀特性及其病害防治 |
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| 引用本文： | 朱芝同,李国民. 包兰二线铁路某段硫酸盐渍土的盐胀特性及其病害防治[J]. 地质灾害与环境保护, 2011, 22(3): 84-88 |
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| 作者姓名： | 朱芝同 李国民 |
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| 作者单位： | 中国地质大学(北京)工程技术学院,北京,100083 |
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| 摘 要： | 该路段地表硫酸盐渍土的形成与其地形地貌、气候、工程地质和水文地质条件有关.硫酸钠含量、含水量和温度是产生盐胀的主要因素.防治该段路基盐胀病害,应针对这些条件和因素,综合选用提高路基、设置隔断层、换填垫层、设置地面隔热层或化学处置等方法.
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| 关 键 词： | 硫酸盐渍土 盐胀 路基处理 |
SALT EXPANDABILITY OF SULFURIC ACID SALINE SOIL AND ELIMINATING ITS HAZARDS ON THE SECOND BAO-LAN RAILWAY |
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| Zhu Zhi-tong,Li Guo-min. SALT EXPANDABILITY OF SULFURIC ACID SALINE SOIL AND ELIMINATING ITS HAZARDS ON THE SECOND BAO-LAN RAILWAY[J]. Journal of Geological Hazards and Environment Preservation, 2011, 22(3): 84-88 |
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| Authors: | Zhu Zhi-tong Li Guo-min |
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| Affiliation: | Zhu Zhi-tong,Li Guo-min(College of Engineering Technology of China University of Geosciences,Beijing 100083,China) |
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| Abstract: | The formation conditions of the sulfuric acid saline soil include topography,climate,engineering geology and hydrologic geology.Its salt expandability results mainly from sodium sulfate content,water content and temperature.In the roadbed treatment,the salt expansion or its hazards should be comprehensively controlled in accordance with these conditions and factors by raising the roadbed,building set-off layers,changing cushions,placing insulation or conducting chemical treatment. |
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| Keywords: | sulfuric acid saline soil salt expandability roadbed treatment |
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