| 路基掺砂改良土填筑施工方法 |
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| 引用本文： | 张志秀.路基掺砂改良土填筑施工方法[J].铁道建筑技术,2008(6):72-74. |
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| 作者姓名： | 张志秀 |
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| 作者单位： | 中铁三局集团第一工程有限公司重庆轻轨项目部,重庆,401121 |
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| 摘 要： | 填筑材料及施工工艺是控制填筑密实度的关键，对现有不合格填筑材料通过掺砂改良方法使之达到合格，工艺简单，成本较低，在路基填筑施工中已逐渐得到应用。介绍在洛湛铁路施工过程中掺砂改良土施工工艺。
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| 关 键 词： | 掺砂改良土 路基填筑 应用 |
The Application of Sand Reinforced Soils in Subgrade Filling |
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| Zhang Zhixiu.The Application of Sand Reinforced Soils in Subgrade Filling[J].Railway Construction Technology,2008(6):72-74. |
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| Authors: | Zhang Zhixiu |
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| Institution: | Zhang Zhixiu ( China Railway Third Bureau Group Co. Ltd. , Chongqing 401121, China) |
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| Abstract: | The requirement for the density of subgrade fillings is increased with the fast development of new construction techniques.The quality of filling materials and the construction methods are two key factors in controlling the density of filling. A modified method is introduced in this paper,that is,the properties of those unqualified filling materials can be greatly improved by adding coarse sand aggregates.Simple and low cost as this new method is,it has been gradually used in subgrade construction projects.As an example,such construction process on Luoyang-Zhanjiang railroad is introduced. |
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| Keywords: | sand reinforced soil subgrade filling application |
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