| 采用微型盾构换填营业线冻害路基施工技术 |
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| 引用本文： | 张宇.采用微型盾构换填营业线冻害路基施工技术[J].铁道建筑,2019(3):76-79. |
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| 作者姓名： | 张宇 |
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| 作者单位： | 沈阳局集团公司山海关工务段 |
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| 基金项目： | 中国铁路总公司科技研究开发计划(2016G003-J) |
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| 摘 要： | 为整治秦沈客运专线路基冻害,采用了微型盾构掘进换填冻害路基的整治技术,并制定了周密的施工计划和施工组织方案,保证了施工安全性,提高了施工效率。采用该技术进行路基冻害整治的施工工法是首次在国内应用,本文对具体的施工工艺、施工计划和施工组织方案予以介绍,供类似工程参考。
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| 关 键 词： | 铁路路基 铁路营业线施工 微型盾构 冻害整治 施工管控 |
Construction Technique on Replacement of Frost Damage Subgrade by Mini-shield for Operating Railway |
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| ZHANG Yu.Construction Technique on Replacement of Frost Damage Subgrade by Mini-shield for Operating Railway[J].Railway Engineering,2019(3):76-79. |
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| Authors: | ZHANG Yu |
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| Institution: | (Shanhaiguan Track Maintenance Division,China Railway Shenyang Group Co. Ltd. ,Jinzhou Liaoning 121000,China) |
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| Abstract: | In order to treat the frost damage of Qinhuangdao-Shenyang passenger dedicated railway subgrade,the technique of mini-shield tunneling was adopted to replace the frost damage subgrade,and a thorough construction plan and construction organization scheme are formulated to ensure the construction safety and improve the construction eff iciency.It is the first time that the construction method of frost damage subgrade treatment with this technique has been applied in China. The specif ic construction technique,construction plan and construction organization scheme are introduced for reference of similar projects in this paper. |
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| Keywords: | Railway subgrade Construction in operating railway Mini-shield Treatment of frost damage Construction management and supervision |
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