| 双层双跨平顶直墙暗挖地铁风道二次衬砌施工关键技术 |
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| 引用本文： | 杨威虎,杜江,刘焕强.双层双跨平顶直墙暗挖地铁风道二次衬砌施工关键技术[J].隧道建设,2008,28(4):465. |
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| 作者姓名： | 杨威虎 杜江 刘焕强 |
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| 作者单位： | 1. 中铁电气化局西安工程公司2. 北京交通大学 3. 石家庄铁道学院 |
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| 摘 要： | 大断面双层双跨平顶直墙暗挖地铁风道施工时具有开挖跨度相对较大，临时支护体系繁多，二次结构受力转换复杂的特点，针对北京地铁4号线石榴庄路站1#风道双层段的工程实践，分析总结大断面双层双跨平顶直墙结构中洞法开挖、受力转换、分块模筑等施工的几个关键技术环节，经实践检验，方案是合理的，可行的。
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| 关 键 词： | 双层双跨平顶直墙暗挖二衬模筑受力转换地铁风道换撑拆除 |
| 收稿时间： | 2008-01-07 |
| 修稿时间： | 2008-05-22 |
Key Technology for Construction of Secondary Lining of Mined Metro Ventilation Gallery with Double Story, Double Span, Flat Roof and Upright Wall |
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| YANG Weihu,DU Jiang,LIU Huanqiang.Key Technology for Construction of Secondary Lining of Mined Metro Ventilation Gallery with Double Story, Double Span, Flat Roof and Upright Wall[J].Tunnel Construction,2008,28(4):465. |
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| Authors: | YANG Weihu DU Jiang LIU Huanqiang |
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| Institution: | 1. Xi’an Railway Engineering Co., Ltd, Electrification Bureau Group, CREC2. Beijing
Jiaotong University3. Shijiazhuang Railway Institute |
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| Abstract: | The construction of mined Metro ventilation gallery with large cross-section,double storey,double span,flat roof and upright wall has such features as relatively large excavation span,complex temporary support system and complex load-shifting of the secondary lining structure.Taking the construction of the double-storey section of No.1 ventilation gallery of Shiliuzhuang Road Station on Line 4 of Beijing Metro as example,the authors summarize the key construction technology for the ventilation gallery with ... |
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| Keywords: | double-storey double-span flat roof upright wall mining secondary cast-in-situ concrete lining load shift ventilation gallery of Metro works support replacement demolition |
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