| 杭州地铁 4 号线越江隧道设计 重难点与解决对策 |
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| 引用本文： | 王 伟,蔡宗洋,张 戈. 杭州地铁 4 号线越江隧道设计 重难点与解决对策[J]. 都市快轨交通, 2018, 0(7): 86-91 |
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| 作者姓名： | 王 伟 蔡宗洋 张 戈 |
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| 作者单位： | 北京城建设计发展集团股份有限公司，北京 100034 |
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| 摘 要： | 杭州地铁4号线联庄站～水澄桥站区间隧道下穿钱塘江及两岸大堤，采用土压平衡盾构法施工。由于受钱塘江潮汐、江水冲刷等影响，施工过程中需解决钱塘江大堤保护、高水压下盾构施工、江底联络通道施工以及有压气体等重难点问题。针对以上设计重难点，从多角度、分阶段地提出相对应的解决思路，并通过现场实测结果验证了设计理论的正确性，为其他类似工程提供了很好的参考。
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| 关 键 词： | 杭州地铁4号线；越江隧道；钱塘江大堤；沼气；承压水 |
| 修稿时间： | 2018-10-12 |
Design Difficulties and Solutions of Cross-River Tunnel of Hangzhou Metro Line 4 |
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| Affiliation: | Beijing Urban Construction Design and Development Group Limited, Beijing 100034 |
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| Abstract: | The shield tunnel of Lianzhuang station to Shuichengqiao station of Hangzhou Metro Line 4 passed below QianTang river and its embankment with soil pressure balance shield method. Due to the effect of tide and scour, some important and difficult problems should be considered, such as embankment protection, shield tunnel under higher water pressure, excavation of connecting passage below river, and pressured gas. This paper presents a few ideas for above points in various of aspects and phases, makes theoretical correctness by field results, and offers a good example for similar projects. |
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