| 超大盾构始发洞门密封技术 |
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| 引用本文： | 王建华.超大盾构始发洞门密封技术[J].现代交通技术,2011,8(2):57-58. |
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| 作者姓名： | 王建华 |
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| 作者单位： | 南京长江隧道有限责任公司,江苏,南京,210008 |
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| 摘 要： | 洞门密封施工是确保盾构安全始发、正常掘进的关键环节之一,南京长江隧道作为超大直径盾构隧道,盾构始发技术难度大,安全风险突出。工程实践中采用预埋密封钢环、橡胶帘布密封、二次密封及注高分子堵漏材料等技术措施确保了盾构安全始发,对今后类似工程的施工有较好借鉴意义。
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| 关 键 词： | 隧道工程 盾构 洞门密封 橡胶帘布 二次密封 |
Sealing Technology for Super-large Tunnel Shield Launching Portal |
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| Wang Jianhua.Sealing Technology for Super-large Tunnel Shield Launching Portal[J].Modern Transportation Technology,2011,8(2):57-58. |
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| Authors: | Wang Jianhua |
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| Institution: | Wang Jianhua(Nanjing Yangtze River Tunnel Co.,Ltd.,Nanjing 210008,China) |
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| Abstract: | Tunnel portal seal construction is a key part to ensure safety of shield canuching and normal excavation. As a super-large shield tunnel,Nanjing Yangtze River tunnel adopted technical measures such as embedding sealing steel ring,rubber cord sealing,secondary sealing and injection of polymer leak-stoppage materials,to ensure the smooth driving provide referece for similar projects. |
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| Keywords: | tunnel engineering shield tunnel portal sealing rubber cord secondary sealing |
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