| 过江通道大直径盾构带压进仓查/换刀技术 |
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| 引用本文： | 卢春林.过江通道大直径盾构带压进仓查/换刀技术[J].探矿工程,2014,41(5):81-84. |
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| 作者姓名： | 卢春林 |
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| 作者单位： | 中铁隧道集团有限公司杭州公司,浙江杭州310030 |
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| 摘 要： | 大直径气垫式泥水平衡盾构机在不同地质条件长距离掘进中，都会对盾构机刀具产生不同程度的磨损，尤其在砂卵石为主的地层、石英含量超高岩层及上软下硬地层，盾构机刀盘、刀具更易磨损。为保证盾构机刀盘使用安全，需经常带压进仓进行刀具检查，对边滚刀、中心滚刀按不同磨耗标准进行更换。通过某过江通道带压进仓查/换刀工程实例，对大直径盾构带压进仓查/换刀施工工艺和方法进行总结。
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| 关 键 词： | 过江隧道 大直径盾构 带压进仓 掌子面 泥浆 液位升降 查 换刀 |
| 收稿时间： | 2014/3/10 0:00:00 |
| 修稿时间： | 2014/3/10 0:00:00 |
Cutter Inspection/Replacement in Cabin with Pressure for River Channel Construction by Large Diameter Shield |
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| LU Chun-lin.Cutter Inspection/Replacement in Cabin with Pressure for River Channel Construction by Large Diameter Shield[J].Exploration Engineering(Drilling & Tunneling),2014,41(5):81-84. |
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| Authors: | LU Chun-lin |
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| Institution: | LU Chun-lin (China Railway Tunnel Group Limited Company of Hangzhou, Hangzhou Zhejiang 310030, China) |
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| Abstract: | In long distance tunneling with large diameter air cushion slurry balance shield machine under different geolog-ical conditions, different degrees of wear on shield machine cutter will be produced; especially in sand and gravel based formation, the formation with excessive level of quartz and soft＆amp;hard formation, the cutter head and cutter are more easy to be worn.In order to ensure the safe use of shield machine cutter head, inspection and replacement of edge cutter and center cutter often should be done according to the different wear standards in the cabin with pressure.With an engineering case of cutter inspection/replacement in cabin with pressure for river channel construction, the paper summed up the con-struction technology of cutter inspection/replacement in cabin with pressure for large diameter shield. |
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| Keywords: | river channel large diameter shield working in cabin with pressure tunnel face mud liquid level fluctua-tion cutter inspection/replacement |
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