| 砂卵石地层中泥水盾构机脱困技术方案分析 |
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| 引用本文： | 姚艺.砂卵石地层中泥水盾构机脱困技术方案分析[J].城市轨道交通研究,2017,20(10). |
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| 作者姓名： | 姚艺 |
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| 作者单位： | 上海三维工程建设咨询有限公司,200060,上海 |
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| 摘 要： | 盾构机在砂卵石地层中卡机是目前地下施工项目面临的较大的危险源之一.以兰州轨道交通1号线一期工程迎马区间泥水平衡盾构机在砂卵石层中卡机故障为例,分析了在沙卵石地层推进中盾构机卡机的原因,介绍了盾构机脱困技术方案,详细阐述了该技术方案的实施步骤和相关技术细节。
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| 关 键 词： | 城市轨道交通 盾构机 卡机 脱困 |
Analysis of Shield Machine Breakaway Technology in Sandy Pebble Formation |
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| YAO Yi.Analysis of Shield Machine Breakaway Technology in Sandy Pebble Formation[J].Urban Mass Transit,2017,20(10). |
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| Authors: | YAO Yi |
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| Abstract: | One of the major hazards in underground construction project is the seizing-up of shield machine in sandy pebble formation.Based on seizing-up troubles of the slurry balance shield machine in the Yingma Section on Lanzhou rail transit Line 1,the major reasons for machine seizing-up problem are analyzed.Then,a breakaway technology for the slurry balance shield machine is introduced,concrete implementation procedures and related technical details are elaborated. |
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| Keywords: | urban rail transit shield machine seizing-up breakaway |
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