| 广州地铁3号线支线与主线交叉重叠段的设计与施工 |
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| 引用本文： | 麦家儿.广州地铁3号线支线与主线交叉重叠段的设计与施工[J].城市轨道交通研究,2005,8(5):63-67. |
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| 作者姓名： | 麦家儿 |
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| 作者单位： | 广州市地下铁道设计研究院,510010,广州 |
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| 摘 要： | 介绍了广州地铁3号线支线与主线交叉重叠段的情况,讨论了位于下方的支线石体区间的不同断面支护方案和施工铺助措施,以及位于上方的主线林体区间施工时的爆破方案及实施爆破后的监测。两隧道在施工过程中均未出现险情,隧道变形和地面变形也控制在设计范围内。可为以后隧道交叉段设计、施工提供参考。
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| 关 键 词： | 地铁 隧道施工 掘进工作面支护 峒室爆破 |
| 收稿时间： | 2005-02-25 |
| 修稿时间： | 2005年2月25日 |
Design and Construction for the Overlap of Main Line and Lateral Line in Guangzhou Metro Line 3 |
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| Mai Jiaer.Design and Construction for the Overlap of Main Line and Lateral Line in Guangzhou Metro Line 3[J].Urban Mass Transit,2005,8(5):63-67. |
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| Authors: | Mai Jiaer |
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| Abstract: | This paper introduces the overlap of two tunnels construction in Guangzhou Metro Line 3,discusses the supporting system of lateral-line,the regulatory measures in the construction of main-line,the blasting scheme and monitoring at the blasted site.As the result shows,the deformation of both tunnels and the ground is controled within the design scope.The author holds this experience is useful for similar projects on future tunnel construction of metro. |
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| Keywords: | subway tunnel construction excavation face support chamber blasting |
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