| 区间扩挖隧道纵向穿越立交桥施工加固技术 |
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| 引用本文： | 孔锤钢.区间扩挖隧道纵向穿越立交桥施工加固技术[J].铁道建筑技术,2011(3):113-117. |
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| 作者姓名： | 孔锤钢 |
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| 作者单位： | 中铁二十二局集团第六工程有限公司,哈尔滨,150001 |
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| 摘 要： | 哈尔滨市轨道交通一号线铁路局至教化广场区间隧道为扩挖隧道,穿越立交桥桩基。详细介绍该区间隧道扩挖的施工方法、加固方案的选择和确定,并通过对立交桥桥墩和地表进行沉降观测,指导扩挖施工顺利进行,从而保证施工风险可控。
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| 关 键 词： | 隧道扩挖 桥基加固 沉降变形 |
Reinforcement Technology in the Construction of Expanding Excavation Tunnel Crossing the Overpass Vertically |
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| Kong Chuigang.Reinforcement Technology in the Construction of Expanding Excavation Tunnel Crossing the Overpass Vertically[J].Railway Construction Technology,2011(3):113-117. |
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| Authors: | Kong Chuigang |
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| Institution: | Kong Chuigang (China Railway 22th Bureau Group Co.Ltd.,Harbin 150001,China) |
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| Abstract: | The tunnel of rail transit Line 1 from the railway station to Jiaohua Square in Harbin is an expanding excavation tunnel,crossing the piles of the overpass.This article states in detail how to choose and decide the construction method and the reinforcement scheme of the expanding excavation in this section.Through the observation of the settlement of the piles and the ground surface,the risk of the construction can be under control. |
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| Keywords: | expanding excavation bridge foundation reinforcement settlement deformation |
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