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大断面黄土隧道斜井进入正洞挑顶施工技术
引用本文:初厚永.大断面黄土隧道斜井进入正洞挑顶施工技术[J].铁道建筑技术,2010(12):44-49.
作者姓名:初厚永
作者单位:中铁二十三局集团有限公司,成都610031
摘    要:结合郑西铁路客运专线高桥和潼洛川两座隧道三个斜井交叉口段的成功施工实例,对两种不同的挑顶方案分别进行了介绍,并从安全、进度和费用这三个方面进行了比较,总结出一些施工过程中的应该注意事项,为今后类似工程提供参考。

关 键 词:大断面黄土隧道  斜井挑顶  施工技术

Ripping Construction Technology for Inclined Shaft Entering Straight Tunnels in Large-section Loess Tunnel
Chu Houyong.Ripping Construction Technology for Inclined Shaft Entering Straight Tunnels in Large-section Loess Tunnel[J].Railway Construction Technology,2010(12):44-49.
Authors:Chu Houyong
Institution:Chu Houyong (China Railway 23(rn) Bureau Group Co.Ltd.,Chengdu 610031,China)
Abstract:Combined with the successful construction practice of three inclined shafts intersection of a high bridge in Zhengzhou-Xi'an Passenger Dedicated Line and two tunnels in Tongluochuan,this paper introduces respectively two different ripping schemes,compares the two from the aspects of safety,progress rate and cost,and summarizes things needing attentions in the construction process,which can be reference for similar projects.
Keywords:large-section loess tunnel  inclined shaft ripping  construction technique
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