| 中隔墙(CRD)法斜下穿既有高速公路分离式隧道施工技术 |
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| 引用本文： | 李福成.中隔墙(CRD)法斜下穿既有高速公路分离式隧道施工技术[J].价值工程,2012,31(15):66-67. |
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| 作者姓名： | 李福成 |
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| 作者单位： | 中铁二十一局三公司,咸阳,712000 |
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| 摘 要： | 根据新建贵广铁路四寨二号隧道安全下穿厦蓉高速公路瑞坡隧道施工实例,在具有不均匀动荷载的浅埋围岩中修建大断面铁路隧道要保证其上部行车的安全,是隧道施工中的一大难题。通过对下穿过程中采用中隔墙(CRD)法施工取得成功的经验进行阐述、验证。
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| 关 键 词： | 双车道高速公路隧道 中隔墙(CRD)法施工 预裂爆破 监控量测 |
Construction Technology of Aslant Under-traversing Separated Tunnel of Existing Highway Using CRD Method |
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| Li Fucheng.Construction Technology of Aslant Under-traversing Separated Tunnel of Existing Highway Using CRD Method[J].Value Engineering,2012,31(15):66-67. |
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| Authors: | Li Fucheng |
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| Institution: | (China Railway 21st Bureau Group the 3rd Engineering Co.,Ltd.,Xianyang 712000,China)Li Fucheng |
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| Abstract: | According to the example of newly built four stockade 2th tunnel safely under-traversing Rui slope tunnel construction of Xiamen Rongjiang expressway,the construction of the railway tunnel of large cross section in shallow surrounding rock of non-uniform dynamic load to ensure the safety of its upper traffic is a major problem in the tunnel construction.This paper conducted the elaboration and validation on successful experience obtained in under-traversing using CRD construction. |
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| Keywords: | two-lane highway tunnel CRD construction presplitting blasting monitoring measurement |
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