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山东大学学报 (工学版) ›› 2015, Vol. 45 ›› Issue (5): 70-76.doi: 10.6040/j.issn.1672-3961.0.2014.369

• 土木工程 • 上一篇    

高速公路改扩建工程对高铁隧道的近接施工影响

孙克国1,2,仇文革1,2,王中平3,高笑雁3,龚伦1,2,孔超1,2   

  1. 1. 交通隧道工程教育部重点实验室(西南交通大学), 四川 成都 610031;2. 西南交通大学土木工程学院, 四川 成都 610031;3. 河南省弘阳高速公路有限公司, 河南 三门峡 472000
  • 发布日期:2020-05-26
  • 作者简介:孙克国(1981- ),男,山东青岛人,讲师,博士,主要研究方向为地下工程灾害防治机理. E-mail:sunkeg@126.com
  • 基金资助:
    国家自然科学基金资助项目(51108387,51178389,51208436);中央高校基本科研业务费专项资金资助项目(2682015CX089)

Study on approaching excavation influence between expanding projects of expressway and high speed railway tunnel under operation state

SUN Keguo1,2, QIU Wenge1,2, WANG Zhongping3, GAO Xiaoyan3, GONG Lun1,2, KONG Chao1,2   

  1. 1. Key Laboratory of the Ministry of Education of Transportation Tunnel Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, China;
    2.School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, China;
    3. Henan Hongyangy Expressway Company Limited, Sanmenxia 472000, Henan, China
  • Published:2020-05-26

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摘要： 依托连霍高速洛三段改扩建工程通过郑西高铁阌乡隧道上方这一工程案例,针对梁板式防护方案,在考虑围岩和衬砌劣化的基础上,采用强度折减法对高速公路改扩建工程中的最大挖方和超载运营两个状态的安全性分别进行了研究。结果表明隧道上方大体量挖方为控制性环节,梁板式防护方案能够保证阌乡隧道和改扩建工程的安全,所得结论为该近接工程的顺利施工提供了依据。在衬砌质量检测和无线监控手段的辅助下,顺利完成改扩建工程,证明了该研究成果的可靠性,可为类似近接工程的设计与施工提供技术参考。

关键词: 高速公路扩建, 高速铁路隧道, 强度折减法, 近接施工, 梁板式防护结构

Abstract: Relying on the expanding project of Lianhuo expressway Luosan segment crossing over the Wenxiang tunnel and utilizing the beam-slab protection scheme, the strength reduction method considering the reduction of both rock and liner was utilized to analyze the safety of maximum excavation and overload operation. The results showed that the maximum excavation was the most dangerous state and this scheme could guarantee the safety of both projects. This conclusion was dependable for constructing this adjacent project. With the help of quality testing for liner and the wireless monitoring method, this project was successfully constructed, which proved the result's reliability and could also provide technical reference for tunnel design and construction of similar adjacent projects.

Key words: expanding project of expressway, high speed railway tunnel, strength reduction method, approaching excavation, beam-slab protective structure

中图分类号: 

  • O319.56
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