2011年10月下 施工技术 第40卷第351期 CONSTRUCTION TECHNOLOCY 53 桃园二号隧道施工技术研究 程浩，周建春 (华南理工大学土木与交通学院，广东广州510640) [摘要]桃园二号隧道位于广州增城至从化高速公路中段从化境内，隧道地质构造复杂，岩体破碎.为确保施工安 全，减少和避免地质灾害的发生，采用新奥法施工.详细介绍关键工序及工艺控制，并采用TCP206及LTD2100技 术进行超前地质预报，有效提高了速度分析精度和构造定位精度，采用动态设计与信息化施工，通过超前地 质预报系统、监控量测等手段，对施工信息进行采集、分析、，在确保施工安全、优化设计等方面取得较好效果. [关键词]隧道工程；超前地质预报；监控：施工技术 [中图分类号]U455.4 [文献标识码]A[文章编号]1002-8498(2011)20-0053-04 Research on Construction Technology in No.2 Taoyuan Tunnel Cheng Hao Zhou Jianchun School of Civil Engineering and Transportation South China University of Technology Guangzhou Guangdong 510640 China) Abstract:No.2 Taoyuan tunnel is a segment of Zengcheng-Conghua expressway in Conghua and the geological structure is plex and the rock is fragmented.Therefore new austrian tunneling method is adopted to ensure the safety of the construction and to eliminate geological hazard.The key process and technology are introduced.The advanced prediction of TGP206 and LTD2100 is applied.Then the application shows that the advanced prediction can effectively improve the precision of the velocity analysis and structure location.Dynamic feed-back design and information-aided construction are executed for the tunnel.By advance geological forecasting system and monitoring the construction information is collected analyzed and feed-back.At last good effects are achieved for ensuring the construction safety and optimizing the design. Key words:tunnels;advanced geological forecasting;monitoring;construction 1工程概况...
桃园二号隧道施工技术研究.pdf
