摘要
新建公路隧道在施工过程中发现与铁路隧道的泄水洞存在平面交叉现象,公路隧道施工掌子面很快到交叉段处,将对公路隧道的施工安全和进度产生影响,及时确定交叉段处的施工技术方案尤为重要。文章以兰州至海口国家高速公路渭源至武都段化马隧道与兰渝铁路化马隧道泄水洞平面交叉为基础,对多种技术方案进行比对分析,确定交叉段的施工技术方案;通过对交叉段的监控量测分析,得出结论:施工技术分析可靠、方案可行,能够为类似的工程提供借鉴。
During the construction process,the newly-built highway tunnel has found that there is a plane crossing phenomenon with the railway tunned drainage tunnel,the construction safety and the progress of the highway tunnel will be affected by the rapid arrival of the road tunnel construction palm surface to the crossing section.It is especially important to determine the construction technical scheme at the crossing section in time.Based on the plane crossing of the Lanzhou-Haikou State Highway from the source to the Wudu section of the tunnel and the diversion tunnel of the Lanzhou-Chongqing Railway,the technical scheme of the cross section is determined by comparing the various technical schemes,and the result shows that the cross section is monitored and measured.The construction technology is reliable,the scheme is feasible and can be the class similar projects provide reference.
作者
柏庆宝
BAI Qingbao(Zhongjiao Road and Bridge Construction Co.,Ltd,Beijing 101100,China)
关键词
公路隧道
铁路隧道泄水洞
平面交叉
技术方案
highway tunnel
railway tunnel drainage tunnel
plane intersection
technical scheme