摘要
结合川藏公路二郎山隧道和湖南邵怀高速公路雪峰山隧道等深埋越岭长隧道工程,开发研制一种适合施工期同步监测围岩松动变形的套管式钻孔多点引伸计,并介绍其安装、测试技术。实际工程应用表明其具有就地取材,制作、安装和测量方便,抗施工干扰能力强,测量结果准确可靠等突出优点,一个监测钻孔可以获得多个深度的围岩相对松动位移量、速率,及其随深度的变化规律和随时间的变化规律等重要信息。该技术可以在今后的隧道工程及其他地下工程建设中推广使用。
According to the deep-buried long tunnels through mountains,such as the Erlangshan tunnel and the Xuefengshan tunnel,the thimble multicast instrument in drill hole and its installing and testing techniques,which are suitable for monitoring the loose deformation of surrounding rock in time during the construction,have been developed and invented.Practical engineering application shows that it has many merits,such as obtaining materials locally,manufacturing easily,being installed and testing quickly,powerful anti-interference capability and accurate testing result.The instruction will be used in tunnelling engineering and other underground engineering extensively.
出处
《岩石力学与工程学报》
EI
CAS
CSCD
北大核心
2009年第A02期3894-3898,共5页
Chinese Journal of Rock Mechanics and Engineering
基金
交通部西部交通建设科技项目(200331879802)
关键词
隧道工程
围岩变形
位移监测
多点引伸计
tunnelling engineering
surrounding rock deformation
displacement monitoring
thimble multicast instrument
