测微器水准仪在隧道拱顶下沉量测中的应用  

Application of a Leveling Instrument with a Micrometer to Measuring Crown Settlement of Tunnels

作　　者：雷坚强 

机构地区：[1]贵州省交通科学研究院有限责任公司,贵阳550008

出　　处：《现代隧道技术》2012年第1期171-174,共4页Modern Tunnelling Technology

摘　　要：文章介绍了水准仪测微器的基本工作原理、读数方法及在隧道拱顶下沉量测中的应用,指出需掌握其正确的读数方法,以免进入测微器水准仪读数的误区,使其获得结构的真正变形数据,达到隧道施工监控的目的。This paper introduces the basic working principles and method of numerical reading for a leveling instrument with a micrometer,as well as its application in the measurement of tunnel crown settlement.It also presents the correct method of number reading in order to obtain accurate structural deformation data and achieves the goal of construction monitoring.

关 键 词：测微器 水准仪 隧道 拱顶下沉 

分 类 号：U456.31[建筑科学—桥梁与隧道工程]