摘要
以贵阳花溪至安顺高速公路跳花坡双线隧道为工程背景,运用MidasGTS有限元分析软件,建立了隧道爆破振动对地表影响模型。得到了地表振速和振动加速度的分布云图,并分析归纳了最大振速和振动加速度的变化规律。隧道爆破振动对地表影响的研究,可以用于高速公路隧道爆破的设计和施工作业。
Taking the Tiaohuapo double-line tunnel of Huaxi to Anshun expressway in Guiyang Province as the engineering background, using the Midas GTS finite element analysis software, the influence model of blasting vibration of the tunnel is built. The distribution cloud atlas of ground vibration velocity and vibration acceleration is obtained and the change laws of the maximum vibration velocity and the vibration acceleration are also summarized. The study on the influence of the tunnel blasting vibration on the ground surface not only can be used to guide the design and construction of the highway tunnel, but also can be applied to the blasting design and construction work of the tunnel in the western mountainous area.
作者
胡世敬
HU Shijing(Guizhou Jiaotong College, Guiyang 550008 , China)
出处
《路基工程》
2019年第3期111-114,共4页
Subgrade Engineering
基金
国家重点研发计划项目(2017YFB1201204)
关键词
山区公路
隧道爆破
数值模拟
地表振速
振动加速度
mountain highway
tunnel blasting
numerical simulation
ground vibration velocity
vibration acceleration
