高强岩面明挖车站数码微差控制爆破技术  

Digital Millisecond Controlled Blasting Technology of Open Excavated Station in High-strength Rock

作　　者：唐毅 杨树明 马颖博 石红兵 冯志强 Tang Yi;Yang Shu-ming;Ma Ying-bo;Shi Hong-bing;Feng Zhi-qiang

机构地区：[1]中国建筑第二工程局有限公司,北京101100 [2]中国建设基础设施有限公司,北京100037 [3]中建南方投资有限公司,广东汕尾516400

出　　处：《建筑技术开发》2021年第22期139-140,共2页Building Technology Development

摘　　要：深圳市城市轨道交通13号线工程石鼓站岩石强度高、岩层面高,毗邻高层建筑,管线密集。项目基于台阶爆破原理,采取预裂爆破、光面爆破、数码微差雷管、静态爆破、振速监测的综合控制爆破技术,实现了真实意义的毫秒延时起爆,有效控制振速,确保了周边建筑物的安全。The Shigu Station of Shenzhen Urban Rail Transit Line 13 has the characteristics of high rock strength,high rock layers,adjacent to high-rise buildings,and dense pipelines.Based on principle of step blasting,comprehensive controlled blasting technology including pre-split blasting,smooth blasting,digital micro-detonation detonator,static blasting,and vibration velocity monitoring is adopted.True millisecond delay initiation has been realized,vibration velocity is effectively controlled,and safety of surrounding buildings is guaranteed.

关 键 词：数码微差 控制爆破 高强岩面 轨道交通 

分 类 号：U231.3[交通运输工程—道路与铁道工程]