摘要
以史家山2号隧道为工程背景,分析爆破施工对近距既有病害隧道的影响。采用现场检测与监测手段,施工前对既有病害隧道进行现场检测来评估其安全状况,施工过程中监测既有隧道的爆破振速,确定施工过程中既有隧道的安全状态。针对监测结果,提出爆破安全控制技术和措施,减小新建隧道对于近距既有隧道的影响。
Based on the Shijiashan No. 2 tunnel, this paper analyzed the effects of blasting construction of newly built tunnel on the existing disease tunnel. By using the field detection and monitoring methods, the field detection of existing disease tunnel was conducted before construction to evaluate the safety condition and the field monitoring of existing tunnel was conducted during tunnel construction to ensure the safety. According to the monitoring results, this paper put forward the teehnieal and measures of safety control to reduee the influence of newly built tunnel on the existing tunnel.
出处
《交通科技》
2013年第3期102-105,共4页
Transportation Science & Technology
基金
国家"973"重点基础研究发展计划项目(2010CB732100)
铁道部科技研究开发计划重大项目(2009G005)资助
关键词
爆破控制
近距响应
病害
振速监测
blasting control
close distance response
disease tunnel
vibration velocity monitoring
