岩土工程学报2025，Vol.47Issue(z1)：250-255,6.DOI:10.11779/CJGE2025S10048
滨海岩体隧道爆破开挖对相邻隧道影响的现场测试与数值模拟
Dynamic response and safety control of adjacent tunnels under blasting excavation of drainage tunnels
摘要
Abstract
In the process of parallel blasting excavation of two tunnels,the construction of new tunnels will cause different degrees of vibration damage to the linings of the adjacent tunnels due to the small tunnel spacing.In this study,the blasting excavation of a coastal saturated tuff body is taken as the research object,and the vibration effects of blasting excavation of a tunnel under construction on the adjacent existing tunnels are explored.The real-time monitoring of the vibration response of the adjacent tunnels is carried out during the tunnel blasting excavation process,and the numerical simulation of the blasting vibration response is carried out.The results show that in the saturated tuff medium,the dynamic response of the adjacent tunnel to the surrounding hole is the largest at the arch of the blasting side,and the vibration frequency is concentrated in 0～50 Hz.The single-hole charge length and tunnel spacing of peripheral holes should be controlled below 1∶20.关键词
相邻隧道/爆破开挖/饱和凝灰岩/振动响应Key words
adjacent tunnel/blasting excavation/saturated tuff/vibration response分类
建筑与水利引用本文复制引用
王旭宾,杨振业,黄宁,钱建固..滨海岩体隧道爆破开挖对相邻隧道影响的现场测试与数值模拟[J].岩土工程学报,2025,47(z1):250-255,6.基金项目
中央高校基本科研业务费专项资金项目(20232ZD08) （20232ZD08）
