摘要
矩形顶管下穿既有箱涵过程中具有很大风险和不确定性。分析了矩形顶管下穿既有箱涵的破坏模式,总结了箱涵结构安全的判别方法,并提出了一种新的顶管下穿既有箱涵过程中险情预警预报方法,为今后的城市地下空间开发利用提供参考。
There are the great risk and indeterminacy in the process of the rectangular pipe jacking crossing through the existing box culvert. This paper analyzes the failure mode of rectangular pipe jacking crossing through the existing box culvert, sums up the discrimination method of box culvert structural safety, and puts forward a new risk early-warning method of pipe jacking crossing through the existing box culvert, which can be referred for the development and utilization of urban underground space in the future.
出处
《城市道桥与防洪》
2019年第12期174-177,M0017,M0018,共6页
Urban Roads Bridges & Flood Control
基金
上海市科委课题(17DZ1204105)
上海城投集团科技创新计划(CTKY-PTZX-2018-004)
关键词
矩形顶管
箱涵
险情预警
rectangular pipe jacking
box culvert
risk early warning
