【摘要】 基于埋地管道的地震破坏机理,定量评价了单根管线在地震作用下的性能,采用蒙特卡罗法分析了网络的连通性,评价了管网系统的震害连通可靠性,以武汉市主干供水系统的抗震可靠性为例,验证了该方法可行、准确、高效,为进一步研究城市地下管线的抗震设计、优化、改造提供参考。更多还原

【Abstract】 According to the seismic damage mechanism of the buried pipeline,the seismic performance of single pipeline is evaluated quantitatively.The network connectivity is analyzed with Monte-Carlo method and the seismic performance of the whole network system is evaluated quantitatively.Finally,the anti-seismic reliability of the main water supply system in Wuhan City is analyzed.The results indicate that the proposed method is feasible,accurate and effective,which provides references for further research of design,optimization and reformation of the urban buried pipeline.更多还原