【摘要】 目前地下管道的震害预测评价方法大多需要管线本身的较为精细的力学参数,而在实际的城市管网震害评估工作中此类参数并不容易获取。为了简化地下管道震害评价方法,本文基于层次分析法和数理统计耦合算法,提出了一种简化的地下管道震害评估方法-管道破坏度指数法,将该方法应用于某城市的地下管道震害评估工作并对该市7度、8度、9度地震时的地下管道震害评估进行了分析,与应用传统方法对比显示计算结果基本一致,验证了本文方法的确实可行和有效性。由于本文方法只选取影响地下管道破坏的典型因素,不仅大大简化了数据收集的工作,增加了工作效率,同时也保证了实际操作的可行性。更多还原

【Abstract】 At present most of the assessment methods to predict the buried pipeline earthquake damage need fine mechanical parameters of the pipeline itself,while such parameters are not easily available in the actual assessment of urban pipe network earthquake damage.To simplify buried pipeline seismic damage assessment methods,on the basis of the analytic hierarchy process and mathematical statistics,a simplified underground pipeline damage assessment-the pipeline damage index method is established.The method is applied in a city buried pipelines earthquake damage assessment.The simulation of the underground pipeline earthquake damage assessment is proceed when the city has the 7-degree,8-degree and 9-degree earthquakes.In addition,a traditional method is used to calculate the same set of data.Compared with this method,the results are basically the same,and the proposed method is feasible.To select the typical factors affecting underground pipeline damages,it has not only greatly simplified the work of data collection and increased work efficiency,but also guaranteed the feasibility of actual operation.更多还原