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为了研究中国大陆城镇供水管网抗震性能的区域差异特征,基于供水统计年鉴提取了各城镇供水管网基础数据,从管网规模、管道类别构成等方面分区域进行了差异性分析。采用与可获取数据相匹配的供水管网地震破坏评估模型,分析了18个城市供水管网的抗震性能,分区域统计分析了造成区域供水管网抗震性能差异的原因,同时,初步探讨了当地设防烈度对供水管网抗震性能的影响,最后,给出了提升供水管网抗震能力的建议。
In order to study the regional differences of seismic performance of urban water supply pipe network in mainland China, the basic data of urban water supply pipelines were extracted based on the water supply statistical yearbook, and the differences were analyzed from the aspects of pipe network size and pipe type composition. Based on the seismic damage assessment model of water supply network which is matched with the available data, the seismic performance of 18 urban water distribution networks is analyzed. The reason of the difference in seismic performance of regional water supply network is statistically analyzed by sub-region. Meanwhile, The influence of fortification intensity on the seismic performance of water supply network, and finally, the suggestion of improving the seismic capacity of water supply network is given.