| 城市暴雨灾害的影响程度及对策研究——以长沙市为例 |
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| 引用本文： | 朱政,郑伯红,贺清云. 城市暴雨灾害的影响程度及对策研究——以长沙市为例[J]. 自然灾害学报, 2011, 0(3) |
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| 作者姓名： | 朱政 郑伯红 贺清云 |
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| 作者单位： | 中南大学土木建筑学院;湖南师范大学资源与环境科学学院; |
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| 摘 要： | 通过对近年暴雨资料、城市建成区平均高程数据和城市排水管网资料的考察,以及对城市暴雨灾害危险性、脆弱性、暴露性的分析,制定了适用于长沙市的暴雨灾害风险评估方法。利用该方法对长沙市现有建成区798个地块的暴雨灾害风险进行了评估,将其分为高风险区、中风险区、低风险区3个类别。在此基础上,总结了长沙市暴雨灾害风险区的分布规律,并提出了一系列对策措施,包括更新城市排水管网、建设地下集水库、建立雨水自排系统和建设紧急排涝系统等。
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| 关 键 词： | 城市暴雨灾害 排水管网系统 长沙市 |
Study on effect degree and countermeasures against urban rainstorm disasters:a case of Changsha City |
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| ZHU Zheng,ZHENG Bo-hong,HE Qing-yun. Study on effect degree and countermeasures against urban rainstorm disasters:a case of Changsha City[J]. Journal of Natural Disasters, 2011, 0(3) |
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| Authors: | ZHU Zheng ZHENG Bo-hong HE Qing-yun |
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| Affiliation: | ZHU Zheng1,ZHENG Bo-hong1,HE Qing-yun2(1.Civil Engineering and Architecture College,Centre South University,Changsha 410081,China,2.Resource and Environment College,Hunan Normal University,China) |
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| Abstract: | This paper draws up a method for risk evaluation of the urban rainstorm disaster which is suited for Changsha City through research on the data of rainstorm in recent years,the average heights of the construction-completed areas,the information of urban drainpipes system,and on the analysis of the hazard,vulnerability and exposure of the urban rainstorm disaster.The paper evaluates risks of rainstorm disaster of 798 land mass of the construction-completed areas in Changsha by this method,and divides them in... |
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| Keywords: | urban rainstorm disaster drainaged pipework system Changsha City. |
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