本文選題：洪水出路 + 方案比選　； 參考：《人民長江》2017年08期

【摘要】：杭州市城西地區(qū)地勢低洼,上承山水,下受杭嘉湖平原河流水位頂托,為易受洪澇災(zāi)害地區(qū)。以抵擋2007年"羅莎"臺風(fēng)洪水為目標(biāo),根據(jù)城西地區(qū)水系分布、城市布局,初步提出了洪水外排、濕地調(diào)蓄、建圩擋水的排澇布局及10種洪水出路方案。對10個(gè)方案從水位、水量、工程投資、對周邊地區(qū)影響、政策處理等方面進(jìn)行比較,最終提出以建設(shè)西溪濕地至錢塘江的地下排水通道、西溪濕地內(nèi)部調(diào)蓄、分區(qū)建圩的組合方案為推薦方案。經(jīng)分析認(rèn)為,推薦方案可有效減輕杭州市城西地區(qū)的洪澇問題。
[Abstract]:The area in the west of Hangzhou is low-lying, the upper reaches of mountains and rivers, and the bottom of the river top support of Hangzhou and Jiahu Plain, which is vulnerable to flood and waterlogging. In order to resist the 2007 "Rosa" typhoon flood, according to the distribution of water system and urban layout in the western part of the city, the drainage layout and 10 flood outlet schemes of flood drainage, wetland regulation and storage, and water retaining in Jianwei are put forward preliminarily. Ten schemes are compared in terms of water level, water quantity, project investment, impact on surrounding areas, policy treatment, etc. Finally, it is proposed to build underground drainage channels from Xixi Wetland to Qiantang River, and to regulate and store the inside of Xixi Wetland. The combination scheme of district construction fair is the recommended scheme. It is concluded that the recommended scheme can effectively alleviate the flood problem in the west part of Hangzhou.
【作者單位】： 浙江省水利水電勘測設(shè)計(jì)院;
【分類號】：TV122
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本文編號：1802598