[1]任勇翔,刘强,王希,等.西安城区海绵城市建设设计降雨量与不透水地面分布研究[J].西安建筑科技大学学报(自然科学版),2018,50(01):100-104.[doi:10.15986/j.1006-7930.2018.01.016]
　REN Yongxiang,LIU Qiang,WANG Xi,et al.Study on dependable rainfall and impermeable ground distribution of sponge city construction in main urban area of Xian[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2018,50(01):100-104.[doi:10.15986/j.1006-7930.2018.01.016]
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西安城区海绵城市建设设计降雨量与不透水地面分布研究()
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西安建筑科技大学学报（自然科学版）[ISSN:1006-7930/CN:61-1295/TU]

卷:
50
期数:
2018年01期
页码:
100-104
栏目:
出版日期:
2018-03-15

文章信息/Info

Title:
Study on dependable rainfall and impermeable ground distribution of sponge city construction in main urban area of Xian
文章编号:
1006-7930(2018)01-0100-05
作者:
任勇翔1; 2; 刘强1; 2; 王希3; 赵耀龙4; 王建斌5; 熊家晴1; 2
(1. 西安建筑科技大学 陕西省环境工程重点实验室,陕西 西安 710055 ; 2. 西安建筑科技大学 环境与市政工程学院,陕西 西安 710055 ; 3. 西安市城乡建设干部学校,陕西 西安 710054 ;4. 华南师范大学 地理科学学院,广州 510631 ; 5. 西安建筑科技大学 管理学院,陕西 西安 710055 )
Author(s):
REN Yongxiang1; 2;  LIU Qiang1; 2;  WANG Xi3;  ZHAO Yaolong4;  WANG Jianbin5;  XIONG Jiaqing1; 2
(1. Key Laboratory of Environmental Engineering of Shaanxi Province, Xian Univ. of Arch. & Tech., Xian 710055, China; 2. School of Environment & Municipal Engineering, Xian Univ. of Arch. & Tech., Xian 710055, China; 3. Xian Urban and Rural Construction Cadre School, Xian 710054, China; 4. School of Geography, South China Normal University, Guangzhou 510631, China; 5. School of Management, Xian Univ. of Arch. & Tech., Xian 710055, China)
关键词:
海绵城市; 年径流总量控制率（α）; 设计降雨量; 渗透性
Keywords:
sponge city;  total annual runoff control rate ();  dependable rainfall;  permeability
分类号:
TU984.11
DOI:
10.15986/j.1006-7930.2018.01.016
文献标志码:
A
摘要:
为给西安市海绵城市建设提供科学依据和参考，确定了西安市海绵城市建设设计降雨量并对主城区下垫面进行分析.结果表明：西安市年径流总量控制率为50%、80%和85%时，对应的设计降雨量分别为6.76 mm、17.43 mm和21.22 mm.设计降雨量为21.22 mm时，海绵城市建设可实现对全年87.14%的降雨场次地表径流有效控制的目标.主城区中，莲湖区、碑林区和新城区的不透水地表面积为90%左右，城市内涝的风险和促渗难度较大.结合西安市湿陷性黄土的地质条件，建议建立连续渗透体系；对既有街区，海绵城市建设应优先从公园绿地海绵化入手
Abstract:
To provide a scientific basis and reference for the construction of Xi′an sponge city, the dependable rainfalls were determined and the underlying surface in Xi′an was analyzed. The results showed that when the total annual runoff control rates were 50%, 80% and 85%, the corresponding dependable rainfall were 6.76 mm, 17.43 mm and 21.22 mm respectively. When the dependable rainfall was 21.22 mm, underlying surface runoff resulted from 87.14% of rainfall events during the whole year could be effectively controlled by the sponge city construction in Xi′an. Within the main areas of Xi′an, the risk of inland inundation and construction difficulty has increased gradually in the district of Lianhu, Beilin, and Xincheng due to their impermeable ground proportion which has reached around 90%. It was recommended that the continuous infiltration system be created on the basis of the geological condition of collapsible loess in Xi′an; and sponge city construction in Xi′an should start from the reconstruction of park green land to sponge for existing-blocks.

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备注/Memo

备注/Memo:
收稿日期:2017-01-15修改稿日期:2018-01-15

基金项目:西安城乡建设委员会建设科技项目（SZ1501-GP/XC-317F）

第一作者:任勇翔(1968－)，男，教授，博士生导师，主要从事污水生物处理理论与资源化利用．E-mail: ryx@xauat.edu.cn
更新日期/Last Update: 2018-03-15