不同降雨特征下透水沥青的径流系数变化

doi:10.3880/j.issn.1004-6933.2025.02.004

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不同降雨特征下透水沥青的径流系数变化

DOI:

10.3880/j.issn.1004-6933.2025.02.004

作者:

杜晓丽 ^{^1,2}
杜晓丽
北京建筑大学城市雨水系统与水环境教育部重点实验室,北京 100044;北京建筑大学北京节能减排与城乡可持续发展省部共建协同创新中心,北京 100044
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郭闯 ^¹
郭闯
北京建筑大学城市雨水系统与水环境教育部重点实验室,北京 100044
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杨明哲 ^¹
杨明哲
北京建筑大学城市雨水系统与水环境教育部重点实验室,北京 100044
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崔瀚武 ^¹
崔瀚武
北京建筑大学城市雨水系统与水环境教育部重点实验室,北京 100044
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作者单位:

(1.北京建筑大学城市雨水系统与水环境教育部重点实验室,北京 100044;2.北京建筑大学北京节能减排与城乡可持续发展省部共建协同创新中心,北京 100044 )

作者简介:

杜晓丽(1980—),女,教授,博士,主要从事城市雨洪控制利用研究。E-mail:duxiaoli@ bucea.edu.cn

通讯作者:

中图分类号:

基金项目:

北京市属高等学校高水平科研创新团队建设支持计划项目(BPHR20220108)

Variation of runoff coefficient of permeable asphalt under different rainfall characteristics//

Author:

DU Xiaoli ^{^1,2}
DU Xiaoli
Key Laboratory of Urban Stormwater System and Water Environment, Ministry of Education, Beijing University of Civil Engineering and Architecture, Beijing 100044, China;Beijing Energy Conservation & Sustainable Urban and Rural Development Provincial and Ministry Co-construction Collaboration Innovation Center, Beijing University of Civil Engineering and Architecture, Beijing 100044, China
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GUO Chuang ^¹
GUO Chuang
Key Laboratory of Urban Stormwater System and Water Environment, Ministry of Education, Beijing University of Civil Engineering and Architecture, Beijing 100044, China
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YANG Mingzhe ^¹
YANG Mingzhe
Key Laboratory of Urban Stormwater System and Water Environment, Ministry of Education, Beijing University of Civil Engineering and Architecture, Beijing 100044, China
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CUI Hanwu ^¹
CUI Hanwu
Key Laboratory of Urban Stormwater System and Water Environment, Ministry of Education, Beijing University of Civil Engineering and Architecture, Beijing 100044, China
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Affiliation:

( 1.Key Laboratory of Urban Stormwater System and Water Environment, Ministry of Education, Beijing University of Civil Engineering and Architecture, Beijing 100044, China;2.Beijing Energy Conservation & Sustainable Urban and Rural Development Provincial and Ministry Co-construction Collaboration Innovation Center, Beijing University of Civil Engineering and Architecture, Beijing 100044, China)

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摘要:

针对不同降雨特征下透水沥青径流系数取值不清晰的问题,通过模拟降雨分析了不同降雨特征下透水沥青的径流系数变化,并得到了典型降雨条件时透水沥青径流系数建议取值范围。结果表明:降雨重现期小于20a、降雨历时小于120min时,透水沥青雨量径流系数的随降雨重现期和降雨历时的增大而增大、随雨峰系数增大而减小；流量径流系数随雨峰系数增大而增大,随降雨重现期和降雨历时的增加呈先增大后减小的趋势；降雨重现期和降雨历时是影响透水沥青雨量径流系数变化的主要因素,雨峰强度是影响流量径流系数变化的主要因素。经拟合预测,降雨重现期为3~10a、降雨历时小于120min时,透水沥青雨量径流系数和流量径流系数建议取值范围分别为0.21~0.35和0.22~0.34。

关键词:降雨特征;透水沥青;径流系数中图分类号:TV121 ⁺. 2 文献标志码:A 文章编号:1004-6933

Abstract:

In view of the unclear value of runoff coefficient of permeable asphalt under different rainfall characteristics, the variation of runoff coefficient of permeable asphalt under different rainfall characteristics was analyzed by simulating rainfall, and the recommended range of runoff coefficient of permeable asphalt under typical rainfall conditions was obtained. The results show that when the rainfall recurrence period is less than 20 a and the rainfall duration is less than 120 min, the volumetric runoff coefficient of permeable asphalt increases with the increase of rainfall recurrence period and rainfall duration, and decreased with the increase of rainfall peak coefficient. The flow runoff coefficient of permeable asphalt increases with the increase of rainfall peak coefficient, and increases first and then decreases with the increase of rainfall recurrence period and rainfall duration. Rainfall recurrence period and rainfall duration are the main factors affecting the variation of volumetric runoff coefficient of permeable asphalt, while rainfall peak intensity is the main factor affecting the variation of flow runoff coefficient of permeable asphalt. When the rainfall recurrence period is from 3 to 10 a and the rainfall duration is less than 120 min, the recommended value ranges of the volumetric runoff coefficient and flow runoff coefficient of permeable asphalt are 0.21 to 0.35 and 0.22 to 0.34, respectively. Keywords: rainfall characteristics; permeable asphalt; runoff coefficient 〖FL

Key words:rainfall characteristics; permeable asphalt; runoff coefficient 〖FL

引用本文

杜晓丽,郭闯,杨明哲,等.不同降雨特征下透水沥青的径流系数变化[J].水资源保护,2025,41(2):30-37.(DU Xiaoli, GUO Chuang, YANG Mingzhe, et al. Variation of runoff coefficient of permeable asphalt under different rainfall characteristics//[J]. Water Resources Protection,2025,41(2):30-37.(in Chinese))

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收稿日期:2024-07-14
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在线发布日期: 2025-04-14
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