改良型透水铺装对弱透水土质地区的水质控制试验
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摘要
为改善透水铺装在弱透水土质地区的应用,通过增加渗透导管的方式改良了常规透水铺装的土基层。通过人工降雨试验对改良型透水铺装及其不同结构层对弱透水土质地区典型雨水径流中COD、TN、TP和Cu~(2+)等污染物的去除效果进行了分析,并与相同条件下的常规透水铺装进行了对比。结果表明,改良型透水铺装对4种污染物的去除效果有明显增强,在60 min降雨历时条件下,降雨重现期为2 a时改良型透水铺装对4种污染物的去除能力分别提升了11.87%、27.61%、9.17%和29.02%,且降雨重现期越短越有利于透水铺装对COD、TN、TP和Cu~(2+)的去除。
In order to improve the application effects of permeable pavement in weakly permeable soil areas, the conventional permeable pavement soil base layer has been improved by increasing the permeation tube. The removal efficiency of COD, TN, TP, Cu~(2+) and other pollutants from typical rainwater runoff in weak permeable soil area by improved permeable pavement and its different structural layers were analyzed through artificial rainfall test, and it is compared with conventional pervious paving device under the same conditions. The results show that the removal effect of improved permeable pavement on four pollutants is obviously enhanced. Under the condition of 60 min rainfall duration, the removal capacity of improved permeable pavement for four pollutants increased by 11.87%, 27.61%, 9.17% and 29.02%, respectively, when rainfall recurrence period was 2 years. The shorter the recurrence period of rainfall, the better removal effects of COD, TN, TP and Cu~(2+) by permeable pavement.
In order to improve the application effects of permeable pavement in weakly permeable soil areas, the conventional permeable pavement soil base layer has been improved by increasing the permeation tube. The removal efficiency of COD, TN, TP, Cu~(2+) and other pollutants from typical rainwater runoff in weak permeable soil area by improved permeable pavement and its different structural layers were analyzed through artificial rainfall test, and it is compared with conventional pervious paving device under the same conditions. The results show that the removal effect of improved permeable pavement on four pollutants is obviously enhanced. Under the condition of 60 min rainfall duration, the removal capacity of improved permeable pavement for four pollutants increased by 11.87%, 27.61%, 9.17% and 29.02%, respectively, when rainfall recurrence period was 2 years. The shorter the recurrence period of rainfall, the better removal effects of COD, TN, TP and Cu~(2+) by permeable pavement.
引文
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[17] 张玉玉.高效渗透减排透水铺装对径流的控制研究[D].北京:北京建筑大学,2015.
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[3] 沈金星,王沛芳.高速公路雨水径流污染质量浓度的系统动力学模拟[J].水资源保护,2018,34(4):1-7.(SHEN Jinxing,WANG Peifang.System dynamics simulation of pollution concentration of rainwater runoff in expressway[J].Water Resources Protection,2018,34(4):1-7.(in Chinese))
[4] LEE M J,LEE M G,HUANG Yishuo,et al.Purification study of pervious concrete pavement [J].IACSIT International Journal of Engineering and Technology,2013,5(5):532-535.
[5] 李俊奇,李小静,王文亮,等.美国雨水径流控制技术导则讨论及其借鉴[J].水资源保护,2017,33(2):6-12.(LI Junqi,LI Xiaojing,WANG Wenliang,et al.Discussion on the technical guidelines for rainwater runoff control in the United States and its reference [J].Water Resources Protection,2017,33(2):6-12.(in Chinese))
[6] 吴海春,胡爱兵,任心欣.基于SWMM模型的LID措施年SS总量去除率计算[J].水资源保护,2018,34(5):9-12.(WU Haichun,HU Aibing,REN Xinxin.Calculation of total removal rate of SS by LID measures based on SWMM[J].Water Resources Protection,2018,34(5):9-12.(in Chinese))
[7] 张杰,王洪禧,刘俊良.雨水污染物相关性研究[J].河北建筑工程学院学报,2006,24(1):23-25.(ZHANG Jie,WANG Hongwei,LIU Junliang.Research on correlation of rainwater pollutants[J].Journal of Hebei Institute of Architectural Engineering,2006,24(1):23-25.(in Chinese))
[8] 宋亚霖,杜新强,刘文娜,等.海绵城市透水砖堵塞规律试验[J].水资源保护,2018,34(6):56-59.(SONG Yalin,DU Xinqiang,LIU Wenna,et al.Experimental research on clogging laws of permeable brick in sponge city[J].Water Resources Protection,2018,34(6):56-59.(in Chinese))
[9] 夏军,石卫,王强,等.海绵城市建设中若干水文学问题的研讨[J].水资源保护,2017,33(1):1-8.(XIA Jun,SHI Wei,WANG Qiang,et al.Discussion of several hydrological issues regarding sponge city construction[J].Water Resources Protection,2017,33(1):1-8.(in Chinese))
[10] 蔡庆拟,陈志和,陈星,等.低影响开发措施的城市雨洪控制效果模拟[J].水资源保护,2017,33(2):31-36.(CAI Qingni,CHEN Zhihe,CHEN Xing,et al.Simulation of control efficiency of low impact development measures for urban stormwater[J].Water Resources Protection,2017,33(2):31-36.(in Chinese))
[11] FLETCHER T,DUNCAN H,POELSMA P.Stormwater flow and quality and the effectiveness of non-proprietary stormwater treatment measures:a review and gap analysis[R].Canberra:CRC for Catchment Hydrology,2004.
[12] WILSON S,NEWMAN A P,PUEHMEIER T,et al.Performance of an oil interceptor incorporated into a pervious pavement[J].ICE Proceedings:Engineering Sustainability,2003,156(1):51-58.
[13] DIERKES C,KUHLMANN L,KANDASAMY J.Pollution retention capability and maintenance of permeable pavements[C]//Ninth Internation Conference on Urban Drainage(9ICUD).Portland:American Society of Civil Engineers,2002:1-13.
[14] 赵现勇,程方,张杏娟,等.不同结构透水路面对雨水径流污染物的削减作用[J].天津城市建设学院学报,2012,16(4) :280-285.(ZHAO Xianyong,CHENG Fang,ZHANG Xingjuan,et al.The effect of different structure permeable pavement on the reduction of rainwater runoff pollutants[J].Journal of Tianjin Urban Construction College,2012,16(4):280-285.(in Chinese))
[15] 陈莎,陈晓宏.城市雨水径流污染及LID控制效果模拟[J].水资源保护,2018,34(5):13-19.(CHEN Sha,CHEN Xiaohong.Simulation of urban rainfall runoff pollution and control effect by low impact development[J].Water Resources Protection,2018,34(5):13-19.(in Chinese))
[16] 杨秋侠,晁昕逸.基于复杂网络方法的既有雨水管段脆弱性判定[J].水资源保护,2018,34(5):27-33.(YANG Qiuxia,CHAO Xinyi.Vulnerability assessment of existing storm sewer sections based on complex network method[J].Water Resources Protection,2018,34(5):27-33.(in Chinese))
[17] 张玉玉.高效渗透减排透水铺装对径流的控制研究[D].北京:北京建筑大学,2015.