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玉溪海绵城市透水砖堵塞恢复方法研究 被引量:2

Research on Recovery Method of Permeable Bricks in Yuxi Sponge City
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摘要 针对云南玉溪海绵城市建设中透水铺装的情况,采用人工配制的SS溶液模拟降雨径流,探究不同的清洗方式对透水砖堵塞的恢复效果及对透水砖养护的影响,以延长透水砖的使用年限。12次堵塞/清洗实验结果表明,混合了柠檬酸钠的高压水清洗效果最佳,其次是普通高压水清洗、常压水清洗及使用毛刷清洗,透水系数分别维持在初始值的50%、36%、15%.0.78%,毛刷刷洗几乎无效果。在湿润状态下清洗透水砖比干后再清洗效果更明显,透水系数分别维持在初始值的52%和36%。通过对清洗周期的分析,表明短期内频繁的清洗对透水性能的恢复有良好效果,但在长期使用中区别不大。 In view of permeable pavement in Yuxi sponge city construction in Yunnan, the artificially prepared SS solution was used to simulate rainfall runoff to explore the effects of different cleaning methods on clogging recovery and maintenance of permeable bricks, so as to extend their service life. After 12 times of clogging and cleaning experiments, the analysis showed that high pressure water cleaning with sodium citrate mixture had the best effect, followed by ordinary high-pressure water cleaning, normal pressure water cleaning and brush cleaning. Moreover, the water permeability coefficient was maintained at 50%, 36%, 15%, and 0. 78% of the initial value, respectively. In particular, brushing was almost useless. Cleaning the permeable bricks in wet state was more effective than drying, and the water permeability coefficient was maintained at 52% and 36%, respectively. Through the analysis of the cleaning cycle, it was shown that the frequent cleaning in the short-term had a good effect on the recovery of water permeability, but there was little difference in long-term use.
作者 文韬 李雅雯 刘嘉豪 高润年 覃靖茹 罗雨薇 罗凡 冯晓楠 WEN Tao;LI Ya-wen;LIU Jia-hao;GAO Run-nian;QIN Jing-ru;LUO Yu-wei;LUO Fan;FENG Xiao-nan(China Construction Second Engineering Bureau Ltd., Beijing 100160, China;School of Environmental Science & Engineering, Huazhong University of Science and Technology,Wuhan 430074, China)
出处 《中国给水排水》 CAS CSCD 北大核心 2019年第12期28-32,共5页 China Water & Wastewater
关键词 海绵城市 透水砖 恢复 高压冲洗 透水系数 堵塞实验 sponge city permeable brick maintenance high pressure flushing permeability coefficient plugging experiment
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