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巢湖迎风面直立堤岸生态修复技术研究
Authors
周易勇
周驰
宋春雷
李阳
Publication date
1 January 2012
Publisher
Abstract
针对巢湖直立堤岸生态系统受损的现状,研发了适合于巢湖迎风面的直立堤岸基底改善与生态修复技术。考虑到直立堤岸迎风面风浪较大且淘蚀严重的特点,首先对传统的生态混凝土配方进行改良,从而较大程度地提高了生态混凝土的物化性能,使其具备高透水性、高稳固性、植生性等诸多优点。同时,以巢湖湖滨带现场调查与野外模拟实验结果为依据,确定巢湖湖滨带最适的基底类型为灰壤(植入深度10cm),并适当添加铁盐和铝盐;确定最适的植被类型为飞蓬草。在此基础上,确定生态混凝土最适配比为江砂∶碎石∶水泥=10∶3∶2,进而集成研发了生态混凝土-原位土壤-植被混合护坡技术。该技术应用到迎风面的直立堤岸后,植被覆盖率超过70%,土壤中有效磷削减67%以上
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Institute of Hydrobiology, Chinese Academy Of Sciences
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oai:ir.ihb.ac.cn:342005/19670
Last time updated on 15/03/2018