第29卷第11期2023年11月水利科技与经济WaterConservancyScienceandTechnologyandEconomyVol.29No.11November,2023[收稿日期]2023-05-06[作者简介]冯耀鹏(1988-),男,河南平顶山人,工程师,从事水利工程工作.doi:10.3969/j.issn.1006-7175.2023.11.019景观河复合防渗及生态优化研究冯耀鹏(深圳市光明区环境水务有限公司,广东深圳518107)[摘要]景观河可改善城市水体,达到生态修复的目的。但由于地质及地下水位的影响,其内部的河水会发生渗漏现象。为了分析不同防渗方式的实施效果,采用潜水位下降率和渗漏量,对景观河的渗漏情况进行表征。结果表明,复合土工膜的渗透系数远小于采用防水毯和黏土压实防渗方式的渗透系数,表明采用复合土工膜可有效减小景观河的渗透性能,达到一定的抗渗效果。采用复合土工膜+防水毯的复合防渗措施,在经济、防渗效果及生态效益方面均存在一定的优势,可选择该方案作为景观河的防渗措施。同时,水位高度对其渗漏情况也存在一定的影响,在实际工程中,可采用调整景观河常水位的方式来减少其渗漏量。[关键词]景观河;复合防渗;生态修复[中图分类号]TV49[文献标识码]A[文章编号]1006-7175(2023)11-0087-04StudyonCompoundAnti-SeepageandEcologicalOptimizationofLandscapeRiverFENGYao-peng(ShenzhenGuangmingDistrictEnvironmentalWaterServicesCo.Ltd.,Shenzhen518107,Guang-dong,China)Abstract:Thelandscaperivercanimprovethewaterbodyofthecityriverandachievetheaimofecologicalrestoration,butbecauseoftheinfluenceofthegeologyandthegroundwaterlevel,thewaterintheriverwillleak,theseepageofthescenicriverwascharacterizedbytherateofdeclineofphreaticwaterlevelandtheamountofseepage.Theresultsshowthatthepermeabilitycoefficientofthecompositegeomembraneisfarlessthanthatofthewaterproofblanketandtheclaycompaction,theapplicationofcompositegeomembranecaneffectivelyreducethepermeabilityofscenicriverandachieveacertainanti-permeabilityeffect.Thecompositeanti-seepagemeasureofcompositegeomembrane+waterproofblankethassomeadvantagesineconomy,anti-seepageeffectandecologicalbenefit.Thewaterleveloftheriverhasacertaininfluenceonitsleakage.Intheactualproject,themethodofadjustingtheconstantwaterlevelofthescenicrivercanbeusedtoreduceitsleakage.Keywords:landscaperiver;compoundanti-...
