甲岩水电站厂房蜗壳灌浆管路设计伏瑞(中国水电顾问集团昆明勘测设计研究院,云南昆明,650051)关键词:蜗壳;回填灌浆;管路布置摘要:蜗壳混凝土全部为二期浇筑,混凝土的硬化干缩会致使混凝土与蜗壳钢板之间产生缝隙,同时蜗壳底部及阴角部位施工人员无法进入进行振捣,混凝土脱空难以避免,从而影响了结构的稳定性
施工时,需要在机组蜗壳底部及阴角部位的混凝土内预埋灌浆系统
DesignofVoluteGroutingpipeplantofJiayanHydropowerStationFuRui(KunmingHydroelectricInvestigation,DesigndndResearchInstitute,CHECC,Kunming,Yunnan,650051)Keywords:volute;backfillgrouting;pipelinelayoutAbstract:Allconcreteofthespiralcaseforsecondphaseofcasting,thehardeningshrinkageofconcretewillcausegapbetweentheconcreteandthevoluteplate,whilethebottomandinternalcornerpositionofconstructionpersonnelcannotenterthevibrate,concreteslabisdifficulttoavoid,thusaffectingthestabilityofthestructure
Whenconstruction,needtosetthebottomandinternalcornerpositionofconcretepre-embeddedgroutingsystem
1概述甲岩水电站位于云南省禄劝县境内的普渡河下游河段上,为普