《河南水利与南水北调》2023年第2期施工技术高温季节常态混凝土拱坝浇筑温控管理张文平1,吴浩然2(1.贵州省铜仁市德江县重点水源工程建设管理中心,贵州铜仁565200;2.贵州省水利水电勘测设计研究院有限公司,贵州贵阳550002)摘要:受新冠肺炎疫情影响,共和水库大坝施工进度滞后,为了保证工程按时蓄水发挥效益,必须抢抓高温季节时间,尽快浇筑大坝混凝土。然而,混凝土浇筑工作在高温季节实施,必将面临的常态混凝土产热较高、环境温度高、水分损失快等难点,对混凝土生产、运输、浇筑以及养护全过程实行温控管理,有效控制了混凝土各项温度控制指标。关键词:常态混凝土温控;拱坝;高温季节施工管理中图分类号:TV6文献标识码:A文章编号:1673-8853(2023)02-0052-03TemperatureControlManagementofNormalConcreteArchDamPouringinHighTemperatureSeasonZHANGWenping1,WUHaoran2(1.ConstructionandManagementCenterofKeyWaterSourceProjectsinDejiangCounty,TongrenCity,Tongren565200,China;2.GuizhouWaterResourcesandHydropowerSurveyandDesignInstituteCo.,Ltd.,Guiyang550002,China)Abstract:AffectedbyCOVID-19,theconstructionofGongheReserviorDamhadlaggedbehindtheschedule.Inordertoensurethattheprojectcanstorewaterontimeandbringbenefitsintoplay,wemustseizethetimeofhightemperatureseasonandpourthedamconcreteassoonaspossibleHowever,whenconcretepouringiscarriedoutinhightemperatureseason,itwillinevitablyfacedifficultiessuchashighheatproductionofnormalconcrete,highambienttemperatureandrapidwaterlossThetemperaturecontrolmanagementisimplementedforthewholeprocessofconcreteproduction,transportation,pouringandcuring,andvarioustemperaturecontrolindexesofconcreteareeffectivelycontrolled.Keywords:temperaturecontrolinnormalconcreteproduction;arcdam;constructionmanagementinhightemperatureseason1工程概况共和水库工程大坝坝体为C20常态混凝土抛物线双曲拱坝,坝顶高程474.50m,建基面高程413.00m,最大坝高61.50m,坝顶宽5.50m,坝底宽16.00~19.20m,坝顶中心角为78°,坝顶最大弧长153.95m,综合厚高比0.26,属中厚拱坝。大坝左右两岸为非溢流坝,河床段为溢流坝,溢流坝段弧长21.04m,非溢流坝段弧长132.91m。在坝内433.50m设2.50m×3.00m灌浆排水及观测廊道。混凝土采用拌和站...