基于原型观测的高温季节大体积混凝土施工温控分析与改进措施.pdf
DOI:10.16616/j.cnki.11-4446/TV.2022.05.07
基于原型观测的高温季节大体积混凝土
施工温控分析与改进措施
112
陈敏芬叶雷震余志华
(1.杭州市水利水电工程质量安全管理服务中心,浙江杭州310005;
2.杭州市临安区双溪口水库工程指挥部,浙江临安311300)
【摘要】高温季节大体积混凝土施工过程中,解决混凝土水化热带来的温度问题是混凝土质量控制的关键。本
文通过双溪口水库工程实例,基于施工期大坝温度原型观测资料,采取对比分析、数据整编、因素分析等方法对通
水冷却施工成果进行分析并提出有效的改进措施。研究结果表明,除优化通水冷却外,降低原材料和环境温度、控
制浇筑间歇期等措施,可很好地控制混凝土施工期温度。本文研究可为类似工程温控措施的优化提供借鉴。
【关键词】大体积混凝土;高温季节;温控措施;原型观测
中图分类号:TV52文献标志码:B文章编号:2097-0528(2022)05-034-05
Analysisandimprovementmeasuresofconstructiontemperature
controlofmassconcreteinhightemperatureseasonbasedon
prototypeobservation
CHENMinfen,YELeizhen,YUZhihua112
(1.HangzhouWaterConservancyandHydropowerEngineeringQualityandSafetyManagementServiceCenter,
Hangzhou310005,China;
2.ZhejiangLin’anShuangxikouReservoirProjectHeadquarters,Lin’an311300,China)
Abstract:Intheprocessofmassconcreteconstructioninhightemperatureseason,thesolutionofthetemperatureproblem
causedbythehydrationheatofconcreteisthekeytoconcretequalitycontrol.BasedontheexampleofShuangxikou
ReservoirProjectandtheprototypetemperatureobservationdataofthedamduringtheconstructionperiod,theconstruction
resultsofwatercoolingareanalyzedthroughmethodssuchascomparativeanalysis,datacompilation,andfactoranalysis,
andeffectiveimprovementmeasuresareputforward.Theconclusionshowsthatinadditiontooptimizingwatercooling,
temperaturecontrolmeasuresformassconcreteconstructioninhightemperatureseasons,su