大体积混凝土承台温控设计与现场应用效果研究  

Study on Temperature Control Design and Field Application Effect of Mass Concrete Bearing Platform

作　　者：胡桂海 Hu Guihai(Guangzhou Hengsheng Construction Engineering Co.,Ltd.,Guangzhou,China)

机构地区：[1]广州市恒盛建设工程有限公司,广东广州

出　　处：《科学技术创新》2023年第17期159-162,共4页Scientific and Technological Innovation

摘　　要：基于实际工程项目,阐述了大体积混凝土的温控方案的设计及计算参数的合理取值。采用Midas-Civil三维有限元分析软件进行了施工过程水化热模拟计算,并与实际温控成果数据进行比较。重点针对温度峰值及其出现时间、内外温差三个方面的差异进行了深入分析,提出了方案设计、模拟计算、现场监测、偏差分析相结合的大体积混凝土温控手段,可作为类似工程借鉴之用。Based on the actual project,the design of temperature control scheme of mass concrete and the reasonable value of calculation parameters are expounded.Midas civil is used to simulate the hydration heat in the construction process,and the results are compared with the actual temperature control results.The differences of temperature peak value and its appearance time and temperature difference between inside and outside are analyzed in detail,The temperature control method for mass concrete is proposed,which combines scheme design,simulation calculation,on-site monitoring and deviation analysis,It can be used as a reference for similar projects.

关 键 词：大体积混凝土 水化热 温控设计 

分 类 号：U445.57[建筑科学—桥梁与隧道工程]