温度控制与监测技术在大体积混凝土中的应用

Application of Temperature Control and Monitoring Technology in Mass Concrete

近年来,社会经济和科学技术突飞猛进,超高层建筑越来越多。地下室底板大体积混凝土的厚度较大,且存在大体积承台,由于大量热量会伴随着混凝土水化过程而释放出来,从而引发混凝土内部温度升高,造成混凝土内外温差很大,容易导致混凝土出现温度裂缝。结合本公司在施项目工程实际,阐述了本项目温度监测及降温措施在大体积混凝土浇筑中的应用。

In recent years,social economy and science and technology have advanced rapidly,and there are more and more super high-rise buildings.The thickness of the large-volume concrete of the basement floor is large,and there is a large-volume cap.Because a large amount of heat will be released along with hydration process of the concrete,it will cause the internal temperature of the concrete to rise,resulting in a large temperature difference between inside and outside of the concrete,which is easy to cause appearance of concrete temperature cracks. Combined with the actual project of the company under construction,the application of the temperature monitoring and cooling measures of this project in the mass concrete pouring is explained.