高层建筑冬施中基础防冻问题是寒冷地区基础施工的主要问题,近年来由于措施不当基础遭受冻害的较多,主要是箱形基础大坑垫层打完后绑扎钢筋时间较长,大约一个月时间,因此土壤受冻。目前常用方法是挖好基槽后打混凝土垫层时根据计算采用防冻措施,以免遭受冻结。为了便于施工人员应 The problem of foundational antifreeze in winter in high-rise buildings is a major problem in basic construction in cold regions. In recent years, due to improper measures, many improper foundations suffered from freezing damage. Time, so the soil is frozen. At present, the commonly used method is to use anti-freezing measures according to the calculations to avoid freezing when the foundation mat is dug and the concrete mat is played. In order to facilitate construction workers should