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黑龙江省木兰县冬季最低温度达-40℃,最大冻深2米。小型水工建筑物普遍而严重地遭受冻害。多年来为防冻害我们采取过一些措施,如广泛采用大基础深基础,采用大断面的重力式结构等方法,实践证明,这样做在某种程度上可以防冻害。大量实践表明,建筑物的总体布置是否适应抗冻性,是北方地区建筑物设计中极为重要的问题。以下就简化总体布置及结构形式中的一些体会分述之下。
Mulan County, Heilongjiang Province in winter minimum temperature of -40 ℃, the maximum deep frozen 2 meters. Small and medium-sized hydraulic structures suffer widespread and severe damage. For many years we have taken some measures for frost damage, such as the extensive use of large foundations and deep foundations, the use of large sections of the gravity structure and other methods, the practice has proved that in doing so to some extent, frost damage. A lot of practice shows that the overall arrangement of buildings to adapt to frost resistance is a very important issue in the design of buildings in the north. The following simplifies the overall layout and structure of some of the experience described below.