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我国地域辽阔,气候差异大,很大一部分地区由于冬季气候寒冷,形成季节性的冻土区。如果这些地区的房屋基础或地下室的施工赶上严寒天气,又没有采取有效的防冻措施,使地基部分或全部暴露在严寒大气
China is a vast country with a wide range of climatic differences. A large part of the region has a seasonally frozen area due to the cold winter weather. If the construction of the base of the house or basement in these areas catches up with the cold weather, no effective anti-freezing measures have been taken so that part or all of the foundation is exposed to the severe cold atmosphere.