A. 对于低洼场地，宜在建筑四周向外一倍冻深范围内，使室外地坪至少高出自然地面300～500mm
B. 防止雨水、地表水，应设置排水设施
C. 当梁或桩基承台下有冻土时，应留有相当于该土层冻胀量的空隙
D. 按采暖设计的建筑物，当冬季不采暖时，不用对地基采取保温措施
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