A. 石灰桩应采用有效CaO含量不低于70%的新鲜生石灰
B. 掺和料含水量过大时在地下水位以下易引起冲孔（放炮）
C. 石灰桩施工时不宜采用挤土成孔法
D. 当地基需要排水通道时，可在桩顶以上设200～300mm厚的砂垫层
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