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浅淡地下水位以下干钻孔灌注桩施工技术

汪勇,贾宏

HEILONGJIANG LAND AND RESOURCES（2006）

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Abstract
近年来,钻孔压浆桩、超流态混凝土灌注桩、夯扩桩、静压桩等几种新型桩基施工工艺相继被引进我省,并占领了大部分桩基市场.虽然干作业钻孔灌注桩因单位承载力不高且对地层要求较高,但凭其施工工艺简单、机械易操作、造价低、施工速度快、混凝土灌注质量好等优点仍然在多层建筑中被广泛采用.
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