
1、小扭矩旋挖钻的定义
动力输出扭矩为60~100kN•m,最大成孔直径可达600mm~1200mm,最大成孔深度为45m,整机重量40吨左右
2、工民建钻孔灌注桩中不同设备施工指标的对比,
小扭旋挖钻各项指标有缺陷,但在施工效率和环保方面优点突出,主要表现为,桩径和桩深可以满足设计要求,自动化程度高,钻孔效率高,施工速度快,覆带地盘承载按地比压小,等很多优点
3、富岛机械旋挖钻机在工民建中桩基施工中的优势
结构简单,便于运输,一机多用,施工效率高,施工场地适应性好,施工经济性好,
4、扩底桩在工民建桩基施工中的应用推广
日本企业95%以上的建筑桩基都是扩底桩,因此扩底桩符合撞击发展的趋势。
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