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wu cheng tai qiao dun de jian zao gong yi he jie gou de gai jin fang fa
Author(s): 
Pages: 73-76
Year: Issue:  1
Journal: World Bridges

Keyword:  钻孔灌注桩柱桩钢筋混凝土柱振动打桩机建筑施工起重机大直径管桩水泥砂浆设计位置;
Abstract: <正> 在建造的桥梁中,约有半数都市桥墩,为此,在修建基础时,需要进行围护。修建基础的费用占矫梁全部费用的30%,劳动量占40%。由于在建筑施工中采用了大吨位的起重机、钻孔技术装备及大功率的振动打桩机,故在桥墩基础上使用大直径棱形管桩、钻孔灌注桩和拼装式柱桩,它们将横梁承受的荷载直接传到承载土上,这样就可以不用承台了。
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