【摘要】 大直径人工挖孔扩底灌注桩具有受力明确、承载力高、施工方便、无噪音、造价低等优点。近几年 ,在我国北方地区的多、高层建筑中得到广泛应用。本文根据国家有关规范 (规程 ) ,从挖孔扩底桩的优点、设计计算、构造要求等方面进行了探讨。更多还原

【Abstract】 The club footed cast in place piles with man made large diameter hole has the advantages of definite load conditions,high bearing capacity,simple construction,no noise and low cost,etc.Over the years,they have been widely used for construction of multistoried and high rise buildings in northern area of China.Based on the related state norms or regulations,the advantages,design calculation and construction requirements of the piles are discussed更多还原