摘要
Abstract
In this paper,combined with a commercial building project,the vertical compressive static load test of large-diameter bored pile was carried out,and the load transfer behavior of bored pile was analyzed.The results show that the Q-s curve of bored pile shows a trend of ap-proximate linear increase at first and then rapid increase.After unloading,the displacement rebound ratio reaches 34.5%,and most soils have entered the limit state.Pile tip resistance increases slightly at first and then rapidly with the increase of load.The curve of the relationship be-tween pile tip resistance and pile tip displacement is the stage of slight increase at first,linear increase and finally stable.The slope of the curve in the stage of linear increase is the pile tip resistance 458.9kN and the pile tip displacement 1 mm.关键词
钻孔灌注桩/现场试验/抗压承载特性/力学性能Key words
Bored pile/Field test/Compressive bearing characteristics/Mechanical property分类
建筑与水利
