单桩抗拔试验及成果分析Experiments of single-pile vertical pull-out and the analysis of results
张进林,沈军辉,裴向军
ZHANG Jin-lin; SHEN Jun-hui; PEI Xiang-jun(College of Environment and Civil Engineering;
摘要(Abstract)：
鉴于抗拔力系数λi经验取值跨度大,基于λi计算的抗拔力具有很强的经验性,通过与抗拔试验结果的对比,说明了单桩抗拔试验是确定单桩极限抗拔力最直观、最准确的方法。试验结果分析表明,抗拔力的影响因素不仅仅是桩侧摩阻力,还受桩身材料性质控制。
Owing to the consult value of anti-pulls out coefficient λ i can be set in a large variety, and calculating of the pulling capacity according to the λ i has the very strong experience. Comparisons of the result of experiments for vertical pull-out show that pile pulling test is the most direct and the most accurate method. Experiment results indicate, the influence factor of the pulling capacity is not only a side bearing capacity, but also can be controlled by properties of pile's material.
关键词(KeyWords)：
抗拔力;抗拔系数;分析
pulling capacity; anti-pulls coefficient; analysis
基金项目(Foundation):
作者(Authors):
张进林,沈军辉,裴向军
ZHANG Jin-lin; SHEN Jun-hui; PEI Xiang-jun(College of Environment and Civil Engineering;
参考文献(References)：
文章评论(Comment)：
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