用标准贯入击数估算钻孔灌注桩单桩极限承载力  

On estimation of ultimate bearing capacity of single pile in bored piles with blow count SPT

作　　者：彭瑞杰 董士伟[1] 张文涛[1] 田丽丽[1] 

机构地区：[1]天津市勘察院,天津300000

出　　处：《山西建筑》2014年第35期76-78,共3页Shanxi Architecture

摘　　要：通过对物性参数与侧阻力、端阻力关系的分析研究,建立了标贯击数与侧阻力、端阻力的经验关系式,经过分析验证,指出利用标贯击数估算单桩极限承载力可获得较高的精确度,应用到实际工程中是可行的。According to the analysis and research on physical parameter, collateral resistance, tip resistance, the paper establishes the empirical correlation among the blow count of SPT, collateral resistance, and tip resistance, points out the results through the blow count SPT estimation is highly accurate, so it is feasible in projects.

关 键 词：标贯击数 侧阻力 端阻力 钻孔灌注桩 

分 类 号：TU473.11[建筑科学—结构工程]