混凝土灌注螺纹桩设计参数的应用研究  

APPLICATION STUDY ON DESIGN PARAMETERS OF CAST-IN-PLACE CONCRETE SCREW PILE

作　　者：徐春华[1] 张小冬[1] 徐学燕[2] 

机构地区：[1]哈尔滨工业大学建筑设计研究院,哈尔滨150090 [2]哈尔滨工业大学土木工程学院,哈尔滨150090

出　　处：《工业建筑》2010年第10期91-94,共4页Industrial Construction

基　　金：铁道部科技开发计划项目(2006G001-B-3)

摘　　要：采用静载试验及数值计算相结合的方法,分析混凝土灌注螺纹桩桩周土体应力分布情况、螺齿宽度、螺距等桩型参数对螺纹桩承载性能的影响,得出对螺纹桩承载性能的影响规律,以优化桩型设计参数。通过对工程造价的比较,表明螺纹桩与直桩在相同承载力下,造价大大降低。Using the combination of static load test and numerical calculation,the effects of pile parameters such as the stress distribution of soil surrounding a pile,helical width and helical pitch etc on the bearing behavior of a bored screw pile were analyzed,whose influencing laws were obtained,thus optimizing the design parameters of this sort of pile.Through a comparison of project cost,the cost of a screw pile is much lower than that of normal one under same bearing capacity.

关 键 词：混凝土灌注螺纹桩 静载试验 桩型设计参数 

分 类 号：TU473.1[建筑科学—结构工程]