摘要
通过水平静载缩尺试验对不同桩径(240 mm,300 mm,360 mm)及不同埋深(1.0 m,1.5 m,2.0 m)的“砝码式”钢管桩基础进行研究,并结合数值模拟软件对“砝码式”钢管桩基础的桩径及埋深对其水平承载特性的影响进行分析,得到“砝码式”钢管桩基础的水平承载特性和桩径及埋深等影响因素的关系.最后借助数学软件,结合试验数据拟合出适用于“砝码式”钢管桩基础的极限地基反力法计算修正公式,并验证了修正公式的可行性.研究结果可为日后“砝码式”钢管桩基础在工程中的应用提供参考依据.
Through the horizontal static load scale test,the“weight-type”steel pipe pile foundation was studied with different pile diameters(240mm,300mm,and 360mm respectively)and different depths(1.0m,1.5m,and 2.0m respectively).Combined with numerical simulation software,the influence of the pile diameter and the buried depth of the“weight-type”steel pipe pile foundation on its horizontal bearing characteristics were analyzed,and the relationship between the horizontal bearing characteristics of the“weight-type”steel pipe pile foundation and the influence factors such as pile diameters and buried depths was obtained.Finally,the mathematical formula and experimental data were used to fit the calculation formula of the ultimate foundation reaction method for the“weight-type”steel pipe pile foundation,and the feasibility of the modified formula was verified.The results can provide reference for the future application of“weight-type”steel pipe pile foundation in engineering.
作者
谢芳
曹金叶
冯炳
XIE Fang;CAO Jinye;FENG Bing(School of Civil Engineering,Shaoxing University,Shaoxing,Zhejiang 312000;Shaoxing Daming Electric Power Design Institute Co.Ltd.,Shaoxing,Zhejiang 312000)
出处
《绍兴文理学院学报》
2020年第4期1-8,共8页
Journal of Shaoxing University
基金
国网浙江省电力公司集体企业科技项目(SX-JT-KJ-2018-01).
关键词
砝码式
钢管
桩基础
水平荷载
桩径
埋深
weight type
steel pipe
pile foundation
lateral load
pile diameter
buried depth
作者简介
谢芳(1981-),女,浙江绍兴人,绍兴文理学院土木工程学院副教授,研究方向:复合材料组合结构及基础工程.E-mail:xiefangusx@163.com。
