摘要
借助于有限差分软件FLAC3D来模拟后注浆对桩端承载性能产生的影响,通过建立不同的数值模型,分析在不同桩长、不同注浆量的条件下桩端后注浆对钻孔灌注桩承载力产生的影响。并对沈阳夏宫城市广场试验桩的模拟结果与现场静载试验结果进行对比。研究结果表明,桩长和单桩注浆量对桩端后注浆钻孔灌注桩的承载力影响最为显著。
Utilizing FLAC3D finite element software,the authors simulate the influence of bearing capacity of pile,analyze the influence of bearing capacity of post-grouting under the different pile lengths and grouting quantities by establishing the numerical models of bored piles end post-grouting.Lastly,the simulation results of test piles in Shenyang Xiagong City Square engineering and field static load test results are compared.Research results show that the main factors effected on bearing capacity of bored pile with post-grouting are lengths and grouting volume.
出处
《施工技术》
CAS
北大核心
2012年第3期92-94,共3页
Construction Technology
基金
中央高校基本科研基金(N090401008)
辽宁省自然科学基金项目(20092011)
教育部留学人员回国科学研究基金(20071108-3)
关键词
桩基础
钻孔灌注桩
后注浆
模拟
沉降
pile foundations
bored piles
post-grouting
simulation
settlement
