| 砂卵石地层中灌注桩后压浆模型试验设计与分析 |
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| 引用本文： | 刘影,姚勇,彭陆,肖军.砂卵石地层中灌注桩后压浆模型试验设计与分析[J].四川建筑科学研究,2009,35(5). |
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| 作者姓名： | 刘影 姚勇 彭陆 肖军 |
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| 作者单位： | 刘影,姚勇,肖军(西南科技大学土木工程与建筑学院,四川,绵阳,621010);彭陆(四川现代建筑设计有限公司,四川,成都,610041) |
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| 摘 要： | 通过室内模型试验,分析了砂卵石地层中不同压浆方式下的灌注桩的荷载传递特点,桩端阻力、侧阻的变化规律及二者荷载分担关系.试验表明,砂卵石地层灌注桩采用后压浆技术,能显著提高其承载能力,减小沉降.所得结论真实反映模型试验结果,对工程实践及理论研究起到一定指导作用.
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| 关 键 词： | 灌注桩 后压浆 模型试验 砂卵石 |
Design and analysis model test of pile with grouting base-on sandy pebble stratum |
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| LIU Ying,YAO Yong,PENG Lu,XIAO Jun.Design and analysis model test of pile with grouting base-on sandy pebble stratum[J].Building Science Research of Sichuan,2009,35(5). |
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| Authors: | LIU Ying YAO Yong PENG Lu XIAO Jun |
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| Affiliation: | LIU Ying1,YAO Yong1,PENG Lu2,XIAO Jun1(1.School of Civil Engineering , Architecture,Southwest University of Science , Technology,Mianyang 621010,China,2.Sichuan mordern architectural design Co.Ltd,Chengdu 610041,China) |
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| Abstract: | Through design indoor model test,study and analyzed the load transfer characteristics of pile under different grouting modes in the sandy pebble stratum,change rules of pile tip resistance,lateral resistance and the changes of relations between the two load-sharing,experiments show that pile with grouted in sandy pebble stratum can significantly enhance its carrying capacity,reducing the settlement.The conclusions reflect the true model test results,can play an instructional role for the engineering practic... |
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| Keywords: | pile post-grouting model test sandy pebble stratum |
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