| 现浇薄壁管桩(PCC)复合地基荷载变形特性 |
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| 引用本文： | 周云东,彭贵,刘汉龙,杨寿松.现浇薄壁管桩(PCC)复合地基荷载变形特性[J].岩土力学,2005,26(Z1):237-240. |
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| 作者姓名： | 周云东 彭贵 刘汉龙 杨寿松 |
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| 作者单位： | [1]河海大学岩土工程研究所 [2]徐州长城基础工程公司 [3]河海大学岩土工程研究所 南京 [4]江苏徐州 |
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| 摘 要： | 结合现浇薄壁管桩(PCC)在盐通高速公路桥头软基加固中的应用,通过一系列现场试验观测对现浇薄壁管桩复合地基的桩土荷载分担、沉降、桩土差异沉降、路堤稳定性等的变化规律进行了探讨。观测表明,PCC技术可显著减小地基的沉降量,使用该技术加固后地基具有沉降收敛快、工后沉降小的特点。
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| 关 键 词： | 现浇薄壁管桩 高速公路 软基加固 试验观测 |
Bearing capacity and deformation characteristic of a composite foundation with cast-in-place thin-wall concrete piles |
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| ZHOU Yun-dong,PENG Gu,LIU Han-long,YANG Shou-song.Bearing capacity and deformation characteristic of a composite foundation with cast-in-place thin-wall concrete piles[J].Rock and Soil Mechanics,2005,26(Z1):237-240. |
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| Authors: | ZHOU Yun-dong PENG Gu LIU Han-long YANG Shou-song |
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| Institution: | 1. Research Institute of Geotechnical Engineering, Hohai University, Nanjing 210098, China;
2. Xuzhou Great Wall Ground Improving Company, Xuzhou 221004, China |
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| Abstract: | Based on the application of cast-in-place thin-wall concrete pile (PCC) in Yan-Tong Expressway, a series of field experiments and monitoring are conducted. The characteristics of load sharing, settlement and differential settlement and embankment stability are discussed. |
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| Keywords: | cast-in-place thin-wall concrete pile expressway ground improvement monitoring |
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