| 红粘土桩-网复合地基现场试验研究 |
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| 引用本文： | 杨果林,黄向京,赵伟.红粘土桩-网复合地基现场试验研究[J].水文地质工程地质,2010,37(1):85-89. |
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| 作者姓名： | 杨果林 黄向京 赵伟 |
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| 作者单位： | 中南大学土木建筑学院; |
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| 基金项目： | 国家自然科学基金资助项目，铁道部科技研究开发计划项目 |
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| 摘 要： | 桩-网复合地基同时具备竖向增强和水平向增强两种加固形式的优点,由桩、网、土三者共同协调作用,有效分担路堤荷载,是一种作用机理复杂的地基加固方法。通过对某客运专线红粘土桩-网复合地基试验段进行的现场测试试验,对复合地基的基底土压力、土工格栅变形、孔隙水压力以及桩土沉降量等方面的测试,得出红粘土复合地基需要在桩、网、桩间土通过一个反复的作用过程才能达到稳定状态等结论,将有助于深入研究桩-网复合地基加固机理,并为进一步完善桩-网复合地基设计方法提供依据。
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| 关 键 词： | 客运专线 路基 桩-网复合地基 土工格栅 土拱效应 拉膜效应 |
Experimental study on pile-net composite foundation of red clay |
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| YANG Guo-lin,HUANG Xiang-jing,ZHAO Wei.Experimental study on pile-net composite foundation of red clay[J].Hydrogeology and Engineering Geology,2010,37(1):85-89. |
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| Authors: | YANG Guo-lin HUANG Xiang-jing ZHAO Wei |
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| Affiliation: | School of Civil and Architecture Engineering,Central South University,Changsha 410075,China |
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| Abstract: | The pile-net composite foundation,combining the advantages of vertical reinforcement and the horizontal reinforcement simultaneously,in which the pile-net-soil coordinates together affects and shares the embankment load effectively,is a reinforcement method that has complex mechaism.Through in-situ test of the red clay foundation of the railway line for passenger traffic line reinforced by pile-net composite foundation,some tests including the earth pressure of the base of the foundation,the deformation of ... |
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| Keywords: | passenger traffic line roadbed pile-net composite foundation geogrid effect of soil arch effect of tension membrane |
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