全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

高速公路软土地基加固效果数值模拟

DOI: 10.3969/j.issn.1674-0696.2014.01.14, PP. 60-63

Keywords: 碎石桩加固地基,CFG桩加固地基,碎石桩与CFG桩组合加固地基,gravelpilestrengtheningfoundation,CFGpilestrengtheningfoundation,gravelpileandCFGpilecombinedtoreinforcefoundation

Full-Text   Cite this paper   Add to My Lib

Abstract:

:?以杭瑞高速公路贵州遵义一毕节段软土地基处理工程为依托,针对碎石桩加固、CFG桩加固以及碎石桩与CFG桩联合加固三种不同软土路基加固形式,利用PLAXIS有限元软件建立数值模拟模型,计算位移、桩间土应力,对比分析了三种方法的加固效果及经济性。研究表明:碎石桩加固、组合桩加固、CFG桩加固三种加固地基的最大坚向位移分别为0.569,0.056,0.035m;最大水平位移分别为0.317,0.069,0.054m;造价分别为8480.27,9776.08,11216.08元。说明CFG桩加固效果最好,而组合桩加固地基具有经济优势。

References

[1]  Tian Zhiyong, Shi Zhifei, Wang Wenjie. Application of composite foundation technology of Compacting gravel pile and CFG pile[J]. Municipal Administration Technology,2003,21(3):156-162.
[2]  杨瑞,闫澍旺,崔激.碎石桩与土工格栅联合加固高原湿地软路基机理研究[J].公路交通科技,2006(6):36-39.
[3]  北京金土木软件技术有限公司.PLAXIS岩土工程软件使用指南[M].北京:人民交通出版社,2010.
[4]  Beijing Civil King Software Technology Co. Ltd.. User Guide of Geotechnical Engineering Software PLAXIS [M]. Beijing: China Communications Press, 2010.
[5]  刘利群.碎石与CFG组合桩在高速公路软基处理中的应用研究[D].长沙:湖南大学,2006.
[6]  Liu Liqun. The Application of Research of Gravel and CFG Pile in Expressway Soft Soil Foundation Treatment [D]. Changsha: Hunan University, 2006.
[7]  龚晓南.复合地基理论及工程应用[M].北京:中国建筑工业出版社, 2002.
[8]  Gong Xiaonan. Composite Foundation Theory and Engineering Application [M]. Beijing: China Building Industry Press,2002.
[9]  闫明礼,张东刚.CFG桩复合地基技术及工程实践 [M]. 2版.北京:中国水利水电出版社,2006.
[10]  Yan Mingli, Zhang Donggang. CFG Pile Composite Foundation Technology and Engineering Practice [M]. 2nd Ed. Beijing: China Water Conservancy and Hydropower Press, 2006.
[11]  刘晓红,张永波.CFG桩与碎石桩组合桩复合地基在工程中的应用[J].山西建筑,2004,30(16):76-77.
[12]  Liu Xiaohong, Zhang Yongbo. Application of composite foundation of CFG and gravel composite pile in the engineering [J]. Shanxi Architecture,2004,30(16):76-77.
[13]  田志勇,史智飞,王文杰. 挤密碎石桩与CFG桩复合地基技术的应用[J].市政技术,2003,21(3):156-162.
[14]  赵明.组合桩在高速公路软基处理中的应用探讨[J].黑龙江交通科技,2011(2):15-16.
[15]  Zhao Ming. Application to discuss composite pile in soft foundation treatment of highway [J].Journal of Transportation Research and Development of Heilongjiang,2011(2):15-16.
[16]  Yang Rui, Yan Shuwang, Cui Ji. Study on mechanism of gravel pile and geogrid joint reinforcement soft subgrade of plateau wetland[J]. Journal of Highway Transportation Research and Development,2006 (6):36-39.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133