PHC管桩在老黏土地区应用的试验研究

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摘要针对 PHC 管桩在老黏土地区应用,开展了 PHC 管桩的承载特性与受力机理分析、挤土效应的数值计算与实践验证、 PHC 管桩填芯混凝土及焊缝连接的试验与有限元分析等研究,得出老黏土地区 PHC 管桩承载及变形等技术参数,为 PHC 管桩在老黏土地区的正确应用提供较为科学的试验与理论依据。

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	郭杨
	崔伟

关键词 ： PHC 管桩, 老黏土, 承载特性, 挤土效应, 管桩连接

Abstract：With regard to the application of PHC piles in paleo-clay area, the bearing behavior and mechanism, numerical calculation and practical proof of squeezing effect, experiment and finite element analysis of core concrete and connection of welding seam of PHC pile are carried out . Satisfactory technical parameters are obtained for the PHC piles in paleo-clay area. It provides more scientific and theoretical basis for the tests on the application of PHC pile in paleo-clay area.

Key words： PHC pile paleo-clay bearing behavior squeezing effect connection of PHC piles

收稿日期: 2011-08-02

TU473.1

作者简介: 郭杨 (1970 – ) ,男,安徽合肥人,教授级高级工程师,主要从事地基基础方面的研究与实践工作。

引用本文:

郭杨, 崔伟. PHC管桩在老黏土地区应用的试验研究[J]. 岩土工程学报, 2011, 33(sup2): 108-115. GUO Yang, CUI Wei. Experimental study on application of PHC piles in paleo-clay area. Chinese J. Geot. Eng., 2011, 33(sup2): 108-115.

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http://manu31.magtech.com.cn/Jwk_ytgcxb/CN/ 或 http://manu31.magtech.com.cn/Jwk_ytgcxb/CN/Y2011/V33/Isup2/108

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