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不同桩土协调条件对饱和土中桩基础动力响应的影响

聂卫东,  陆建飞

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文章导航 > 工业建筑  > 2007 >  37(8): 55-59
聂卫东, 陆建飞. 不同桩土协调条件对饱和土中桩基础动力响应的影响[J]. 工业建筑, 2007, 37(8): 55-59. doi: 10.13204/j.gyjz200708015
引用本文: 聂卫东, 陆建飞. 不同桩土协调条件对饱和土中桩基础动力响应的影响[J]. 工业建筑, 2007, 37(8): 55-59. doi: 10.13204/j.gyjz200708015
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Nie Weidong, Lu Jianfei. INFLUENCE OF DIFFERENT COMPATIBILITY CONDITIONS BETWEEN PILE AND SOIL ON DYNAMIC RESPONSE OF A SINGLE PILE[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(8): 55-59. doi: 10.13204/j.gyjz200708015
Citation: Nie Weidong, Lu Jianfei. INFLUENCE OF DIFFERENT COMPATIBILITY CONDITIONS BETWEEN PILE AND SOIL ON DYNAMIC RESPONSE OF A SINGLE PILE[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(8): 55-59. doi: 10.13204/j.gyjz200708015
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不同桩土协调条件对饱和土中桩基础动力响应的影响

doi: 10.13204/j.gyjz200708015
  • 1.

    江苏大学 土木工程系 镇江 212013

基金项目: 

国家自然科学基金资助项目(50578071)

详细信息
    作者简介:

    聂卫东　男　1980年3月出生　硕士研究生 E-mail:dony_heb@yahoo.com.cn

INFLUENCE OF DIFFERENT COMPATIBILITY CONDITIONS BETWEEN PILE AND SOIL ON DYNAMIC RESPONSE OF A SINGLE PILE

  • 1.

    Department of Civil Engineering,Jiangsu University Zhenjiang 212013

    摘要
  • 摘要: 对采用不同桩土协调条件时,饱和土中的单桩在P、SV波作用下的动力响应的差异进行研究。采用虚拟桩的方法,将桩土体系分解为虚拟桩和拓展半空间土的叠加。利用圆形荷载基本解,分别用竖向应变、竖向位移和水平转角、水平位移两种不同协调条件,建立桩土相互作用的第二类Fredholm积分方程。求解积分方程可得桩在P、SV波作用下的动力响应。数值结果显示两种协调条件所得结果除轴力有一定差别外,其他量数值上基本接近。研究成果可作为选择不同桩土协调条件研究桩土动力相互作用问题的重要依据。
    Abstract: The influence of different compatibility conditions between pile and soil on the dynamic response of a single pile embedded in a saturated soil and subjected to P,SV waves is investigated.According to the fictitious pile methodology,the pile soil interaction system is decomposed into a fictitious pile and an extended half space saturated soil.Based on the fundamental solutions for a circular harmonic patch load,the second kind of Fredholm integral equations for the pile are established via two kinds of compatibility conditions: vertical strain or vertical displacement as well as rotary angle or horizontal displacement.Solution of the integral equations yields the dynamic response of the pile soil system.Numerical results indicate that,except the axial force,numerical results for other variables due to the two compatibility conditions are very close.The research finding is an important criterion for choosing different compatibility conditions for simulating dynamic pile soil interaction.
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    • 参考文献(17)
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出版历程
  • 收稿日期:  2006-10-18
  • 刊出日期:  2007-08-20

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