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Title: New theory on the spatiotemporal effect of pile’s bearing performance
Other Title: 桩基承载性能时空效应新理论
Authors: Li, S
Zhou, J
Yin, JH 
Issue Date: 2008
Source: 建筑监督检测与造价 (Supervision test and cost of construction), 2008, v. 1, no. 1, p. 28-34
Abstract: 本文充分考虑复杂地质条件下桩-土和土-土相互作用的时间效应和空间效应对桩基承载性能的影响,将土的流变学理论与桩基承载性能综合弹性理论法相结合,建立一套完善、实用的桩土体系力学模型,创建了桩土承载性能时空效应分析新理论,提出了计算桩基承载性能时间和空间效应计算分析方法。结合试验研究和应用实例进行验证。该理论可用于指导桩基础设计时计算单桩的承载性能,预测单桩承载力和沉降随时间的变化趋势,达到有效地控制基础沉降的目的;用于桩基础施工质量的验收,计算基础的荷载-沉降关系,弥补目前桩基础检测技术的不足。
Some research work on the spatiotemporal effect of pile-soil system was done in this part, and subsequently, a relative perfect pile-soil system analytical model was established to research the mechanism of spatiotemporal effect.Correspondingly, the analytical and half-analytical solution of the spatiotemporal effect of single pile’s bearing performance was presented, with a computer procedure being developed.This new theory could be used to calculate pile’s bearing performance, predict the variational tend of the foundation’s bearing force and displacement, to control the settlement, and to check and accept the construction quality, which would make up for the deficiency of the foundation test technique at present.
Keywords: Pile foundation
Bearing Performance
Spatiotemporal effect
Linear vis-elastic deformation layer model
Extreme shear rheology unit model
Publisher: 该刊编辑部
Journal: 建筑监督检测与造价 (Supervision test and cost of construction) 
Rights: © 2008 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。
© 2008 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research use.
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