Application and finite element analysis of designing method of settlement-controlled composite piled foundation

SUN Li-Qiang; YAN Shu-Wang

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Application and finite element analysis of designing method of settlement-controlled composite piled foundation

更新时间：2026-06-25

- Application and finite element analysis of designing method of settlement-controlled composite piled foundation
- Vol. 27, Issue S1, (2006)
- 作者机构：
  
  天津大学岩土工程研究所,天津,300072
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU443
- Online First：15 December 2006，
  
  Published：2006
- 稿件说明：
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SUN Li-Qiang, YAN Shu-Wang. Application and finite element analysis of designing method of settlement-controlled composite piled foundation[J]. 2006, 27(S1).
DOI：

SUN Li-Qiang, YAN Shu-Wang. Application and finite element analysis of designing method of settlement-controlled composite piled foundation[J]. 2006, 27(S1). DOI：

摘要

常规复合桩基设计方法通常只考虑桩的承载作用，忽略了桩间土的承载作用，使实际工程过于安全而造成不必要的经济投入。通过对软土地基的研究，提出了由容许沉降量确定桩数的复合桩基设计，即按沉降量控制的复合桩基的完整设计法，介绍了以沉降量为控制指标的设计原则和步骤，并用一个工程实例说明了该方法的计算过程，运用ABAQUS有限元软件对该工程进行了数值模拟计算。数值模拟计算的结果验证了该理论的合理性，最后将其与常规方法设计进行了经济比较，显示了前者有一定的经济优势。

Abstract

Considering the conventional designing method of composite piled foundation only takes the bearing of piles into account. Through studying of the soft soil foundation

a complete designing method has been developed to choose the number of piles on the basis of allowable settlement for the composite piled foundation; that is

to be settlement-controlled composite piled foundation. The paper introduces the basic principles and procedures of the design method taking settlement control as the key objective. Then

the calculation process is presented by a project example; and the numerical calculation is also made by finite element software. Compared with the conventional design method it shows great economic predominance.

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