Effect of foundation width on bearing capacity of soil based on numerical analysis

YANG Guang-hua; WANG En-qi

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Effect of foundation width on bearing capacity of soil based on numerical analysis

更新时间：2026-06-25

- Effect of foundation width on bearing capacity of soil based on numerical analysis
- Vol. 34, Issue S2, (2013)
- 作者机构：
  
  1. 广东省水利水电科学研究院,广州,510610
  2. 广东省岩土工程技术研究中心,广州,510610
  3. 华南理工大学土木与交通学院,广州,510641
- 作者简介：
- 基金信息：
- DOI：
  CLC： O241
- Online First：19 November 2013，
  
  Published：2013
- 稿件说明：
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YANG Guang-hua, WANG En-qi. Effect of foundation width on bearing capacity of soil based on numerical analysis[J]. 2013, 34(S2).
DOI：

YANG Guang-hua, WANG En-qi. Effect of foundation width on bearing capacity of soil based on numerical analysis[J]. 2013, 34(S2). DOI：

摘要

利用数值方法对传统的地基极限承载力的计算公式进行了验证，结果表明传统的理论公式中基础宽度对极限承载力的贡献是正确的。通过数值计算结果，针对目前地基规范中地基承载力特征值限定基础宽度的贡献，研究了地基承载力的合理确定方法，认为地基的承载力应根据实际基础的沉降和地基承载力的安全系数来确定更科学合理。基础宽度对地基承载力的影响已在沉降和承载力安全系数上得到反映，从而计算时不必限定基础宽度，由此可以获得更合理的地基承载力值。

Abstract

The traditional ultimate bearing capacity formula is verified through numerical analysis in this essay. It is shown that the contribution of base width to ultimate bearing capacity in traditional formula is correct. Through the numerical analysis

aiming at the contribution of base width limitation to foundation bearing capacity in code method

we studied a reasonable method for ascertain the bearing capacity

and we believe that determining the bearing capacity of soil with settlement and safety factor of the real foundation is more reasonable. The reflection of the bearing capacity of soil from base width has already effect the settlement and safety factor

therefore we can receive the bearing capacity of soil more reasonable with no necessary to limit the base width.

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