Computing method of elastic foundation beam with variable bedding value and its application

CUI Yi; JIANG Xin-liang; BAO Peng

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Computing method of elastic foundation beam with variable bedding value and its application

更新时间：2026-06-25

- Computing method of elastic foundation beam with variable bedding value and its application
- Vol. 24, Issue 4, (2003)
- 作者机构：
  
  1. 天津大学建工学院,天津,300072
  2. 河南大学建工系,开封,475001
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU470
- Online First：19 August 2014，
  
  Published：2003
- 稿件说明：
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CUI Yi, JIANG Xin-liang, BAO Peng. Computing method of elastic foundation beam with variable bedding value and its application[J]. 2003, 24(4).
DOI：

CUI Yi, JIANG Xin-liang, BAO Peng. Computing method of elastic foundation beam with variable bedding value and its application[J]. 2003, 24(4). DOI：

摘要

从实测的P-S曲线（基地压力与沉降的关系）出发，将P-S曲线拟合成分段线性函数，把分段线性函数的斜率作为基床系数，推导出变基床系数弹性地基梁的基本理论方程式，并将它变换成与常基床系数弹性地基梁相同的方程形式，从而，可以用初参数法解出它的一般解。此方法可以推广到变截面梁和非均质地基的情况。

Abstract

Based on actual measured P-S curve

this article fits the curve to subsection linear function

and uses the slope of the function as bedding value. Then it derives the basic academic equation of variable bedding value elastic foundation beam; and changes it to the same equation form as constant bedding value elastic foundation beam. Having done that we can get the common results using the initial parameter method. This method can also be used in the case of variable cross-section beam and heterogeneous foundation.

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