Universal calculation formula of additional vertical stress under bridge abutment due to embankment and conical slope

YANG-Qi; LENG Wu-ming; DENG Zong-wei; NIE Ru-song

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Universal calculation formula of additional vertical stress under bridge abutment due to embankment and conical slope

更新时间：2026-06-25

- Universal calculation formula of additional vertical stress under bridge abutment due to embankment and conical slope
- Vol. 29, Issue 3, (2008)
- 作者机构：
  
  中南大学土木建筑学院,长沙,410075
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU432
- Online First：19 July 2013，
  
  Published：2008
- 稿件说明：
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YANG-Qi, LENG Wu-ming, DENG Zong-wei, et al. Universal calculation formula of additional vertical stress under bridge abutment due to embankment and conical slope[J]. 2008, 29(3).
DOI：

YANG-Qi, LENG Wu-ming, DENG Zong-wei, et al. Universal calculation formula of additional vertical stress under bridge abutment due to embankment and conical slope[J]. 2008, 29(3). DOI：

摘要

台后路堤及锥体将在桥台地基中产生附加竖向压应力，它是桥台设计中计算桥台不均匀沉降、桥台前移、桥台桩基侧压力和挠度的关键参数。根据有关力学原理，推导了任一宽度台后路基及锥体引起桥台地基附加竖向压应力的计算公式，解决了现有规范中计算桥台基底附加竖向压力方法只适用于单线铁路路基和查表内插易产生误差的缺点，并易于利用计算机编制程序进行计算。

Abstract

The embankment on the back of bridge abutment and the conical slope produce additional vertical stress in the bridge abutment subsoil; the stress is the key parameter to calculate the differential settlement

lateral movement of the bridge abutment

the lateral pressure and flexibility of the abutment’s pile foundation. Based on the elastic theory formula and the superposition principle

the calculation formulas of the stress are deduced so as to solve the problem of the existing code only applicable to single-track roadbed and error due to looking up table together with interpolation. In addition

the formula is apt to make a computing program.

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