Research on displacement of anchorage of suspension bridge

LI Jia-ping; LI Yong-sheng; WANG Ru-lu

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Research on displacement of anchorage of suspension bridge

更新时间：2026-06-25

- Research on displacement of anchorage of suspension bridge
- Vol. 28, Issue 1, (2007)
- 作者机构：
  
  1. 上海地铁运营有限公司监护分公司,上海,200003
  2. 同济大学地下建筑与工程系,上海,200092
- 作者简介：
- 基金信息：
- DOI：
  CLC： U448.25
- Online First：28 August 2013，
  
  Published：2007
- 稿件说明：
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LI Jia-ping, LI Yong-sheng, WANG Ru-lu. Research on displacement of anchorage of suspension bridge[J]. 2007, 28(1).
DOI：

LI Jia-ping, LI Yong-sheng, WANG Ru-lu. Research on displacement of anchorage of suspension bridge[J]. 2007, 28(1). DOI：

摘要

采用室内相似模型试验和数值模拟方法，对某悬索桥重力式锚碇变位问题进行了研究。相似模型的几何相似常数为1:100，体积力相似常数为1:1.325。数值模拟取相似模型试验条件，土体服从摩尔-库仑准则，锚碇和围护结构视作弹性体，选用模型试验相似材料实际参数。研究表明，软土中锚碇结构的变位随锚拉力变化的规律为：在锚拉力作用下，锚碇不仅向前水平位移，而且产生前端下沉、后端隆起的刚体转动，变位随锚拉力的增加呈非线性增大。锚碇基础下部地基加固、锚碇基坑围护结构以及锚碇周围土体对提高锚碇稳定性具有积极作用。

Abstract

Based on model test and numerical simulation

the research on displacement of a gravity anchorage of a suspension bridge has been carried out. The model test is carried out with geometrical scale 1:100 and soil mass force scale 1:1.325. Numerical simulation adopts the same conditions of the model test. The Mohr-Coulomb yield criterion is used for soil. Anchorage and pit-supporting structure are regarded as elastic mass. Parameters are chosen according to the similar material of the model test. The research gives the displacements of anchorage under different load conditions. For the designing load

it is shown that the anchorage itself has horizontal displacement and rigid rotation with forepart sinking and back-end heaving. Displacement increase with the designing load added. In addition

the soil improvement

pit-supporting structure and surrounding soil mass contribute greatly to the stability of the bridge anchorage.

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