Hollow Cable Shape  Analysis of Suspension Bridge with Spatial Cable Plane

doi:10.3969/j.issn.16740696.2017.02.02

Journal of Chongqing Jiaotong University(Natural Science) ›› 2017, Vol. 36 ›› Issue (2): 7-10.DOI: 10.3969/j.issn.16740696.2017.02.02

• Bridge & Tunnel Engineering • Previous Articles Next Articles

Hollow Cable Shape Analysis of Suspension Bridge with Spatial Cable Plane

ZHANG Yongshui, WU Zhangxu, FENG Wei

(School of Civil Engineering, Chongqing Jiaotong University, Chongqing 400074, P.R.China)

Received:2016-01-03 Revised:2016-03-12 Online:2017-02-20 Published:2017-02-28
Contact: 吴章旭（1992—），男，重庆人，硕士研究生，主要从事桥梁工程控制理论与智能监控技术工作。Email:13883200742@163.com。

空间索面悬索桥空缆线形分析

张永水，吴章旭，冯伟

(重庆交通大学土木工程学院，重庆 400074)

作者简介:第一作者：张永水（1965—），男，山西临汾人，教授，主要从事桥梁工程控制理论与智能监控技术工作。Email:zhang_yongshui@163.com。
基金资助:
重庆市研究生科研创新项目（CYS16184）

Abstract

Abstract: Spatial cables suspension with saddle curve has a great effect on the hollow cable shape analysis, while still analysis hollow cable shape is obtained by using the virtual focus method will be inaccurate results. Two kinds of methods were adopted to analyze the hollow cable shape with saddle effect:analytic iteration method on the saddle curve wasused to find point of tangency in analysis empty cable shape. Based on the ANSYS finite element software accurate simulation of the contact relationship of main cable and saddle was made to analysis of hollow cable shape. The calculation results of the two methods were completely consistent, both can be used as suspension hollow cable shape with spatial cables calculation method.

Key words: bridge engineering, spatial cable plane, saddle curve, hollow cable shape, analytical method, finite element

摘要： 空间索面悬索桥的鞍座曲线对空缆线形分析有较大的影响，若还是采用虚焦点法分析空缆线形将会得到不准确的结果。采用两种方法分析空缆线形的鞍座影响：解析迭代法在鞍座曲线上找切点分析空缆线形；基于ANSYS有限元软件准确模拟主缆与鞍座的接触关系分析空缆线形。两种方法的计算结果完全一致，均可作为空间索面悬索桥空缆线形的计算方法。

关键词: 桥梁工程, 空间索面, 鞍座曲线, 空缆线形, 解析法, 有限元

CLC Number:

U448.25

ZHANG Yongshui, WU Zhangxu, FENG Wei. Hollow Cable Shape Analysis of Suspension Bridge with Spatial Cable Plane[J]. Journal of Chongqing Jiaotong University(Natural Science), 2017, 36(2): 7-10.

张永水，吴章旭，冯伟. 空间索面悬索桥空缆线形分析[J]. 重庆交通大学学报（自然科学版）, 2017, 36(2): 7-10.

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Hollow Cable Shape Analysis of Suspension Bridge with Spatial Cable Plane

空间索面悬索桥空缆线形分析

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