Determination of Friction Coefficients between Steel Wires in Stay Cables

doi:10.3969/j.issn.1674-0696.2011.02.03

Journal of Chongqing Jiaotong University(Natural Science) ›› 2011, Vol. 30 ›› Issue (2): 196-199.DOI: 10.3969/j.issn.1674-0696.2011.02.03

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Determination of Friction Coefficients between Steel Wires in Stay Cables

LI Hong¹, ², ZHENG Gang², CHEN Can¹, ²

1.Department of Civil Engineering&Architecture, Chongqing Jiaotong University, Chongqing 400074, China;2.China Merchants Chongqing Communications Research&Design Institute Co.,Ltd., Chongqing 400067, China

Received:2010-12-30 Revised:2011-01-11 Online:2011-04-15 Published:2015-03-12

斜拉索内平行钢丝间摩擦系数的确定

李红¹，²，郑罡²，陈璨¹，²

1.重庆交通大学土木建筑学院，重庆400074; 2.招商局重庆交通科研设计院有限公司，重庆400067

作者简介:李红(1982 — )，女，内蒙古包头市人，硕士研究生，主要从事斜拉索局部弯曲应力方面的研究。E-mail:hongli_1129@163.com。
基金资助:
国家自然科学基金项目(50878220);重庆市自然科学基金项目(CSTC,2008BA6039);交通运输部西部交通建设科技项目 (200731882233)

Abstract

Abstract: A ccurate identification of friction coefficients between steel wires accurately is one of the prerequisites for analyzing the local bending stresses in stay cables. Based on the friction theory, external load, membranes on metal surface and working condition, amethod of testing friction coefficients of high streng thgalvanized wires was introduced which provided reliable basis for analyzing the relationship among wires in stay cable.

Key words: friction coefficient, testing method, high strength galvanized wires

摘要： 准确识别斜拉索内平行钢丝间的摩擦系数值是确定拉索局部弯曲应力大小的必要条件之一。在摩擦理论的基础上,考虑外荷载、金属表面膜、工况等影响摩擦系数大小的因素,提出了试验室测定和进一步修正镀锌高强钢丝间摩擦系数的方法,为进一步分析斜拉索内钢丝间联合工作情况提供了较为可靠的试验依据。

关键词: 摩擦系数, 测试方法, 镀锌高强钢丝

CLC Number:

U448.38

LI Hong, ZHENG Gang, CHEN Can. Determination of Friction Coefficients between Steel Wires in Stay Cables[J]. Journal of Chongqing Jiaotong University(Natural Science), 2011, 30(2): 196-199.

李红，郑罡，陈璨，. 斜拉索内平行钢丝间摩擦系数的确定[J]. 重庆交通大学学报（自然科学版）, 2011, 30(2): 196-199.

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Determination of Friction Coefficients between Steel Wires in Stay Cables

斜拉索内平行钢丝间摩擦系数的确定

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