| 斜拉索内平行钢丝间摩擦系数的确定 |
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| 引用本文： | 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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| 作者姓名： | 李红 郑罡 陈璨 |
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| 作者单位： | 1. 重庆交通大学土木建筑学院,重庆,400074;招商局重庆交通科研设计院有限公司,重庆,400067
2. 招商局重庆交通科研设计院有限公司,重庆,400067 |
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| 基金项目： | 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) |
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| 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.
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| 关 键 词： | 摩擦系数 测试方法 镀锌高强钢丝 |
Determination of Friction Coefficients between Steel Wires in Stay Cables |
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| LI Hong,ZHENG Gang,CHEN Can. Determination of Friction Coefficients between Steel Wires in Stay Cables[J]. Journal of Chongqing Jiaotong University, 2011, 30(2): 196-199 |
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| Authors: | LI Hong ZHENG Gang CHEN Can |
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| Affiliation: | 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) |
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| Abstract: | Accurate 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,a method of testing friction coefficients of high strength galvanized wires was introduced which provided reliable basis for analyzing the relationship among wires in stay cable. |
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| Keywords: | friction coefficient testing method high strength galvanized wires |
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