[1]诸葛萍,强士中,任伟平,等.碳纤维主缆鞍座处抗滑移试验[J].深圳大学学报理工版,2011,28(No.5(377-470)):395-399.
 ZHUGE Ping,QIANG Shi-zhong,REN Wei-ping,et al.Experiment of slip behavior of CFRP cable against saddle[J].Journal of Shenzhen University Science and Engineering,2011,28(No.5(377-470)):395-399.
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碳纤维主缆鞍座处抗滑移试验()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第28卷
期数:
2011年No.5(377-470)
页码:
395-399
栏目:
土木建筑工程
出版日期:
2011-09-20

文章信息/Info

Title:
Experiment of slip behavior of CFRP cable against saddle
文章编号:
1000-2618(2011)05-0395-05
作者:
诸葛萍1强士中1任伟平1刘明虎2
1)西南交通大学土木学院,成都 610031
2)中交公路规划设计院有限公司,北京 100010
Author(s):
ZHUGE Ping1QIANG Shi-zhong1REN Wei-ping1and LIU Ming-hu2
1)School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, P.R.China
2)CCCC Highway Consultants CO.,Ltd., Beijing 100010, P.R.China
关键词:
桥梁工程悬索桥鞍座摩擦系数抗滑移试验碳纤维增强复合材料主缆
Keywords:
bridge engineeringsuspension bridgesaddlefrictional coefficientslip resistance experimentcarbon fiber reinforced plasticsmain cable
分类号:
U 448.25
文献标志码:
A
摘要:
为了解悬索桥碳纤维增强复合材料(carbon fiber reinforced plastic,CFRP)主缆在鞍座处的抗滑移性能,对CFRP丝-鞍座界面的摩擦系数进行实测,结合实桥分析了多种鞍座两端CFRP主缆轴向拉力比对应的抗滑稳定安全系数.研究表明,CFRP主缆-鞍座界面的摩擦系数与界面压力无关;CFRP丝表面形式对摩擦系数有较大影响,微压纹单丝在鞍座处摩擦系数超过0.496;实桥中,当鞍座两端主缆轴向拉力比在1.02~1.08时,CFRP主缆鞍座处抗滑稳定安全系数大于4.7.
Abstract:
 In order to understand the slip behavior between carbon fiber reinforced plastic (CFRP) main cable and saddle of suspension bridges, two methods of computing the frictional coefficient of CFRP wire-saddle were analyzed, on the assumption that the relationship between the frictional coefficient and pressure is linear.The frictional coefficient of CFRP wire-saddle was tested as compared with the computing method.The anti-slip behavior between CFRP main cable and saddle was analyzed under various axial loading ratio (Sb) of the cable at two sides of saddle.Results show that the pressure has no effect on the frictional coefficient, the surface conditions of the CFRP wires have a great effect on the frictional coefficient, and the frictional coefficient between spirally indented CFRP wires and saddle is more than 0.496.The anti-slip safety factor of CFRP cable-saddle is over 4.7 when the Sb is between 1.02 and 1.08.

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备注/Memo

备注/Memo:
收稿日期:2010-06-08;修回日期:2011-03-01
基金项目:国家高新技术研究发展计划基金资助项目(2008AA11Z101)
作者简介:诸葛萍(1982-),男(汉族),浙江省瑞安市人,西南交通大学博士研究生.E-mail:zhuge.ping@163.com
通讯作者:强士中(1941-),男(汉族),西南交通大学教授、博士生导师.E-mail:qiangshizhong@163.com
更新日期/Last Update: 2011-09-22