摘要
结合工程实例,分析了基于频率法考虑抗弯刚度对拱桥吊杆索力测试的影响,并采用分级张拉标定吊杆索力的方式减小索力测定过程中的偶然误差,使索力测试结果更为准确。论文提出的考虑抗弯刚度的拱桥吊杆索力测试方法可为同类工程提供参考。
The effects of flexural rigidity to the suspender tension measuring method based on frequency are analyzed in this paper through an engineering example.An improved testing method is proposed,which using the means of tensioning the suspenders by steps to get the coefficients to reduce the accidental error during the measurement process.Finally,the experience of measurement is summarized,which provides a reference to the similar engineering.
引文
[1]吴康雄,刘克明,杨金喜.基于频率法的索力测量系统[J].中国公路学报,2006,19(2):62-65.
[2]毛亚娜,刘世忠,叶丹.基于频率法对系杆拱桥吊杆索力测试的分析[J].兰州交通大学学报,2010,29(1):124-128.
[3]周先雁,王智丰,冯新.基于频率法的斜拉索索力测试研究[J].中南林业科技大学学报,2009,29(2):102-103.
[4]魏建东.索力测定常用公式精度分析[J].公路交通科技,2004,21(2):53-55.
[5]徐郁峰,苏成,陈兆栓,郭奋涛.频率法索力测定的参数灵敏性概念分布[J].中外公路,2010,30(4):132-135.
[6]李国豪.桥梁结构稳定与振动[M].北京:中国铁道出版社,1992.