Abstract:Taking into account the new construction technique and complex anchorage, The proposed method takes the tension force, flexural rigidity and length as unknown parameters, analyzes the sensitivity of parameters to natural frequencies. The algorithm based on sensitivity-updating is able to simultaneously identify the tension force, flexural rigidity and length. Next, the method is applied to four different hanger rods system, and it is approved that the proposed method not only has high accuracy, but also be applicable to the rods with high bending stiffness. At last, a testing on a CFST tied arch bridge proved the method is field applicable.
陈彦江;程建旗;闫维明;何浩祥;李勇. 基于参数灵敏度分析的吊杆索力识别[J]. , 2011, 30(7): 256-260.
Chen Yan-jiang; Cheng Jian-qi; Yan Wei-ming; He Hao-xiang; Li Yong. Cable Force Detection Based on Variable Sensitivity Analysis. , 2011, 30(7): 256-260.