北京交通大学学报2011，Vol.35Issue(1)：89-91,102,4.DOI:CNKI:11-5258/U.20101109.1456.000
基于参数更新的体外索张力识别方法
Tension force identification of external prestressing cables based on parameters updating method
摘要
Abstract
Based on finite element model (FEM) parameters updating theories, a new method to estimate the tension force of the external prestressing cables is presented through measuring natural frequencies. The objective of the model updating is to reduce the difference between the calculated and the measured frequencies, and the tension force are identified. The results of the experiments indicate that the proposed method can identify tension force accurately.关键词
桥梁工程/体外索/自振频率/张力/参数更新Key words
bridge engineering/ external prestressing cables/ natural frequency/ tension force/ parameters updating分类
交通工程引用本文复制引用
王建民,王国亮,聂建国..基于参数更新的体外索张力识别方法[J].北京交通大学学报,2011,35(1):89-91,102,4.基金项目
交通部西部交通建设科技项目资助(07-22140121-02-003) （07-22140121-02-003）
