原文传递
Parameter Identification of Main Cables of Cable Suspension Structures Based on Vibration Monitoring of Cable: Methodology and Experimental Verification
| 题名： | Parameter Identification of Main Cables of Cable Suspension Structures Based on Vibration Monitoring of Cable: Methodology and Experimental Verification |
| 正文语种： | eng |
| 作者： | Xu, Bin;Dan, Danhui;Han, Fei;Zou, Yiqing |
| 作者单位： | Tongji Univ Dept Bridge Engn Sch Civil Engn 1239 Siping Rd Shanghai 200092 Peoples R China;Tongji Univ Minist Educ Key Lab Performance Evolut & Control Engn Struct Dept Bridge Engn Sch Civil Engn 1239 Siping Rd Shanghai 200092 Peoples R China;Tongji Univ Dept Bridge Engn Sch Civil Engn 1239 Siping Rd Shanghai 200092 Peoples R China;Liuzhou OVM Machinery Co Ltd Yanghui Rd Yanghe Ind Pk Liuzhou 545006 Peoples R China |
| 关键词： | Cable suspension structure;Dynamic stiffness;Flexure stiffness;Cable tension;Analysis characteristic function;Peak-ridges method |
| 摘要： | This paper focus on parameter identification of the main cables of cable suspension structures. Based on the dynamic stiffness theory, an inverse analysis characteristic function (IAC function) for identifying the main cable parameters (such as cable tension, moment of inertia, cable length, and mass per unit length) is established. This function allows for the consideration of cable flexural rigidity, sag, inclination, and additional lumped masses sustained by the suspender. The effects of the cable tension and moment of inertia on the IAC function are investigated via a numerical method. On this basis, a method for identifying the two parameters based on the peak-ridges of the IAC function is proposed. The method comprehensively utilizes measured multimode frequencies. It is unnecessary to determine the fundamental frequency and frequency order. A 20-m real cable test with suspended lumped masses is conducted to verify the correctness of the proposed methods. With the increase in the weight of suspended lumped masses, the advantages of the proposed method are more obvious. For operational cable tension less than 50% of the cable breaking tension, the cable moment of inertia is less affected by suspended lumped masses. (C) 2021 American Society of Civil Engineers. |
| 出版年： | 2021 |
| 期刊名称： | Journal of structural engineering |
| 卷： | 147 |
| 期： | 4 |
相关文献
- Real-Time Output-Only Identification of Time-Varying Cable Tension from Accelerations via Complexity Pursuit
- Ironton-Russell Bridge: Application of Vibration-Based Cable Tension Estimation
- FORENSIC ENGINEERING OF CABLE BRIDGES-AN INNOVATIVE APPROACH -A WAY FORWARD
- Dynamic Characterization of a Soft Elastomeric Capacitor for Structural Health Monitoring
- Enabling Network-Wide Tolling-Strategy Assessment via Customized Route-Choice Simulation Module
- Study of re-coating specification for corrosion protection of main cables of suspension
检索历史
应用推荐
