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9 April 2009 Health monitoring data analysis and comparison of prototype and laboratorial model for long-span cable-stayed bridge
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Abstract
Since 2004, Shandong Binzhou Yellow River highway bridge health monitoring (SHM) system has started to operate. Abundance data has been acquired during these years. To make full use of these data, a 1/40 scale laboratorial model has been built based on the design information of Shandong Binzhou Yellow River highway bridge. And a health monitoring system of the laboratorial model, which included loading system, local response monitoring subsystem and global response monitoring subsystem, has been designed and implemented. The dynamic performance of bridge model and prototype has been compared and the error analysis has been provided also. The numeric simulation of cable damage localization utilizing damage location vectors (DLVs) has been demonstrated. And the results indicated that using DLVs to localize the cable damage is feasible and accurate. The goal of these efforts is to utilize the convenience of the laboratorial environment to obtain the structural information in ideal state which is hard to get in field.
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Ou Yang and Jinping Ou "Health monitoring data analysis and comparison of prototype and laboratorial model for long-span cable-stayed bridge", Proc. SPIE 7295, Health Monitoring of Structural and Biological Systems 2009, 72952M (9 April 2009); https://doi.org/10.1117/12.817275
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