| 英文摘要 |
This study aimed to validate and improve the damage evaluation techniques for structural foundation based on vibration measurement proposed last year, including the data processing and the damage quantification. A series of shaking table tests on a pier specimen with exposed foundation using the large shear box were conducted at NCREE. During these tests, ambient vibration measurements were performed on the specimen in various foundation exposure conditions prior and posterior to the excitation to investigate the influences of foundation exposure and the earthquake motion on the vibration characteristics of the pier-soil system and to verify the damage quantification methods. Moreover, field vibration measurements were made at the Shuangyuan Bridge and at the Wanda Bridge in Taiwan to examine the effects of foundation retrofit and foundation exposure on the vibration behavior of bridge superstructures. |
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